# Customer.io vs OneSignal Comparison
---
## AI Generated Summary
- **G2 reviewers report** that Customer.io excels in user-friendliness, with many users appreciating its intuitive interface that allows non-technical users to create campaigns effortlessly. One user highlighted the effectiveness of the AI agent in quickly setting up segments and launching campaigns.
- **Users say** that OneSignal stands out for its robust push notification management, with reviewers noting its reliability and ease of setup. One user mentioned that they have never experienced an outage in over four years of use, making it a dependable choice for communication needs.
- **Reviewers mention** that Customer.io offers powerful automation and segmentation features, which are particularly beneficial for creating personalized customer journeys. Users have praised the platform for its ability to integrate seamlessly with Salesforce, enhancing their email campaign execution.
- **According to verified reviews** , OneSignal&#39;s extensive API is a significant advantage, allowing users to build custom notification triggers directly into their software. This flexibility is a key reason why many users prefer OneSignal for their notification needs.
- **G2 reviewers highlight** that while Customer.io has a higher satisfaction score overall, OneSignal&#39;s ease of use and setup is notably superior, with users appreciating its straightforward onboarding process and management capabilities for push notifications.
- **Users report** that Customer.io&#39;s email campaign features, such as building and personalizing emails, are highly rated, with one user noting the ease of visualizing and understanding campaigns. In contrast, OneSignal&#39;s strengths lie in its mobile optimization and push notification capabilities, which users find highly effective for engagement.



---
## Frequently Asked Questions

### What is the difference between Customer.io vs OneSignal?

OneSignal stands out for higher reviewer ratings and ease of use, while Customer.io is recognized for its automation capabilities and support.

| [Customer.io](https://www.g2.com/products/customer-io/reviews) | [OneSignal](https://www.g2.com/products/onesignal/reviews) |
| --- | --- |
| 4.4/5 (898 reviews) | 4.7/5 (1228 reviews) |
| Small-Business | Small-Business |
| 8.0 | 8.9 |
| 8.6 | 9.0 |
| Automation (152 all-time mentions) | Ease of Use (reviewers highlight intuitive dashboard and setup) |



### How do the pricing models of Customer.io and OneSignal compare?

OneSignal is rated higher for value, with reviewers expressing greater satisfaction with its pricing compared to Customer.io.

- **Customer.io:** In recent reviews, several reviewers cite a steep pricing curve and escalating costs as their main concern, especially as database size and send volumes increase.
- **OneSignal:** Reviewers consistently highlight the generous free tier and strong value, noting that significant utility is available before any payment is required.
- **Switching reasons:** Multiple reviewers mention switching to OneSignal for its lower cost and more accessible pricing structure, particularly for small teams and startups.



### What are the best alternatives to Customer.io and OneSignal?

The top three alternatives to Customer.io and OneSignal are Braze, Iterable, and MoEngage.

| Product | G2 Rating (reviews) | Largest Segment | Pricing Insight | Top Reviewer-Cited Strength |
| --- | --- | --- | --- | --- |
| [Customer.io](https://www.g2.com/products/customer-io/reviews) | 4.4/5 (898 reviews) | Small-Business | Reviewers cite a steep pricing curve as a trade-off | Automation (152 all-time mentions) |
| [OneSignal](https://www.g2.com/products/onesignal/reviews) | 4.7/5 (1228 reviews) | Small-Business | Reviewers highlight a generous free tier and strong value | Ease of Use (reviewers highlight intuitive dashboard and setup) |
| [Braze](https://www.g2.com/products/braze/reviews) | 4.5/5 (1689 reviews) | Mid-Market | — | — |
| [Iterable](https://www.g2.com/products/iterable/reviews) | 4.4/5 (825 reviews) | Mid-Market | — | — |
| [MoEngage](https://www.g2.com/products/moengage/reviews) | 4.5/5 (525 reviews) | Mid-Market | — | — |



### Which Marketing Automation features should I prioritize when comparing Customer.io and OneSignal?

Buyers comparing Customer.io and OneSignal should prioritize automation, integrations, segmentation, reporting, and multichannel messaging.

- **Automation:** Customer.io is cited for automation in 152 all-time reviews; OneSignal reviewers highlight automation features in recent feedback.
- **Integrations:** Customer.io has 67 all-time mentions for easy integrations; OneSignal offers unique integrations and an activity dashboard not present in Customer.io.
- **Segmentation:** Customer.io&#39;s audience targeting is cited in 26 all-time reviews; OneSignal reviewers highlight precise targeting and segmentation tools.
- **Reporting:** Customer.io&#39;s reporting features are frequently mentioned, though some reviewers seek more customization; OneSignal reviewers note real-time analytics and campaign performance tracking.
- **Multichannel Messaging:** Both products support email, push, and SMS, but Customer.io offers event/webinar marketing and landing pages, while OneSignal emphasizes push notification delivery and scheduling.



### What are the pros and cons of Customer.io vs OneSignal?

OneSignal&#39;s headline strength is ease of use, while Customer.io is recognized for automation and workflow flexibility.

- **Customer.io strengths:** Automation (152 all-time mentions), ease of use (227 all-time mentions), helpful support (127 all-time mentions), and flexible customer journeys.
- **Customer.io trade-offs:** 35 all-time mentions of poor customer support, 33 all-time mentions of navigation difficulty, and frequent reviewer concerns about steep pricing as database size grows.
- **OneSignal strengths:** Reviewers highlight intuitive dashboard, simple setup, generous free tier, and reliable push notification delivery.
- **OneSignal trade-offs:** Reviewers note that advanced features and analytics can be complex to master, and some premium scheduling and automation features require paid plans.



### Is Customer.io or OneSignal better for small businesses?

OneSignal is the better fit for small businesses, with higher reviewer satisfaction and a strong value proposition for this segment.

- **Customer.io:** Largest reviewer segment is Small-Business; reviewers appreciate automation and support but frequently cite pricing as a challenge for startups and small teams.
- **OneSignal:** Largest reviewer segment is Small-Business; reviewers consistently praise the free tier, ease of use, and rapid setup as ideal for small business needs.



### Which Marketing Automation platform has better integrations?

OneSignal is favored for integrations, offering unique features and broader integration capabilities.

- **Customer.io:** Front is mentioned in recent reviews, with 67 all-time mentions for easy integrations.
- **OneSignal:** Reviewers highlight the platform&#39;s extensive API, activity dashboard, and integrations as key differentiators.



### How do Customer.io and OneSignal compare on customer support?

OneSignal has a higher Quality of Support score, but the difference is below the materiality threshold, indicating near-parity in reviewer satisfaction.

- **Customer.io:** 125 all-time mentions for helpful customer support, with reviewers noting responsive and knowledgeable assistance.
- **OneSignal:** Reviewers describe support as solid, though some mention slower response times for ticket resolution, especially on the free plan.



### Which is easier to implement, Customer.io or OneSignal?

OneSignal is rated higher for Ease of Setup, with reviewers describing faster and simpler implementation experiences.

- **Customer.io:** Reviewers report a manageable learning curve for basic setup, but note that advanced automation and integrations can be complex and sometimes require external help.
- **OneSignal:** Reviewers consistently highlight rapid setup, with many stating they were up and running in less than a day and found the dashboard intuitive for non-technical users.



### Which product has better Email?

Customer.io is the stronger choice for Email, with more extensive reviewer recognition and feature depth.

- **Customer.io:** Email is the most frequently mentioned feature, with reviewers citing robust email campaign management, advanced segmentation, and automation; 227 all-time mentions for ease of use and 152 for automation.
- **OneSignal:** Reviewers note reliable email delivery and integration with push and SMS, but email is less frequently highlighted as a core strength compared to Customer.io.



| | Customer.io | OneSignal | 
|---|---|---|
| **Star Rating** | 4.4 out of 5 | 4.7 out of 5 | 
| **Total Reviews** | 902 | 1,227 | 
| **Largest Market Segment** | Small-Business (57.9% of reviews) | Small-Business (65.3% of reviews) | 
| **Entry Level Price** | Starting at $100.00 Per Month | Free | 

---
## Top Pros & Cons

### Customer.io

Pros:
- Ease of Use (227 reviews)
- Automation (158 reviews)

Cons:
- Learning Curve (98 reviews)
- Missing Features (78 reviews)

### OneSignal

Pros:
- Ease of Use (180 reviews)
- Notifications (141 reviews)

Cons:
- Missing Features (44 reviews)
- Learning Curve (42 reviews)

---
## Ratings Comparison
| Rating | Customer.io | OneSignal | 
|---|---|---|
  | **Meets Requirements** | 8.6 (713 reviews) | 9.0 (648 reviews) | 
  | **Ease of Use** | 8.3 (738 reviews) | 9.3 (1048 reviews) | 
  | **Ease of Setup** | 8.0 (525 reviews) | 8.9 (553 reviews) | 
  | **Ease of Admin** | 8.6 (302 reviews) | 9.0 (378 reviews) | 
  | **Quality of Support** | 8.6 (639 reviews) | 9.0 (598 reviews) | 
  | **Has the product been a good partner in doing business?** | 9.0 (301 reviews) | 9.1 (354 reviews) | 
  | **Product Direction (% positive)** | 9.1 (698 reviews) | 9.0 (628 reviews) | 

---
## Pricing

### Customer.io

#### Entry-Level Pricing

Plan: Essentials

Price: Starting at $100.00 Per Month

Description: For small companies who are gaining momentum.

Key Features:
- Send emails, push, in-app, SMS, webhooks
-  Track custom events and attributes
- Visual workflow builder

[Browse all 3 editions](https://www.g2.com/products/customer-io/pricing)

#### Free Trial

Yes

### OneSignal

#### Entry-Level Pricing

Plan: Free

Price: Free

Description: For individuals and organizations just starting out

Key Features:
- Access to all channels 
- Basic automation &amp; analytics
- OneSignal AI &amp; MCP

[Browse all 4 editions](https://www.g2.com/products/onesignal/pricing)

#### Free Trial

Yes

---
## Features Comparison By Category

### Marketing Automation

| Product | Score | Reviews |
|---|---|---|
| **Customer.io** | 7.6/10 | 578 |
| **OneSignal** | 8.5/10 | 148 |

#### Email Marketing

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Building and Personalizing Emails** | 8.8 (462 reviews) ✓ Verified | 8.6 (98 reviews) | 
| **Sending Outbound Emails** | 8.8 (438 reviews) ✓ Verified | 8.9 (96 reviews) | 
| **Manage Email Deliverability** | 8.4 (402 reviews) ✓ Verified | 8.8 (95 reviews) | 
| **Automated Email Responses** | 8.4 (398 reviews) ✓ Verified | 8.5 (90 reviews) | 

#### Online Marketing

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Landing Pages and Forms** | 6.3 (332 reviews) | Feature Not Available | 
| **Dynamic Content** | 8.0 (366 reviews) ✓ Verified | 8.7 (95 reviews) | 
| **A/B Testing** | 8.3 (390 reviews) ✓ Verified | 8.6 (98 reviews) | 
| **Mobile Optimized** | 7.9 (362 reviews) ✓ Verified | 9.1 (95 reviews) | 
| **Conversion Rate Optimization** | Not enough data | Not enough data | 
| **Multivariate Testing** | Not enough data | Not enough data | 
| **Customizable Forms** | Not enough data | Not enough data | 

#### Lead Management

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Marketing Lead Database** | 7.4 (340 reviews) ✓ Verified | Feature Not Available | 
| **Data Quality Management** | 7.6 (332 reviews) | 8.5 (90 reviews) | 
| **Segmentation** | 8.6 (415 reviews) ✓ Verified | 9.2 (96 reviews) | 
| **Lead Scoring and Grading** | 6.8 (311 reviews) | Feature Not Available | 
| **Lead Nurturing** | 7.7 (340 reviews) ✓ Verified | 8.7 (91 reviews) | 
| **Email Tracking** | 7.4 (337 reviews) ✓ Verified | 8.5 (92 reviews) | 
| **Automated Alerts and Tasks** | 7.3 (316 reviews) | 8.7 (95 reviews) | 
| **CRM Lead Integration** | 7.3 (329 reviews) ✓ Verified | 8.4 (85 reviews) | 
| **Third-Party Integrations** | Not enough data | Not enough data | 
| **Real-Time Data** | Not enough data | Not enough data | 
| **Social Marketing** | Not enough data | Not enough data | 
| **Email Marketing** | Not enough data | Not enough data | 
| **Multi-Channel Marketing** | Not enough data | Not enough data | 
| **Conversion Tracking** | Not enough data | Not enough data | 
| **ROI Tracking** | Not enough data | Not enough data | 
| **Activity Tracking** | Not enough data | Not enough data | 
| **Engagement Tracking** | Not enough data | Not enough data | 
| **Campaign Segmentation** | Not enough data | Not enough data | 
| **Search Marketing** | Not enough data | Not enough data | 
| **SMS Marketing** | Not enough data | Not enough data | 
| **Website Visitor Tracking** | Not enough data | Not enough data | 

#### Campaign Management

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Program Management** | 7.7 (346 reviews) | Feature Not Available | 
| **Event / Webinar Marketing** | 7.0 (322 reviews) | Feature Not Available | 
| **Campaign Management** | Not enough data | Not enough data | 
| **Workflow Management** | Not enough data | Not enough data | 
| **Template Management** | Not enough data | Not enough data | 

#### Social

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Social Sharing** | 6.6 (307 reviews) | 8.3 (88 reviews) | 
| **Drip Campaigns** | Not enough data | Not enough data | 
| **Multi-Campaign** | Not enough data | Not enough data | 

#### Reporting &amp; Analytics

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Basic Reporting** | 7.8 (402 reviews) ✓ Verified | 8.6 (101 reviews) | 
| **Web Analytics** | 6.9 (333 reviews) ✓ Verified | 8.5 (88 reviews) | 
| **ROI Analytics** | 6.5 (321 reviews) | 8.1 (87 reviews) | 
| **Revenue Analytics** | 6.3 (311 reviews) | 8.1 (85 reviews) | 
| **Behavior Analytics** | Not enough data | Not enough data | 
| **Real-Time Analytics** | Not enough data | Not enough data | 
| **Campaign Analytics** | Not enough data | Not enough data | 
| **Website Analytics** | Not enough data | Not enough data | 
| **Visual Analytics** | Not enough data | Not enough data | 
| **Sales Analytics** | Not enough data | Not enough data | 

#### Platform

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Customization ** | 8.3 (388 reviews) ✓ Verified | 8.6 (97 reviews) | 
| **Workflow Capability** | 8.6 (414 reviews) ✓ Verified | 8.5 (91 reviews) | 
| **User, Role, and Access Management** | 8.5 (362 reviews) ✓ Verified | 8.3 (100 reviews) | 
| **Internationalization** | 7.7 (333 reviews) ✓ Verified | 8.2 (61 reviews) | 
| **Sandbox / Test Environments** | 7.7 (351 reviews) ✓ Verified | 8.2 (63 reviews) | 
| **Performance and Reliability** | 8.7 (386 reviews) ✓ Verified | 8.9 (100 reviews) | 
| **Output Document Generation** | 7.3 (315 reviews) ✓ Verified | 8.0 (85 reviews) | 
| **Lead Generation** | Not enough data | Not enough data | 
| **Content Management** | Not enough data | Not enough data | 
| **Lead Management** | Not enough data | Not enough data | 
| **List Management** | Not enough data | Not enough data | 
| **Mobile Access** | Not enough data | Not enough data | 

#### Agentic AI - Marketing Automation

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Autonomous Task Execution** | 6.5 (78 reviews) | Not enough data | 
| **Multi-step Planning** | 6.6 (71 reviews) | Not enough data | 
| **Cross-system Integration** | 7.0 (68 reviews) | Not enough data | 
| **Adaptive Learning** | 6.4 (66 reviews) | Not enough data | 
| **Proactive Assistance** | 6.4 (71 reviews) | Not enough data | 
| **Decision Making** | 6.4 (68 reviews) | Not enough data | 
| **Campaign Planning** | Not enough data | Not enough data | 

#### Integration

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Data Import &amp; Export Tools** | 8.3 (379 reviews) ✓ Verified | 8.2 (91 reviews) | 
| **Integration APIs** | 8.3 (397 reviews) ✓ Verified | 8.6 (99 reviews) | 
| **Breadth of Partner Applications** | 7.6 (346 reviews) ✓ Verified | 8.1 (89 reviews) | 
| **Social Media Integration** | Not enough data | Not enough data | 

#### Additional Functionality

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Social Promotion** | Not enough data | Not enough data | 
| **Customizable Branding** | Not enough data | Not enough data | 
| **Monitoring** | Not enough data | Not enough data | 
| **CRM** | Not enough data | Not enough data | 
| **Reporting &amp; Statistics** | Not enough data | Not enough data | 
| **Live Chat** | Not enough data | Not enough data | 
| **Customer Journey Mapping** | Not enough data | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 
| **Mass Texting** | Not enough data | Not enough data | 
| **Drag &amp; Drop** | Not enough data | Not enough data | 
| **Email Templates** | Not enough data | Not enough data | 
| **Automated Scheduling** | Not enough data | Not enough data | 
| **Campaign Scheduling** | Not enough data | Not enough data | 
| **AI Copilot** | Not enough data | Not enough data | 
| **Social Media Monitoring** | Not enough data | Not enough data | 
| **Activity Dashboard** | Not enough data | Not enough data | 
| **Lead Capture** | Not enough data | Not enough data | 
| **Customizable Templates** | Not enough data | Not enough data | 
| **Marketing Automation** | Not enough data | Not enough data | 
| **Event Triggered Actions** | Not enough data | Not enough data | 
| **Marketing Calendar** | Not enough data | Not enough data | 
| **Customizable CTAs** | Not enough data | Not enough data | 
| **Multi-Channel Communication** | Not enough data | Not enough data | 
| **Data Import/Export** | Not enough data | Not enough data | 
| **Lead Qualification** | Not enough data | Not enough data | 

### Transactional Email

| Product | Score | Reviews |
|---|---|---|
| **Customer.io** | 8.1/10 | 287 |
| **OneSignal** | N/A | N/A |

#### Administration

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Template Creation** | 8.1 (266 reviews) | Not enough data | 
| **Preset Template Availability** | 7.4 (234 reviews) | Not enough data | 
| **Custom Unsubscribe** | 8.1 (251 reviews) | Not enough data | 
| **Email Segmentation** | 8.9 (267 reviews) | Not enough data | 
| **Detailed Server Logs** | 7.7 (236 reviews) | Not enough data | 
| **Alerts/Notifications** | 7.8 (243 reviews) | Not enough data | 
| **Drip Campaigns** | Not enough data | Not enough data | 
| **Customer Segmentation** | Not enough data | Not enough data | 

#### Integrations

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Webhooks** | 8.6 (238 reviews) | Not enough data | 
| **Event Tracking API** | 8.5 (241 reviews) | Not enough data | 
| **Mail Send API** | 8.4 (205 reviews) | Not enough data | 
| **Spam Filter Testing** | 7.2 (178 reviews) | Not enough data | 
| **Activity Dashboard** | Not enough data | Not enough data | 
| **Activity Tracking** | Not enough data | Not enough data | 
| **A/B Testing** | Not enough data | Not enough data | 

#### Platform

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Custom Tracking Domain** | 8.2 (210 reviews) | Not enough data | 
| **Multiple Domains** | 8.2 (205 reviews) | Not enough data | 
| **Dedicated IP** | 7.9 (200 reviews) | Not enough data | 
| **Documentation** | 8.2 (240 reviews) ✓ Verified | Not enough data | 
| **Sender Reputation Management** | 7.8 (218 reviews) | Not enough data | 
| **Tracking &amp; Reporting** | 8.2 (244 reviews) | Not enough data | 
| **Enterprise Scalability** | 7.9 (216 reviews) | Not enough data | 
| **Performance and Reliability** | 8.8 (240 reviews) | Not enough data | 
| **Workflow Management** | Not enough data | Not enough data | 
| **List Management** | Not enough data | Not enough data | 
| **Template Management** | Not enough data | Not enough data | 
| **Email Management** | Not enough data | Not enough data | 
| **Subscription Management** | Not enough data | Not enough data | 
| **Click Tracking** | Not enough data | Not enough data | 

#### Additional Functionality

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Third-Party Integrations** | Not enough data | Not enough data | 
| **Customizable Branding** | Not enough data | Not enough data | 
| **Email Monitoring** | Not enough data | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 
| **Mobile Access** | Not enough data | Not enough data | 
| **WYSIWYG Editor** | Not enough data | Not enough data | 
| **Real-Time Data** | Not enough data | Not enough data | 
| **Unsubscribe Database** | Not enough data | Not enough data | 
| **AI Copilot** | Not enough data | Not enough data | 
| **Drag &amp; Drop** | Not enough data | Not enough data | 
| **Geolocation** | Not enough data | Not enough data | 
| **Event Triggered Actions** | Not enough data | Not enough data | 
| **Simple Mail Transfer Protocol (SMTP)** | Not enough data | Not enough data | 
| **Contact Database** | Not enough data | Not enough data | 
| **Campaign Analytics** | Not enough data | Not enough data | 
| **SMS Messaging** | Not enough data | Not enough data | 
| **Customizable Forms** | Not enough data | Not enough data | 
| **Autoresponders** | Not enough data | Not enough data | 
| **Email Marketing** | Not enough data | Not enough data | 
| **Message Personalization** | Not enough data | Not enough data | 
| **Reporting/Analytics** | Not enough data | Not enough data | 
| **Dynamic Content** | Not enough data | Not enough data | 
| **Customizable Fields** | Not enough data | Not enough data | 
| **Campaign Scheduling** | Not enough data | Not enough data | 
| **Email Distribution** | Not enough data | Not enough data | 

### Push Notification

| Product | Score | Reviews |
|---|---|---|
| **Customer.io** | 8.1/10 | 125 |
| **OneSignal** | 8.3/10 | 557 |

#### Campaigns

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Customize** | 8.6 (114 reviews) | 8.9 (465 reviews) | 
| **Scheduling** | 8.7 (111 reviews) | 9.1 (455 reviews) | 
| **Retarget** | 8.3 (106 reviews) | 8.6 (410 reviews) | 
| **Segmentation** | 8.8 (119 reviews) | 8.8 (460 reviews) | 
| **Triggered Notifications** | 8.8 (113 reviews) | 8.8 (448 reviews) | 
| **Customer Segmentation** | Not enough data | Not enough data | 

#### Analytics

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Campaign Performance** | 8.3 (115 reviews) | 8.5 (444 reviews) | 
| **Audience Insights** | 7.6 (106 reviews) | 8.3 (438 reviews) | 
| **Drip Campaigns** | Not enough data | Not enough data | 

#### Optimization

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **A/B Testing** | 8.5 (111 reviews) | 8.4 (385 reviews) | 
| **Personalization** | 8.8 (113 reviews) | 8.6 (424 reviews) | 
| **Rich Notifications** | 8.0 (109 reviews) | 8.8 (431 reviews) | 
| **Integrations** | 8.5 (113 reviews) | 8.7 (424 reviews) | 
| **App Notifications** | Not enough data | Not enough data | 
| **SMS Notifications** | Not enough data | Not enough data | 
| **Web Notifications** | Not enough data | Not enough data | 

#### Agentic AI - Push Notification

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Autonomous Task Execution** | 6.4 (14 reviews) | 6.8 (13 reviews) | 
| **Adaptive Learning** | 6.9 (14 reviews) | 7.1 (13 reviews) | 
| **Proactive Assistance** | 6.5 (14 reviews) | 6.8 (13 reviews) | 
| **AI/Machine Learning** | Not enough data | Not enough data | 

#### Additional Functionality

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Multi-Channel Marketing** | Not enough data | Not enough data | 
| **API** | Not enough data | Not enough data | 
| **Drag &amp; Drop** | Not enough data | Not enough data | 
| **Communication Management** | Not enough data | Not enough data | 
| **Event Triggered Actions** | Not enough data | Not enough data | 
| **Multi-Language** | Not enough data | Not enough data | 
| **Reporting/Analytics** | Not enough data | Not enough data | 
| **Template Management** | Not enough data | Not enough data | 
| **Geotargeting** | Not enough data | Not enough data | 
| **Customer Journey Mapping** | Not enough data | Not enough data | 
| **Subscriber Management** | Not enough data | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 
| **Visual Workflow Management** | Not enough data | Not enough data | 
| **Authentication** | Not enough data | Not enough data | 
| **Conversion Tracking** | Not enough data | Not enough data | 
| **Behavior Tracking** | Not enough data | Not enough data | 
| **Engagement Tracking** | Not enough data | Not enough data | 
| **Contact Management** | Not enough data | Not enough data | 
| **AI Copilot** | Not enough data | Not enough data | 
| **Campaign Management** | Not enough data | Not enough data | 
| **Notification Editor** | Not enough data | Not enough data | 
| **Workflow Automation** | Not enough data | Not enough data | 

### SMS Marketing

| Product | Score | Reviews |
|---|---|---|
| **Customer.io** | 7.4/10 | 95 |
| **OneSignal** | 8.8/10 | 46 |

#### Text Messaging

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Bulk SMS** | 8.5 (85 reviews) | 9.1 (34 reviews) | 
| **Text Scheduler** | 8.3 (79 reviews) | 9.1 (34 reviews) | 
| **Automatic URL Shortening** | 6.8 (74 reviews) | 8.1 (32 reviews) | 
| **MMS Marketing** | 6.5 (76 reviews) | 8.5 (33 reviews) | 
| **Personalization** | 8.7 (86 reviews) | 8.9 (35 reviews) | 
| **Transactional SMS** | 8.2 (78 reviews) | 9.0 (31 reviews) | 
| **Link Shortening** | Not enough data | Not enough data | 
| **SMS Messaging** | Not enough data | Not enough data | 
| **Scheduled Messaging** | Not enough data | Not enough data | 
| **Chat/Messaging** | Not enough data | Not enough data | 
| **2-Way Messaging** | Not enough data | Not enough data | 

#### SMS Platform

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Reporting** | 7.5 (81 reviews) | 8.8 (33 reviews) | 
| **Marketing Automation** | 8.3 (84 reviews) | 8.7 (33 reviews) | 
| **White Label** | 7.2 (72 reviews) | Feature Not Available | 
| **Text-to-Landline** | 6.2 (70 reviews) | Feature Not Available | 
| **Short Codes** | 6.7 (70 reviews) | 8.5 (30 reviews) | 
| **API Integration** | 8.3 (82 reviews) | 9.1 (34 reviews) | 
| **QR Codes** | Not enough data | Not enough data | 

#### Agentic AI - SMS Marketing

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Autonomous Task Execution** | 6.4 (17 reviews) | Not enough data | 
| **Multi-step Planning** | 6.4 (17 reviews) | Not enough data | 
| **Cross-system Integration** | 7.5 (17 reviews) | Not enough data | 
| **Natural Language Interaction** | 7.2 (17 reviews) | Not enough data | 
| **Proactive Assistance** | 7.0 (17 reviews) | Not enough data | 
| **Decision Making** | 6.7 (18 reviews) | Not enough data | 
| **Third-Party Integrations** | Not enough data | Not enough data | 
| **Campaign Planning** | Not enough data | Not enough data | 
| **Multi-Language** | Not enough data | Not enough data | 

#### AI Automation - SMS Marketing

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **AI SMS** | Not enough data | Not enough data | 

#### AI Content Generation - SMS Marketing

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **AI SMS** | Not enough data | Not enough data | 

#### Additional Functionality

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Campaign Scheduling** | Not enough data | Not enough data | 
| **Reputation Management** | Not enough data | Not enough data | 
| **Polls/Voting** | Not enough data | Not enough data | 
| **Compliance Management** | Not enough data | Not enough data | 
| **Customer Segmentation** | Not enough data | Not enough data | 
| **Landing Pages/Web Forms** | Not enough data | Not enough data | 
| **AI Copilot** | Not enough data | Not enough data | 
| **API** | Not enough data | Not enough data | 
| **Text-to-Win** | Not enough data | Not enough data | 
| **Mobile Coupons** | Not enough data | Not enough data | 
| **Natural Language Processing** | Not enough data | Not enough data | 
| **Customizable Templates** | Not enough data | Not enough data | 
| **Drip Campaigns** | Not enough data | Not enough data | 
| **Contact Management** | Not enough data | Not enough data | 
| **Activity Tracking** | Not enough data | Not enough data | 
| **Communication Management** | Not enough data | Not enough data | 
| **Reporting/Analytics** | Not enough data | Not enough data | 
| **Keyword Tracking** | Not enough data | Not enough data | 
| **Multi-Campaign** | Not enough data | Not enough data | 
| **Mass Texting** | Not enough data | Not enough data | 
| **Interaction Tracking** | Not enough data | Not enough data | 
| **Alerts/Notifications** | Not enough data | Not enough data | 
| **Consent Management** | Not enough data | Not enough data | 
| **Engagement Tracking** | Not enough data | Not enough data | 
| **Open Rate Tracking** | Not enough data | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 
| **Automated Responses** | Not enough data | Not enough data | 
| **Reporting &amp; Statistics** | Not enough data | Not enough data | 
| **Templates** | Not enough data | Not enough data | 
| **Survey Builder** | Not enough data | Not enough data | 
| **Contact Database** | Not enough data | Not enough data | 
| **Real-Time Notifications** | Not enough data | Not enough data | 
| **Customizable Fields** | Not enough data | Not enough data | 
| **Reminders** | Not enough data | Not enough data | 
| **Mobile Alerts** | Not enough data | Not enough data | 
| **Automated Scheduling** | Not enough data | Not enough data | 
| **Campaign Management** | Not enough data | Not enough data | 
| **MMS** | Not enough data | Not enough data | 
| **Event Triggered Actions** | Not enough data | Not enough data | 
| **Mobile Keywords** | Not enough data | Not enough data | 
| **Audience Targeting** | Not enough data | Not enough data | 
| **Activity Dashboard** | Not enough data | Not enough data | 
| **Template Management** | Not enough data | Not enough data | 
| **Autoresponders** | Not enough data | Not enough data | 
| **Survey/Poll Management** | Not enough data | Not enough data | 

### Customer Data Platform (CDP)

| Product | Score | Reviews |
|---|---|---|
| **Customer.io** | 7.1/10 | 101 |
| **OneSignal** | N/A | N/A |

#### Data Sourcing

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Data Enrichment** | 7.5 (91 reviews) | Not enough data | 
| **Expandability** | 7.7 (93 reviews) | Not enough data | 
| **Content Marketing** | 7.3 (95 reviews) | Not enough data | 
| **Multiple Devices** | 8.2 (93 reviews) | Not enough data | 
| **Email Marketing** | Not enough data | Not enough data | 
| **Multi-Channel Marketing** | Not enough data | Not enough data | 
| **Real-Time Data** | Not enough data | Not enough data | 

#### Intelligence

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Marketing Metrics** | 7.3 (89 reviews) | Not enough data | 
| **Predictive Modeling** | 5.8 (87 reviews) | Not enough data | 
| **Recommendation Engine** | 5.8 (85 reviews) | Not enough data | 

#### Additional Functionality

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Engagement Tracking** | Not enough data | Not enough data | 
| **Contact Management** | Not enough data | Not enough data | 
| **Customer Journey Mapping** | Not enough data | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 
| **API** | Not enough data | Not enough data | 
| **A/B Testing** | Not enough data | Not enough data | 
| **Lead Generation** | Not enough data | Not enough data | 
| **Data Integration** | Not enough data | Not enough data | 
| **Customer Activity Tracking** | Not enough data | Not enough data | 
| **Activity Dashboard** | Not enough data | Not enough data | 
| **Activity Tracking** | Not enough data | Not enough data | 
| **Campaign Segmentation** | Not enough data | Not enough data | 
| **Lead Capture** | Not enough data | Not enough data | 
| **Contact Database** | Not enough data | Not enough data | 
| **Campaign Management** | Not enough data | Not enough data | 
| **Behavior Tracking** | Not enough data | Not enough data | 
| **Real-Time Analytics** | Not enough data | Not enough data | 
| **Email Management** | Not enough data | Not enough data | 
| **Lead Qualification** | Not enough data | Not enough data | 
| **Reporting &amp; Statistics** | Not enough data | Not enough data | 
| **Template Management** | Not enough data | Not enough data | 
| **Alerts/Notifications** | Not enough data | Not enough data | 
| **Predictive Analytics** | Not enough data | Not enough data | 
| **Surveys &amp; Feedback** | Not enough data | Not enough data | 
| **Personalization** | Not enough data | Not enough data | 
| **Campaign Planning** | Not enough data | Not enough data | 
| **Third-Party Integrations** | Not enough data | Not enough data | 
| **Behavioral Analytics** | Not enough data | Not enough data | 
| **Email Tracking** | Not enough data | Not enough data | 
| **Campaign Analytics** | Not enough data | Not enough data | 
| **Customer Segmentation** | Not enough data | Not enough data | 
| **Multi-Channel Communication** | Not enough data | Not enough data | 
| **Lead Management** | Not enough data | Not enough data | 
| **Channel Management** | Not enough data | Not enough data | 
| **AI Copilot** | Not enough data | Not enough data | 
| **Audience Targeting** | Not enough data | Not enough data | 
| **GDPR Compliance** | Not enough data | Not enough data | 
| **Customer Profiles** | Not enough data | Not enough data | 
| **Customer Database** | Not enough data | Not enough data | 
| **Multiple Data Sources** | Not enough data | Not enough data | 
| **Event Triggered Actions** | Not enough data | Not enough data | 
| **Tagging** | Not enough data | Not enough data | 
| **Customizable Templates** | Not enough data | Not enough data | 

### Proactive Notification

| Product | Score | Reviews |
|---|---|---|
| **Customer.io** | N/A | N/A |
| **OneSignal** | 8.6/10 | 147 |

#### Messaging Channels

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **SMS Messaging** | Not enough data | 8.0 (82 reviews) | 
| **Email** | Not enough data | 8.7 (95 reviews) | 
| **Voice Messaging** | Not enough data | 7.2 (70 reviews) | 
| **Two way messaging** | Not enough data | Feature Not Available | 

#### Administration

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Scheduling** | Not enough data | 9.2 (120 reviews) | 
| **Triggered Notifications** | Not enough data | 9.2 (123 reviews) | 
| **Segmentation** | Not enough data | 9.0 (124 reviews) | 
| **Integrations** | Not enough data | 8.9 (119 reviews) | 

### Personalization

| Product | Score | Reviews |
|---|---|---|
| **Customer.io** | 5.8/10 | 36 |
| **OneSignal** | N/A | N/A |

#### Agentic AI - Personalization

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Autonomous Task Execution** | 5.6 (34 reviews) | Not enough data | 
| **Cross-system Integration** | 6.4 (34 reviews) | Not enough data | 
| **Adaptive Learning** | 5.9 (33 reviews) | Not enough data | 
| **Natural Language Interaction** | 5.8 (33 reviews) | Not enough data | 
| **Proactive Assistance** | 5.6 (33 reviews) | Not enough data | 
| **Decision Making** | 5.6 (34 reviews) | Not enough data | 
| **Third-Party Integrations** | Not enough data | Not enough data | 

#### AI Personalization - Personalization

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Predictive Recommendations** | Not enough data | Not enough data | 
| **Audience Segmentation** | Not enough data | Not enough data | 
| **Adaptive Content** | Not enough data | Not enough data | 

#### Additional Functionality

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **AI Copilot** | Not enough data | Not enough data | 
| **Engagement Tracking** | Not enough data | Not enough data | 
| **Content Management** | Not enough data | Not enough data | 
| **Visual Analytics** | Not enough data | Not enough data | 
| **Real-Time Analytics** | Not enough data | Not enough data | 
| **Behavior Tracking** | Not enough data | Not enough data | 
| **Website Personalization** | Not enough data | Not enough data | 
| **Recommendations** | Not enough data | Not enough data | 
| **Real-Time Reporting** | Not enough data | Not enough data | 
| **Content Analytics** | Not enough data | Not enough data | 
| **Behavioral Targeting** | Not enough data | Not enough data | 
| **Account Based Marketing** | Not enough data | Not enough data | 
| **Website Analytics** | Not enough data | Not enough data | 
| **Customer Segmentation** | Not enough data | Not enough data | 
| **Customer Profiles** | Not enough data | Not enough data | 
| **Template Management** | Not enough data | Not enough data | 
| **Multi-Channel Marketing** | Not enough data | Not enough data | 
| **Customizable Branding** | Not enough data | Not enough data | 
| **Alerts/Notifications** | Not enough data | Not enough data | 
| **API** | Not enough data | Not enough data | 
| **Abandoned Cart Saver** | Not enough data | Not enough data | 
| **Drag &amp; Drop** | Not enough data | Not enough data | 
| **Contextual Targeting** | Not enough data | Not enough data | 
| **Experience Management** | Not enough data | Not enough data | 
| **Campaign Management** | Not enough data | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 
| **WYSIWYG Editor** | Not enough data | Not enough data | 
| **Reporting/Analytics** | Not enough data | Not enough data | 
| **Activity Dashboard** | Not enough data | Not enough data | 
| **Multi-Campaign** | Not enough data | Not enough data | 
| **Campaign Segmentation** | Not enough data | Not enough data | 
| **A/B Testing** | Not enough data | Not enough data | 
| **Customizable Forms** | Not enough data | Not enough data | 
| **Email Marketing** | Not enough data | Not enough data | 

### RCS Business Messaging

| Product | Score | Reviews |
|---|---|---|
| **Customer.io** | N/A | N/A |
| **OneSignal** | N/A | N/A |

#### Messaging - RCS Business Messaging

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Personalization** | Not enough data | Not enough data | 
| **Rich Media** | Not enough data | Not enough data | 
| **Interactive Messages** | Not enough data | Not enough data | 
| **Branded Templates** | Not enough data | Not enough data | 
| **Automation** | Not enough data | Not enough data | 
| **Conversational RCS** | Not enough data | Not enough data | 
| **Transactional RCS** | Not enough data | Not enough data | 
| **Promotional RCS** | Not enough data | Not enough data | 

#### Security / Verification - RCS Business Messaging

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Verified Sender** | Not enough data | Not enough data | 
| **Encryption** | Not enough data | Not enough data | 
| **Authentication** | Not enough data | Not enough data | 

#### Analytics / Deliverability - RCS Business Messaging

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Read Receipts** | Not enough data | Not enough data | 
| **Analytics** | Not enough data | Not enough data | 
| **SMS Fallback** | Not enough data | Not enough data | 

#### AI - RCS Business Messaging

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **AI** | Not enough data | Not enough data | 

### Mobile Marketing

| Product | Score | Reviews |
|---|---|---|
| **Customer.io** | 7.4/10 | 81 |
| **OneSignal** | 8.6/10 | 223 |

#### Analysis

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Application Attribution** | Feature Not Available | 8.7 (97 reviews) | 
| **Campaign Analysis** | 8.0 (69 reviews) | 8.7 (169 reviews) ✓ Verified | 
| **Uninstall Tracking** | 6.3 (56 reviews) | 8.2 (141 reviews) | 
| **Activity Dashboard** | Feature Not Available | 8.3 (150 reviews) | 
| **Multi-Channel Attribution** | Not enough data | Not enough data | 
| **ROI Tracking** | Not enough data | Not enough data | 
| **Engagement Tracking** | Not enough data | Not enough data | 
| **Behavior Tracking** | Not enough data | Not enough data | 
| **Activity Tracking** | Not enough data | Not enough data | 
| **Conversion Tracking** | Not enough data | Not enough data | 

#### Campaigns

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Proximity Marketing** | 7.3 (56 reviews) | 8.7 (146 reviews) ✓ Verified | 
| **Alerts/Notifications** | 8.1 (64 reviews) | 9.4 (193 reviews) ✓ Verified | 
| **Bulk SMS** | 7.4 (63 reviews) | 8.1 (80 reviews) | 
| **Email Campaigns** | 9.3 (71 reviews) | 8.4 (137 reviews) | 
| **Audience Segmentation** | 9.2 (72 reviews) | 8.8 (180 reviews) | 
| **Campaign Segmentation** | Not enough data | Not enough data | 
| **Drip Campaigns** | Not enough data | Not enough data | 
| **Multi-Campaign** | Not enough data | Not enough data | 
| **Email Marketing** | Not enough data | Not enough data | 
| **Multi-Channel Marketing** | Not enough data | Not enough data | 
| **Location-Based Marketing** | Not enough data | Not enough data | 
| **SMS Marketing** | Not enough data | Not enough data | 
| **Real-Time Notifications** | Not enough data | Not enough data | 
| **Mobile Alerts** | Not enough data | Not enough data | 

#### Engagement

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Coupons and Promotions** | 6.9 (54 reviews) | 8.2 (134 reviews) | 
| **Social Promotion** | Not enough data | Not enough data | 

#### Platform

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Optimization** | 8.0 (61 reviews) | 8.9 (147 reviews) | 
| **Integrations - Mobile Marketing** | Feature Not Available | 9.0 (155 reviews) ✓ Verified | 
| **Internationalization** | 7.6 (59 reviews) | 8.8 (140 reviews) | 
| **Social Media Integration** | Not enough data | Not enough data | 
| **Third-Party Integrations** | Not enough data | Not enough data | 

#### Agentic AI - Mobile Marketing

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Autonomous Task Execution** | 6.7 (6 reviews) | Not enough data | 
| **Multi-step Planning** | 7.6 (7 reviews) | Not enough data | 
| **Cross-system Integration** | 6.1 (6 reviews) | Not enough data | 
| **Adaptive Learning** | 7.1 (7 reviews) | Not enough data | 
| **Proactive Assistance** | 6.9 (7 reviews) | Not enough data | 
| **Decision Making** | 6.9 (6 reviews) | Not enough data | 
| **Campaign Planning** | Not enough data | Not enough data | 

#### Additional Functionality

| Feature | Customer.io | OneSignal | 
|---|---|---|
| **Visual Analytics** | Not enough data | Not enough data | 
| **Autoresponders** | Not enough data | Not enough data | 
| **Landing Pages/Web Forms** | Not enough data | Not enough data | 
| **Campaign Analytics** | Not enough data | Not enough data | 
| **Reporting &amp; Statistics** | Not enough data | Not enough data | 
| **Campaign Scheduling** | Not enough data | Not enough data | 
| **Contact Management** | Not enough data | Not enough data | 
| **Text-to-Win** | Not enough data | Not enough data | 
| **CRM** | Not enough data | Not enough data | 
| **AI Copilot** | Not enough data | Not enough data | 
| **Data Import/Export** | Not enough data | Not enough data | 
| **Contextual Targeting** | Not enough data | Not enough data | 
| **Real-Time Data** | Not enough data | Not enough data | 
| **Mobile Access** | Not enough data | Not enough data | 
| **API** | Not enough data | Not enough data | 
| **Coupons** | Not enough data | Not enough data | 
| **Customizable Templates** | Not enough data | Not enough data | 
| **Drag &amp; Drop** | Not enough data | Not enough data | 
| **A/B Testing** | Not enough data | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 
| **Real-Time Analytics** | Not enough data | Not enough data | 
| **Campaign Management** | Not enough data | Not enough data | 
| **Event Triggered Actions** | Not enough data | Not enough data | 
| **Real-Time Reporting** | Not enough data | Not enough data | 
| **Contact Database** | Not enough data | Not enough data | 
| **Customizable Branding** | Not enough data | Not enough data | 
| **Reminders** | Not enough data | Not enough data | 

---
## Categories
**Shared Categories (4):** [SMS Marketing Software](https://www.g2.com/categories/sms-marketing), [Push Notification Software](https://www.g2.com/categories/push-notification), [Mobile Marketing Software](https://www.g2.com/categories/mobile-marketing), [Marketing Automation Software](https://www.g2.com/categories/marketing-automation)

**Unique to Customer.io (3):** [Personalization Software](https://www.g2.com/categories/personalization), [Transactional Email Software](https://www.g2.com/categories/transactional-email), [Customer Data Platforms (CDP)](https://www.g2.com/categories/customer-data-platform-cdp)

**Unique to OneSignal (2):** [Proactive Notification Software](https://www.g2.com/categories/proactive-notification), [ RCS Business Messaging Software](https://www.g2.com/categories/rcs-business-messaging)


---
## Reviewer Demographics

### By Company Size

| Segment | Customer.io | OneSignal | 
|---|---|---|
| **Small-Business** | 57.9% | 65.3% | 
| **Mid-Market** | 38.6% | 27.9% | 
| **Enterprise** | 3.5% | 6.8% | 

### By Industry

#### Customer.io

- **Computer Software:** 14.5%
- **Financial Services:** 14.1%
- **Information Technology and Services:** 8.9%
- **Marketing and Advertising:** 8.7%
- **Health, Wellness and Fitness:** 5.0%
- **Hospital &amp; Health Care:** 2.4%
- **Gambling &amp; Casinos:** 2.2%
- **Consumer Services:** 2.2%
- **Internet:** 2.2%
- **Insurance:** 2.1%
- **Other:** 37.6%

#### OneSignal

- **Computer Software:** 12.6%
- **Information Technology and Services:** 10.0%
- **Financial Services:** 5.9%
- **Health, Wellness and Fitness:** 4.3%
- **Online Media:** 3.8%
- **Computer Games:** 3.7%
- **Entertainment:** 3.6%
- **Marketing and Advertising:** 3.1%
- **Consumer Services:** 2.8%
- **Education Management:** 2.7%
- **Other:** 47.4%

---
## Alternatives

### Alternatives to Customer.io

- [Iterable](https://www.g2.com/products/iterable/reviews) — 4.4/5 stars (824 reviews)
- [Braze](https://www.g2.com/products/braze/reviews) — 4.5/5 stars (1746 reviews)
- [Klaviyo](https://www.g2.com/products/klaviyo/reviews) — 4.6/5 stars (1362 reviews)
- [Insider One](https://www.g2.com/products/insider-one/reviews) — 4.7/5 stars (1420 reviews)
- [CleverTap](https://www.g2.com/products/clevertap/reviews) — 4.6/5 stars (681 reviews)
- [Bloomreach](https://www.g2.com/products/bloomreach-bloomreach/reviews) — 4.6/5 stars (835 reviews)
- [ActiveCampaign](https://www.g2.com/products/activecampaign/reviews) — 4.4/5 stars (14795 reviews)
- [MoEngage](https://www.g2.com/products/moengage/reviews) — 4.5/5 stars (523 reviews)
- [WebEngage](https://www.g2.com/products/webengage/reviews) — 4.5/5 stars (769 reviews)
- [Ortto](https://www.g2.com/products/ortto/reviews) — 4.4/5 stars (624 reviews)

### Alternatives to OneSignal

- [Braze](https://www.g2.com/products/braze/reviews) — 4.5/5 stars (1746 reviews)
- [MoEngage](https://www.g2.com/products/moengage/reviews) — 4.5/5 stars (523 reviews)
- [Iterable](https://www.g2.com/products/iterable/reviews) — 4.4/5 stars (824 reviews)
- [Insider One](https://www.g2.com/products/insider-one/reviews) — 4.7/5 stars (1420 reviews)
- [CleverTap](https://www.g2.com/products/clevertap/reviews) — 4.6/5 stars (681 reviews)
- [WebEngage](https://www.g2.com/products/webengage/reviews) — 4.5/5 stars (769 reviews)
- [Pushwoosh](https://www.g2.com/products/pushwoosh/reviews) — 4.4/5 stars (51 reviews)
- [Klaviyo](https://www.g2.com/products/klaviyo/reviews) — 4.6/5 stars (1362 reviews)
- [SendPulse](https://www.g2.com/products/sendpulse/reviews) — 4.6/5 stars (719 reviews)
- [PushEngage](https://www.g2.com/products/pushengage/reviews) — 4.6/5 stars (53 reviews)

---
## Top Discussions

### Customer.io

- Title: [What is Customer.io used for?](https://www.g2.com/discussions/what-is-customer-io-used-for) — 2 comments
  > **Top comment:** "customer.io is an incredibly feature-packed combination of user messaging services into one platform."
- Title: [Is it available in Bangladesh?](https://www.g2.com/discussions/is-it-available-in-bangladesh) — 1 comment, 2 upvotes
  > **Top comment:** "Visit ClimaxRecovery or send an email to info@climaxrecovery.com +1 909 248 4443
Provide all necessary information
Recovery process starts, and your..."
- Title: [What is the best way to make automations a smoother process?](https://www.g2.com/discussions/what-is-the-best-way-to-make-automations-a-smoother-process) — 1 comment, 1 upvote
  > **Top comment:** "Start small workflows. Make use of the content that your marketing and sales teams have. Use Goals. Know when to unenroll the contacts from the automation..."
- Title: [how is this site for mails?](https://www.g2.com/discussions/36887-how-is-this-site-for-mails) — 1 comment, 1 upvote
  > **Top comment:** "I don&#39;t know"

### OneSignal

- Title: [What is OneSignal used for?](https://www.g2.com/discussions/what-is-onesignal-used-for) — 4 comments, 4 upvotes
  > **Top comment:** "OneSignal is a customer engagement platform primarily used for sending push notifications, email notifications, and in-app messaging. 

"
- Title: [Is One signal a good push notifications service](https://www.g2.com/discussions/is-one-signal-a-good-push-notifications-service) — 2 comments, 1 upvote
  > **Top comment:** "Yes it is"
- Title: [When will you add monitization options?](https://www.g2.com/discussions/24867-when-will-you-add-monitization-options) — 2 comments, 1 upvote
  > **Top comment:** "in my opinion and experience using one signal, you cant monetize the message itself, but you can direct your users to any monetized website and read..."
- Title: [Easy to use](https://www.g2.com/discussions/onesignal-easy-to-use) — 1 comment, 1 upvote
  > **Top comment:** "Certainly"
- Title: [How can I download a report of the goblad outcomes of my push notifications](https://www.g2.com/discussions/how-can-i-download-a-report-of-the-goblad-outcomes-of-my-push-notifications) — 1 comment, 1 upvote
  > **Top comment:** "you need to update your plan to a paid plan ... then you can export it from the page of the message, below the chart."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/customer-io-vs-onesignal)

