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# Customer.io vs HubSpot Marketing Hub Comparison - What are their main differences?

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Customer.ioHubSpot Marketing Hub[+ Add Product](#)

Pricing

**Customer.io**
Free Trial

**$100.00** Usage Based Per Month · Essential

**$1,000.00** Usage Based Per Month · Premium 

**Contact Vendor for Pricing** Usage Based Per Year · Enterprise

**HubSpot Marketing Hub**
Free Trial

**$15.00** Per User Per Month · Marketing Hub Starter

**$890.00** Other Per Month · Marketing Hub Professional

**$3,600.00** Other Per Month · Marketing Hub Enterprise

**Pricing Insights**
from reviews

Perceived Cost

**Customer.io**
$$$$$

**HubSpot Marketing Hub**
$$$$$

Average Discount

**Customer.io**
21%4% more

**HubSpot Marketing Hub**
17%

Uncover valuable pricing insights from real user feedback to improve your shopping experience.
See it for free

Time to Implement

**Customer.io** 6 months
Based on 100 responses

**HubSpot Marketing Hub** 6 months
Based on 100 responses

Return on Investment

**Customer.io** 6 months
Based on 100 responses

**HubSpot Marketing Hub** 6 months
Based on 100 responses

 ![Customer.io](https://images.g2crowd.com/uploads/product/hd_favicon/796a98b0661c81fd4f6aa01f2c7b5c2a/customer-io.svg "Customer.io")

 ![HubSpot Marketing Hub](https://images.g2crowd.com/uploads/product/hd_favicon/4197737e447f044e17be1a5ebb4ba193/hubspot-marketing-hub.svg "HubSpot Marketing Hub")

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## Customer.io vs. HubSpot Marketing Hub Comparison Summary

Last Updated November 02, 2026 based on 1,699 verified G2 reviews.

Generated using AI

HubSpot Marketing Hub offers a more unified CRM-centered operating model for campaigns, contacts, lead nurturing, and reporting in one system.Customer.io offers deeper event-driven orchestration for personalized email, SMS, push, and in-app messaging based on live user behavior.Customer.io requires more technical data and event setup, while HubSpot Marketing Hub is easier to start, reflected in setup scores of 8.0/10 and 8.1/10.

 ![Customer.io](https://images.g2crowd.com/uploads/product/hd_favicon/796a98b0661c81fd4f6aa01f2c7b5c2a/customer-io.svg "Customer.io")

Customer.io

4.4/5(1,014)

HubSpot Marketing Hub is best suited for small-business marketing teams needing CRM-connected, all-in-one campaign execution across email, landing pages, social, and automation.

 ![HubSpot Marketing Hub](https://images.g2crowd.com/uploads/product/hd_favicon/4197737e447f044e17be1a5ebb4ba193/hubspot-marketing-hub.svg "HubSpot Marketing Hub")

HubSpot Marketing Hub

4.4/5(16,081)

Customer.io is recommended for product-led teams using real-time user events to orchestrate personalized, multichannel lifecycle messaging.

| | [HubSpot Marketing Hub](https://www.g2.com/products/hubspot-marketing-hub/reviews) | [Customer.io](https://www.g2.com/products/customer-io/reviews) |
| --- | --- | --- |
| G2 Rating | 4.4/5 (16,040 reviews) | 4.4/5 (1,003 reviews) |
| Largest Segment | Small-Business | Small-Business |
| Ease of Setup | 8.1/10 | 8.0/10 |
| Quality of Support | 8.7/10 | 8.6/10 |
| Top Reviewer-Cited Strength | CRM-connected campaign orchestration | Event-driven journey personalization |

Show more

**Pros & Cons**
from reviews

**Customer.io**

Ease of Use (250)

Automation (158)

Learning Curve (98)

Missing Features (83)

**HubSpot Marketing Hub**

Easy To Navigate (1614)

All-in-One Marketing Tools (993)

Steep Learning Curve (370)

High Plan Costs (275)

Integrations

**Customer.io**
[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_d06214a78a4c42bbd28cfa5c5d8b7b38/acuity-scheduling.png "Product Avatar Image")

Acuity Scheduling

](https://www.g2.com/products/acuity-scheduling/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_3d8a73f469261c6614cb56ce5698db3f/adroll.png "Product Avatar Image")

AdRoll

](https://www.g2.com/products/adroll/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_3f65e03dad098005646f58fdebc87312/aha.png "Product Avatar Image")

Aha!

](https://www.g2.com/products/aha/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_d8d487b67574b56a5ad57a2f0f159a30/airtable.jpg "Product Avatar Image")

Airtable

](https://www.g2.com/products/airtable/reviews)[
View all
](https://www.g2.com/products/customer-io/integrations)

**HubSpot Marketing Hub**
[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_a32e0e26763af4564c2d6b2d497f3b71/6sense-revenue-marketing.png "Product Avatar Image")

6sense Revenue Marketing

](https://www.g2.com/products/6sense-revenue-marketing/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_a32e0e26763af4564c2d6b2d497f3b71/6sense-sales.png "Product Avatar Image")

6sense Sales Intelligence

](https://www.g2.com/products/6sense-sales/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_fbd2153b13fc6c72bbb5b34110ab8e55/accelo%282%29.png "Product Avatar Image")

Accelo

](https://www.g2.com/products/accelo/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_696e8504eb1508a942835ead09fd3184/act.png "Product Avatar Image")

Act!

](https://www.g2.com/products/act/reviews)[
View all
](https://www.g2.com/products/hubspot-marketing-hub/integrations)

Screenshots

**Customer.io**
 ![Customer.io screenshot](https://images.g2crowd.com/cdn-cgi/image/width=600,height=600,fit=scale-down,format=auto,onerror=redirect,/https://images.g2crowd.com/uploads/attachment/file/56070/G2-Homepage---Customer.io.jpg)

**HubSpot Marketing Hub**
 ![HubSpot Marketing Hub screenshot](https://images.g2crowd.com/cdn-cgi/image/width=600,height=600,fit=scale-down,format=auto,onerror=redirect,/https://images.g2crowd.com/uploads/attachment/file/111564/new-record-screenshot.png)

**Ratings**
from reviews

Meets Requirements

**Customer.io**

**8.6** /10

Based on 775 responses

**HubSpot Marketing Hub**

**8.5** /10

Based on 10,214 responses

Ease of Use

**Customer.io**

**8.3** /10

Based on 802 responses

**HubSpot Marketing Hub**

**8.6** /10

Based on 12,679 responses

Ease of Setup

**Customer.io**

**8.0** /10

Based on 585 responses

**HubSpot Marketing Hub**

**8.1** /10

Based on 8,320 responses

Ease of Admin

**Customer.io**

**8.6** /10

Based on 335 responses

**HubSpot Marketing Hub**

**8.5** /10

Based on 5,149 responses

Quality of Support

**Customer.io**

**8.6** /10

Based on 695 responses

**HubSpot Marketing Hub**

**8.7** /10

Based on 9,648 responses

Has the product been a good partner in doing business?

**Customer.io**

**8.9** /10

Based on 333 responses

**HubSpot Marketing Hub**

**8.7** /10

Based on 5,064 responses

Product Direction (% positive)

**Customer.io**

**9.1** /10

Based on 755 responses

**HubSpot Marketing Hub**

**8.8** /10

Based on 9,758 responses

**Features**
ratings from reviews

Marketing Automation

**7.9** /10

Based on 642 responses

**8.5** /10

Based on 8,009 responses

Transactional Email

**8.1** /10

Based on 288 responses

Not enough data

Account Data Management

Not enough data

**7.5** /10

Based on 1,637 responses

Uncover more feature rated insights from real users to improve your shopping experience.

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Conversational Marketing

Not enough data

**7.4** /10

Based on 2,073 responses

Push Notification

**8.1** /10

Based on 125 responses

Not enough data

SMS Marketing

**7.4** /10

Based on 95 responses

Not enough data

Customer Data Platform (CDP)

**7.1** /10

Based on 102 responses

Not enough data

Pop-Up Builder

Not enough data

**7.4** /10

Based on 94 responses

Attribution

Not enough data

**7.3** /10

Based on 350 responses

Account-Based Orchestration Platforms

Not enough data

**7.6** /10

Based on 314 responses

Account-Based Web and Content Experiences

Not enough data

**8.5** /10

Based on 773 responses

Social Media Management

Not enough data

**7.8** /10

Based on 2,918 responses

Customer Journey Analytics

Not enough data

**7.7** /10

Based on 533 responses

Social Media Advertising

Not enough data

**8.0** /10

Based on 1,716 responses

AI Agents For Business Operations

Not enough data

**8.0** /10

Based on 29 responses

Landing Page Builders

Not enough data

**7.9** /10

Based on 1,627 responses

Personalization

**5.8** /10

Based on 36 responses

Not enough data

Account-Based Analytics

Not enough data

**7.8** /10

Based on 1,130 responses

Mobile Marketing

**7.4** /10

Based on 83 responses

Not enough data

Marketing Analytics

Not enough data

**7.8** /10

Based on 3,611 responses

User Insights

**Reviewers' Company Size**

Small-Business(50 or fewer emp.)
60.0%

Mid-Market(51-1000 emp.)
37.0%

Enterprise(\> 1000 emp.)
3.0%

Small-Business(50 or fewer emp.)
60.0%

Mid-Market(51-1000 emp.)
37.0%

Enterprise(\> 1000 emp.)
3.0%

Small-Business(50 or fewer emp.)
51.0%

Mid-Market(51-1000 emp.)
42.2%

Enterprise(\> 1000 emp.)
6.8%

Small-Business(50 or fewer emp.)
51.0%

Mid-Market(51-1000 emp.)
42.2%

Enterprise(\> 1000 emp.)
6.8%

**Reviewers' Industry**

[![Customer.io](https://images.g2crowd.com/uploads/product/hd_favicon/796a98b0661c81fd4f6aa01f2c7b5c2a/customer-io.svg "Customer.io")](https://www.g2.com/products/customer-io/reviews)
Customer.io

Computer Software
14.7%

Financial Services
13.9%

Information Technology and Services
8.7%

Marketing and Advertising
8.6%

Health, Wellness and Fitness
4.7%

Other
49.3%

[![HubSpot Marketing Hub](https://images.g2crowd.com/uploads/product/hd_favicon/4197737e447f044e17be1a5ebb4ba193/hubspot-marketing-hub.svg "HubSpot Marketing Hub")](https://www.g2.com/products/hubspot-marketing-hub/reviews)
HubSpot Marketing Hub

Computer Software
15.4%

Marketing and Advertising
12.5%

Information Technology and Services
11.3%

Financial Services
5.2%

Education Management
2.5%

Other
53.1%

Alternatives

**Customer.io Alternatives**

 ![Braze](https://images.g2crowd.com/uploads/product/hd_favicon/048489136cfe3c3bae96cb6be5abaa04/braze.svg "Braze")

[
Braze
](/products/braze/reviews)

 ![Klaviyo](https://images.g2crowd.com/uploads/product/hd_favicon/b6df098261e7029181e27856a1b3934b/klaviyo.svg "Klaviyo")

[
Klaviyo
](/products/klaviyo/reviews)

 ![OneSignal](https://images.g2crowd.com/uploads/product/hd_favicon/8673c259241abc89782745e0f4687f64/onesignal.svg "OneSignal")

[
OneSignal
](/products/onesignal/reviews)

 ![Iterable](https://images.g2crowd.com/uploads/product/hd_favicon/1bf77060f8ae9c8d49864d81c92f41d9/iterable.svg "Iterable")

[
Iterable
](/products/iterable/reviews)

**HubSpot Marketing Hub Alternatives**

 ![Demandbase One](https://images.g2crowd.com/uploads/product/hd_favicon/c774a027c587be17b366c706735319c9/demandbase-one.svg "Demandbase One")

[
Demandbase One
](/products/demandbase-one/reviews)

 ![ActiveCampaign](https://images.g2crowd.com/uploads/product/hd_favicon/be9e1369027bd58113f937595c7fbdf0/activecampaign.svg "ActiveCampaign")

[
ActiveCampaign
](/products/activecampaign/reviews)

 ![Salesforce Marketing Cloud](https://images.g2crowd.com/uploads/product/hd_favicon/826ce87155a61f72d3dfd92c5283eed8/agentforce-marketing-formerly-salesforce-marketing-cloud.svg "Salesforce Marketing Cloud")

[
Salesforce Marketing Cloud
](/products/agentforce-marketing-formerly-salesforce-marketing-cloud/reviews)

 ![Klaviyo](https://images.g2crowd.com/uploads/product/hd_favicon/b6df098261e7029181e27856a1b3934b/klaviyo.svg "Klaviyo")

[
Klaviyo
](/products/klaviyo/reviews)

## Customer.io vs HubSpot Marketing Hub FAQs

Generated using AI

Last updated: August 14, 2026

### What is the difference between HubSpot Marketing Hub vs Customer.io?

HubSpot Marketing Hub and Customer.io both serve the marketing automation category, but HubSpot Marketing Hub stands out for its broader feature set and higher all-time reviewer-cited strengths, while Customer.io is praised for automation and flexibility.

| [HubSpot Marketing Hub](https://www.g2.com/products/hubspot-marketing-hub/reviews) | [Customer.io](https://www.g2.com/products/customer-io/reviews) |
| --- | --- |
| 4.4/5 (14,917 reviews) | 4.4/5 (896 reviews) |
| Small-Business | Small-Business |
| 8.1 | 8.0 |
| 8.7 | 8.6 |
| Ease of Use (1,981 all-time mentions) | Automation (152 all-time mentions) |

### How do the pricing models of HubSpot Marketing Hub and Customer.io compare?

HubSpot Marketing Hub and Customer.io are rated at parity for value, with both products scoring closely on price satisfaction.

- **HubSpot Marketing Hub:** In recent reviews, several buyers note that pricing can increase quickly as contact lists grow, and advanced features are often locked behind higher-tier plans.
- **Customer.io:** Reviewers highlight a steep pricing curve as databases scale, with costs escalating rapidly for larger contact lists and higher send volumes.
- **Switching reasons:** Reviewers cite switching to HubSpot Marketing Hub for its all-in-one capabilities and to Customer.io for more flexible automation and segmentation.

### What are the best alternatives to HubSpot Marketing Hub and Customer.io?

The top three alternatives to HubSpot Marketing Hub and Customer.io are Iterable, Demandbase One, and ActiveCampaign.

| Product | G2 Rating (reviews) | Largest Segment | Pricing Insight | Top Reviewer-Cited Strength |
| --- | --- | --- | --- | --- |
| [HubSpot Marketing Hub](https://www.g2.com/products/hubspot-marketing-hub/reviews) | 4.4/5 (14,917) | Small-Business | Pricing can increase quickly as contact lists grow | Ease of Use (1,981 all-time mentions) |
| [Customer.io](https://www.g2.com/products/customer-io/reviews) | 4.4/5 (896) | Small-Business | Steep pricing curve as database scales | Automation (152 all-time mentions) |
| [Iterable](https://www.g2.com/products/iterable/reviews) | 4.4/5 (825) | Mid-Market | — | — |
| [Demandbase One](https://www.g2.com/products/demandbase-one/reviews) | 4.4/5 (1,988) | Mid-Market | — | — |
| [ActiveCampaign](https://www.g2.com/products/activecampaign/reviews) | 4.4/5 (14,780) | Small-Business | — | — |

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

Buyers comparing HubSpot Marketing Hub and Customer.io should prioritize automation, integrations, reporting/analytics, AI capabilities, and social media management.

- **Automation:** Customer.io: 152 all-time mentions; HubSpot Marketing Hub: 495 all-time mentions for powerful features including automation.
- **Integrations:** HubSpot Marketing Hub: 1,584 all-time mentions; Customer.io: 67 all-time mentions for easy integrations.
- **Reporting/Analytics:** HubSpot Marketing Hub: 240 all-time mentions for feature variety including analytics; Customer.io: Reviewers note ongoing improvements and desire for more customizable reporting.
- **AI capabilities:** HubSpot Marketing Hub: 81 all-time mentions for updates including AI; Customer.io: Recent reviews highlight the AI agent and automation efficiency (119 all-time mentions).
- **Social Media Management:** HubSpot Marketing Hub offers social campaign, social listening, and social media advertising features not present in Customer.io.

### What are the pros and cons of HubSpot Marketing Hub vs Customer.io?

HubSpot Marketing Hub's headline strength is its ease of use and all-in-one feature set, while Customer.io is strongest in automation and flexible customer journeys.

- **HubSpot Marketing Hub strengths:** Ease of Use (1,981 all-time mentions), Features (1,103), Helpful (1,014), Intuitive (905), Powerful Features (495), User-Friendly (369), Feature Variety (240).
- **HubSpot Marketing Hub trade-offs:** Reviewers note pricing increases as contact lists grow, complexity for new users, and some limitations in advanced customization and reporting.
- **Customer.io strengths:** Automation (152 all-time mentions), Helpful (127), Automation Efficiency (119), Easy Integrations (67), Easy Implementation (49), Audience Targeting (26).
- **Customer.io trade-offs:** Reviewers cite a steep pricing curve as databases scale, navigation difficulty (33 all-time mentions), and some limitations in reporting and onboarding support.

### Is HubSpot Marketing Hub or Customer.io better for small businesses?

HubSpot Marketing Hub and Customer.io are both primarily adopted by small businesses, but HubSpot Marketing Hub receives more frequent praise for its ease of use and all-in-one capabilities among small-business reviewers.

- **HubSpot Marketing Hub:** Largest segment is Small-Business; reviewers highlight its user-friendly interface and centralized marketing tools as key benefits for small teams.
- **Customer.io:** Largest segment is Small-Business; reviewers appreciate its automation and flexibility, but note a steeper learning curve and pricing challenges as contact lists grow.

### Which Marketing Automation platform has better integrations?

HubSpot Marketing Hub is favored for integrations, with a significantly higher volume of reviewer-cited integration mentions.

- **HubSpot Marketing Hub:** 1,584 all-time reviews mention integrations, with Facebook cited in 310 reviews.
- **Customer.io:** Front is mentioned in recent reviews, with 8 all-time mentions; reviewers also note integrations with Salesforce and other tools, but at a lower volume.

### How do HubSpot Marketing Hub and Customer.io compare on customer support?

HubSpot Marketing Hub and Customer.io are rated at near-parity for Quality of Support, with scores of 8.7 and 8.6 respectively.

- **HubSpot Marketing Hub:** Reviewers frequently praise helpful and responsive customer support, with 498 all-time mentions, though some note variability in onboarding and advanced support.
- **Customer.io:** 125 all-time mentions for customer support, with recent reviews highlighting helpful support experiences, but also citing occasional challenges with onboarding and technical assistance.

### Which is easier to implement, HubSpot Marketing Hub or Customer.io?

HubSpot Marketing Hub and Customer.io score within a tenth of a point on Ease of Setup, with HubSpot Marketing Hub at 8.1 and Customer.io at 8.0, indicating parity.

- **HubSpot Marketing Hub:** Reviewers describe setup as straightforward and user-friendly, though some note a learning curve for advanced features and initial onboarding.
- **Customer.io:** Reviewers report easy setup for basic use, but mention a steeper learning curve for advanced automation and integrations, and occasional need for external consultancy during onboarding.

### Which product has better AI?

HubSpot Marketing Hub and Customer.io are both recognized for strong AI capabilities, with reviewers highlighting recent AI feature improvements in both platforms.

- **HubSpot Marketing Hub:** AI features are frequently praised in recent reviews, with 81 all-time mentions for updates including AI and 495 all-time mentions for powerful features.
- **Customer.io:** Reviewers highlight the AI agent and automation efficiency (119 all-time mentions), with recent sentiment emphasizing the value of AI-driven campaign creation and analysis.