# Bird, Klaviyo vs Twilio Comparison

| | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Star Rating** | 3.9 out of 5 | 4.6 out of 5 | 4.1 out of 5 | 
| **Total Reviews** | 73 | 1,352 | 521 | 
| **Largest Market Segment** | Small-Business (78.3% of reviews) | Small-Business (82.2% of reviews) | Small-Business (51.4% of reviews) | 
| **Entry Level Price** | No pricing available | No pricing available | No pricing available | 

---
## Top Pros & Cons

### Bird

Pros:
- Ease of Use (2 reviews)
- Intuitive (2 reviews)

Cons:
- Poor Customer Support (4 reviews)
- Expensive (3 reviews)

### Klaviyo

Pros:
- Ease of Use (167 reviews)
- Email Marketing (131 reviews)

Cons:
- Expensive (73 reviews)
- Learning Curve (63 reviews)

### Twilio

Pros:
- Ease of Use (40 reviews)
- Easy Integrations (30 reviews)

Cons:
- Expensive (26 reviews)
- Poor Customer Support (23 reviews)

---
## Ratings Comparison
| Rating | Bird | Klaviyo | Twilio | 
|---|---|---|---|
  | **Meets Requirements** | 7.9 (60 reviews) | 9.0 (986 reviews) | 8.7 (375 reviews) | 
  | **Ease of Use** | 8.2 (61 reviews) | 8.6 (995 reviews) | 8.2 (384 reviews) | 
  | **Ease of Setup** | 8.0 (48 reviews) | 8.5 (643 reviews) | 7.7 (223 reviews) | 
  | **Ease of Admin** | 8.2 (46 reviews) | 8.9 (522 reviews) | 7.9 (197 reviews) | 
  | **Quality of Support** | 7.4 (57 reviews) | 8.4 (938 reviews) | 7.8 (341 reviews) | 
  | **Has the product been a good partner in doing business?** | 7.6 (45 reviews) | 8.9 (526 reviews) | 8.1 (188 reviews) | 
  | **Product Direction (% positive)** | 8.1 (55 reviews) | 8.9 (934 reviews) | 8.3 (363 reviews) | 

---
## Pricing

### Bird

#### Entry-Level Pricing

No pricing available

#### Free Trial

Yes

### Klaviyo

#### Entry-Level Pricing

No pricing available

#### Free Trial

Yes

### Twilio

#### Entry-Level Pricing

No pricing available

#### Free Trial

Yes

---
## Features Comparison By Category

### Marketing Automation

| Product | Score | Reviews |
|---|---|---|
| **Bird** | N/A | N/A |
| **Klaviyo** | 8.2/10 | 677 |
| **Twilio** | N/A | N/A |

#### Email Marketing

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Building and Personalizing Emails** | Not enough data | 9.0 (569 reviews) ✓ Verified | Not enough data | 
| **Sending Outbound Emails** | Not enough data | 9.3 (558 reviews) ✓ Verified | Not enough data | 
| **Manage Email Deliverability** | Not enough data | 8.9 (504 reviews) ✓ Verified | Not enough data | 
| **Automated Email Responses** | Not enough data | 9.0 (496 reviews) ✓ Verified | Not enough data | 

#### Online Marketing

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Landing Pages and Forms** | Not enough data | 7.9 (382 reviews) ✓ Verified | Not enough data | 
| **Dynamic Content** | Not enough data | 8.3 (406 reviews) ✓ Verified | Not enough data | 
| **A/B Testing** | Not enough data | 8.7 (439 reviews) ✓ Verified | Not enough data | 
| **Mobile Optimized** | Not enough data | 8.7 (454 reviews) | Not enough data | 
| **Search Tracking and Optimization** | Not enough data | 8.2 (253 reviews) | Not enough data | 

#### Lead Management

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Marketing Lead Database** | Not enough data | 8.5 (356 reviews) | Not enough data | 
| **Data Quality Management** | Not enough data | 8.4 (273 reviews) | Not enough data | 
| **Segmentation** | Not enough data | 9.0 (523 reviews) ✓ Verified | Not enough data | 
| **Lead Scoring and Grading** | Not enough data | 7.8 (221 reviews) | Not enough data | 
| **Lead Nurturing** | Not enough data | 8.5 (359 reviews) ✓ Verified | Not enough data | 
| **Online Behavior Tracking** | Not enough data | 8.5 (401 reviews) ✓ Verified | Not enough data | 
| **Automated Alerts and Tasks** | Not enough data | 8.4 (333 reviews) ✓ Verified | Not enough data | 
| **CRM Lead Integration** | Not enough data | 8.2 (288 reviews) ✓ Verified | Not enough data | 

#### Campaign Management

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Program Management** | Not enough data | 8.7 (348 reviews) ✓ Verified | Not enough data | 
| **Event / Webinar Marketing** | Not enough data | 8.0 (199 reviews) | Not enough data | 
| **Calendaring** | Not enough data | 8.1 (288 reviews) ✓ Verified | Not enough data | 
| **Budgeting** | Not enough data | 7.6 (198 reviews) | Not enough data | 

#### Social

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Social Listening** | Not enough data | Feature Not Available | Not enough data | 
| **Social Sharing** | Not enough data | 7.8 (196 reviews) | Not enough data | 
| **Social Campaigns** | Not enough data | 7.8 (189 reviews) | Not enough data | 
| **Social Media Engagement** | Not enough data | 7.5 (184 reviews) | Not enough data | 
| **Social Media Advertising** | Not enough data | 7.8 (258 reviews) ✓ Verified | Not enough data | 

#### Reporting & Analytics

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Basic Reporting** | Not enough data | 8.5 (496 reviews) ✓ Verified | Not enough data | 
| **Web Analytics** | Not enough data | 8.3 (416 reviews) ✓ Verified | Not enough data | 
| **ROI Analytics** | Not enough data | 8.4 (429 reviews) ✓ Verified | Not enough data | 
| **Revenue Analytics** | Not enough data | 8.4 (443 reviews) ✓ Verified | Not enough data | 
| **SEO / Keyword Analytics** | Not enough data | 7.6 (200 reviews) | Not enough data | 

#### Platform

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Customization ** | Not enough data | 8.5 (337 reviews) ✓ Verified | Not enough data | 
| **Workflow Capability** | Not enough data | 8.7 (329 reviews) ✓ Verified | Not enough data | 
| **User, Role, and Access Management** | Not enough data | 8.9 (318 reviews) ✓ Verified | Not enough data | 
| **Internationalization** | Not enough data | 8.3 (208 reviews) ✓ Verified | Not enough data | 
| **Sandbox / Test Environments** | Not enough data | 7.8 (194 reviews) ✓ Verified | Not enough data | 
| **Performance and Reliability** | Not enough data | 8.9 (325 reviews) ✓ Verified | Not enough data | 
| **Output Document Generation** | Not enough data | 8.0 (161 reviews) | Not enough data | 

#### Agentic AI - Marketing Automation

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | 6.8 (27 reviews) | Not enough data | 
| **Multi-step Planning** | Not enough data | 7.0 (25 reviews) | Not enough data | 
| **Cross-system Integration** | Not enough data | 7.4 (26 reviews) | Not enough data | 
| **Adaptive Learning** | Not enough data | 7.0 (23 reviews) | Not enough data | 
| **Proactive Assistance** | Not enough data | 6.9 (26 reviews) | Not enough data | 
| **Decision Making** | Not enough data | 7.3 (25 reviews) | Not enough data | 

#### Integration

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Data Import & Export Tools** | Not enough data | 8.5 (324 reviews) ✓ Verified | Not enough data | 
| **Integration APIs** | Not enough data | 8.6 (324 reviews) ✓ Verified | Not enough data | 
| **Breadth of Partner Applications** | Not enough data | 8.5 (272 reviews) ✓ Verified | Not enough data | 

### Conversational Marketing

| Product | Score | Reviews |
|---|---|---|
| **Bird** | N/A | N/A |
| **Klaviyo** | 7.0/10 | 17 |
| **Twilio** | N/A | N/A |

#### Messenger

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Sequencing** | Not enough data | 7.6 (14 reviews) | Not enough data | 
| **AI** | Not enough data | 6.4 (14 reviews) | Not enough data | 
| **Live Chat** | Not enough data | 6.5 (14 reviews) | Not enough data | 
| **Customization Interface** | Not enough data | 6.3 (13 reviews) | Not enough data | 

#### Channels

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Social Media** | Not enough data | 6.4 (13 reviews) | Not enough data | 
| **Website** | Not enough data | 7.4 (14 reviews) | Not enough data | 
| **Text Message (SMS)** | Not enough data | 6.5 (14 reviews) | Not enough data | 
| **Voice Assistants** | Not enough data | 6.3 (13 reviews) | Not enough data | 
| **Other** | Not enough data | 6.9 (13 reviews) | Not enough data | 

#### Customers

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Targeting** | Not enough data | 8.3 (14 reviews) | Not enough data | 
| **Profiles** | Not enough data | 7.7 (14 reviews) | Not enough data | 
| **Analytics** | Not enough data | 7.3 (13 reviews) | Not enough data | 
| **Lead Gathering** | Not enough data | 6.9 (13 reviews) | Not enough data | 
| **Sales Conversion** | Not enough data | 6.9 (14 reviews) | Not enough data | 

#### Agentic AI - Conversational Marketing

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Multi-step Planning** | Not enough data | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | Not enough data | 
| **Natural Language Interaction** | Not enough data | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | Not enough data | 

### Email Deliverability

| Product | Score | Reviews |
|---|---|---|
| **Bird** | N/A | N/A |
| **Klaviyo** | 8.3/10 | 40 |
| **Twilio** | N/A | N/A |

#### Diagnosis

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **IP Address ** | Not enough data | 8.2 (29 reviews) | Not enough data | 
| **Domains** | Not enough data | 8.6 (30 reviews) | Not enough data | 
| **Content ** | Not enough data | 8.4 (33 reviews) | Not enough data | 
| **Policy Compliance** | Not enough data | 8.5 (31 reviews) | Not enough data | 

#### Tracking

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Processing Time** | Not enough data | 8.3 (28 reviews) | Not enough data | 
| **Placement ** | Not enough data | 7.9 (28 reviews) | Not enough data | 
| **Open Rate** | Not enough data | 9.0 (35 reviews) | Not enough data | 
| **Time to Open** | Not enough data | 8.7 (31 reviews) | Not enough data | 
| **Alerts** | Not enough data | 8.6 (28 reviews) | Not enough data | 

#### Reporting

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Campaign Performance** | Not enough data | 9.1 (33 reviews) | Not enough data | 
| **Domain Reputation** | Not enough data | 8.7 (29 reviews) | Not enough data | 
| **Brand Reputation** | Not enough data | 8.7 (29 reviews) | Not enough data | 
| **Blacklist and Whitelist** | Not enough data | 8.4 (27 reviews) | Not enough data | 

#### Agentic AI - Email Deliverability

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | 8.2 (14 reviews) | Not enough data | 
| **Cross-system Integration** | Not enough data | 8.1 (15 reviews) | Not enough data | 
| **Adaptive Learning** | Not enough data | 8.0 (14 reviews) | Not enough data | 
| **Proactive Assistance** | Not enough data | 7.3 (14 reviews) | Not enough data | 
| **Decision Making** | Not enough data | 8.0 (14 reviews) | Not enough data | 

### Email Template Builder

| Product | Score | Reviews |
|---|---|---|
| **Bird** | N/A | N/A |
| **Klaviyo** | 8.1/10 | 501 |
| **Twilio** | N/A | N/A |

#### Templates

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Text and Themes** | Not enough data | 8.6 (427 reviews) ✓ Verified | Not enough data | 
| **Stock Images** | Not enough data | Feature Not Available | Not enough data | 
| **Proofing** | Not enough data | 8.4 (348 reviews) ✓ Verified | Not enough data | 
| **Mobile Responsive** | Not enough data | 8.8 (259 reviews) | Not enough data | 

#### Edit

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Pre-Made** | Not enough data | 8.4 (359 reviews) ✓ Verified | Not enough data | 
| **Build** | Not enough data | 8.8 (422 reviews) ✓ Verified | Not enough data | 
| **HTML** | Not enough data | 8.3 (334 reviews) ✓ Verified | Not enough data | 

#### Logistics

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Analytics** | Not enough data | 8.7 (428 reviews) ✓ Verified | Not enough data | 
| **Issues** | Not enough data | 7.9 (340 reviews) ✓ Verified | Not enough data | 
| **Integrations** | Not enough data | 8.8 (402 reviews) ✓ Verified | Not enough data | 
| **Shareable Link** | Not enough data | 8.4 (198 reviews) | Not enough data | 

#### Generative AI

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **AI Text Generation** | Not enough data | 7.5 (66 reviews) | Not enough data | 
| **AI Text Summarization** | Not enough data | 7.4 (52 reviews) | Not enough data | 

#### Agentic AI - Email Template Builder

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | 6.4 (19 reviews) | Not enough data | 
| **Cross-system Integration** | Not enough data | 7.0 (19 reviews) | Not enough data | 

### SMS Marketing

| Product | Score | Reviews |
|---|---|---|
| **Bird** | N/A | N/A |
| **Klaviyo** | 8.0/10 | 172 |
| **Twilio** | N/A | N/A |

#### Text Messaging

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Bulk SMS** | Not enough data | 8.6 (151 reviews) | Not enough data | 
| **Two-Way Text Messaging** | Not enough data | 8.1 (101 reviews) | Not enough data | 
| **Text Scheduler** | Not enough data | 8.8 (133 reviews) ✓ Verified | Not enough data | 
| **Automatic Replies** | Not enough data | 8.3 (115 reviews) ✓ Verified | Not enough data | 
| **Automatic URL Shortening** | Not enough data | 8.7 (126 reviews) ✓ Verified | Not enough data | 
| **MMS Marketing** | Not enough data | 8.5 (107 reviews) | Not enough data | 
| **Personalization** | Not enough data | 8.9 (135 reviews) ✓ Verified | Not enough data | 
| **Transactional SMS** | Not enough data | 8.7 (55 reviews) | Not enough data | 

#### SMS Platform

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Reporting** | Not enough data | 8.6 (135 reviews) ✓ Verified | Not enough data | 
| **Automation** | Not enough data | 8.9 (135 reviews) ✓ Verified | Not enough data | 
| **White Label** | Not enough data | Feature Not Available | Not enough data | 
| **Text-to-Landline** | Not enough data | Feature Not Available | Not enough data | 
| **Short Codes** | Not enough data | 8.3 (63 reviews) | Not enough data | 
| **API Integration** | Not enough data | 8.8 (111 reviews) ✓ Verified | Not enough data | 

#### Agentic AI - SMS Marketing

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | 6.8 (11 reviews) | Not enough data | 
| **Multi-step Planning** | Not enough data | 6.7 (10 reviews) | Not enough data | 
| **Cross-system Integration** | Not enough data | 6.8 (10 reviews) | Not enough data | 
| **Natural Language Interaction** | Not enough data | 6.7 (10 reviews) | Not enough data | 
| **Proactive Assistance** | Not enough data | 6.8 (10 reviews) | Not enough data | 
| **Decision Making** | Not enough data | 7.0 (10 reviews) | Not enough data | 

### Customer Data Platform (CDP)

| Product | Score | Reviews |
|---|---|---|
| **Bird** | N/A | N/A |
| **Klaviyo** | 8.4/10 | 131 |
| **Twilio** | N/A | N/A |

#### Data Sourcing

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Data Enrichment** | Not enough data | 8.4 (76 reviews) | Not enough data | 
| **Expandability** | Not enough data | 8.3 (68 reviews) | Not enough data | 
| **Content Marketing** | Not enough data | 8.5 (96 reviews) | Not enough data | 
| **Multiple Devices** | Not enough data | 8.5 (91 reviews) | Not enough data | 

#### Intelligence

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Marketing Metrics** | Not enough data | 8.6 (105 reviews) | Not enough data | 
| **Predictive Modeling** | Not enough data | 8.1 (73 reviews) | Not enough data | 
| **Recommendation Engine** | Not enough data | 8.0 (68 reviews) | Not enough data | 

### Pop-Up Builder

| Product | Score | Reviews |
|---|---|---|
| **Bird** | N/A | N/A |
| **Klaviyo** | 8.5/10 | 31 |
| **Twilio** | N/A | N/A |

#### Design and Customization

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Pre-Designed Templates** | Not enough data | 9.0 (24 reviews) | Not enough data | 
| **Pop-Up Types** | Not enough data | 8.9 (25 reviews) | Not enough data | 
| **No-Code Customization** | Not enough data | 9.1 (24 reviews) | Not enough data | 
| **Mobile Optimized** | Not enough data | 8.9 (22 reviews) | Not enough data | 

#### Campaigns

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Targeting** | Not enough data | 8.8 (24 reviews) | Not enough data | 
| **Triggered Campaigns** | Not enough data | 8.9 (22 reviews) | Not enough data | 
| **A/B Testing** | Not enough data | 8.8 (24 reviews) | Not enough data | 
| **Analytics** | Not enough data | 8.8 (25 reviews) | Not enough data | 

#### Integrations

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **CRM/Email Integrations** | Not enough data | 9.1 (23 reviews) | Not enough data | 
| **WCM Integrations** | Not enough data | 8.1 (19 reviews) | Not enough data | 
| **E-Commerce Integrations** | Not enough data | 9.1 (25 reviews) | Not enough data | 
| **Social Media Integrations** | Not enough data | 8.5 (20 reviews) | Not enough data | 

#### Generative AI

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **AI Text Generation** | Not enough data | 7.5 (20 reviews) | Not enough data | 

#### Agentic AI - Vulnerability Scanner

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | 6.8 (10 reviews) | Not enough data | 
| **Proactive Assistance** | Not enough data | 7.5 (10 reviews) | Not enough data | 

### Customer Journey Analytics

| Product | Score | Reviews |
|---|---|---|
| **Bird** | N/A | N/A |
| **Klaviyo** | 7.9/10 | 21 |
| **Twilio** | N/A | N/A |

#### Platform Basics

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Dynamic Segmentation** | Not enough data | 9.0 (17 reviews) | Not enough data | 
| **Journey Optimization** | Not enough data | 9.0 (16 reviews) | Not enough data | 

#### Platform Data

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Journey Reporting** | Not enough data | 8.5 (16 reviews) | Not enough data | 
| **Trends Reporting** | Not enough data | 8.3 (15 reviews) | Not enough data | 
| **Dashboards** | Not enough data | 8.8 (15 reviews) | Not enough data | 
| **Advanced Data Filtering** | Not enough data | 8.2 (15 reviews) | Not enough data | 

#### Platform Additional Functionality

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Journey Mapping** | Not enough data | 8.4 (16 reviews) | Not enough data | 
| **Integrations** | Not enough data | 9.2 (14 reviews) | Not enough data | 
| **Automated Alerts** | Not enough data | 8.3 (14 reviews) | Not enough data | 

#### Agentic AI - Customer Journey Analytics

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | 6.0 (5 reviews) | Not enough data | 
| **Cross-system Integration** | Not enough data | 7.0 (5 reviews) | Not enough data | 
| **Adaptive Learning** | Not enough data | 6.3 (5 reviews) | Not enough data | 
| **Proactive Assistance** | Not enough data | 6.9 (6 reviews) | Not enough data | 

### Communication Platform as a Service (CPaaS)

| Product | Score | Reviews |
|---|---|---|
| **Bird** | 6.1/10 | 15 |
| **Klaviyo** | N/A | N/A |
| **Twilio** | 7.8/10 | 131 |

#### Functionality

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Ease Of Integration** | 6.6 (15 reviews) ✓ Verified | Not enough data | 8.1 (115 reviews) ✓ Verified | 
| **API Call Speed** | 6.7 (13 reviews) ✓ Verified | Not enough data | 8.3 (104 reviews) ✓ Verified | 
| **Communication Varieties** | 7.1 (15 reviews) ✓ Verified | Not enough data | 8.3 (110 reviews) ✓ Verified | 

#### Support

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Documentation** | 5.4 (14 reviews) ✓ Verified | Not enough data | 7.5 (108 reviews) ✓ Verified | 
| **Community Support** | Feature Not Available | Not enough data | Feature Not Available | 
| **Professional Support** | 4.8 (14 reviews) ✓ Verified | Not enough data | 6.9 (112 reviews) ✓ Verified | 

### Review Management

| Product | Score | Reviews |
|---|---|---|
| **Bird** | N/A | N/A |
| **Klaviyo** | 8.6/10 | 10 |
| **Twilio** | N/A | N/A |

#### Collection

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Authentification** | Not enough data | 7.4 (7 reviews) | Not enough data | 
| **Review Forms** | Not enough data | 8.8 (7 reviews) | Not enough data | 
| **Personalization** | Not enough data | 8.6 (6 reviews) | Not enough data | 
| **Engagement** | Not enough data | 8.6 (6 reviews) | Not enough data | 
| **Community Q&A** | Not enough data | 7.2 (6 reviews) | Not enough data | 

#### Agentic AI - Review Management

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Adaptive Learning** | Not enough data | Not enough data | Not enough data | 
| **Natural Language Interaction** | Not enough data | Not enough data | Not enough data | 

#### Moderation

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Reviewer Validation** | Not enough data | 9.5 (7 reviews) | Not enough data | 
| **Response Types** | Not enough data | 9.0 (5 reviews) | Not enough data | 
| **Legal Agreements** | Not enough data | 9.3 (5 reviews) | Not enough data | 

#### Use Cases

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **E-commerce** | Not enough data | 9.8 (9 reviews) | Not enough data | 
| **Retail** | Not enough data | 8.9 (6 reviews) | Not enough data | 
| **Customer Service** | Not enough data | 9.7 (5 reviews) | Not enough data | 

#### Administration

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Incentives** | Not enough data | 9.3 (7 reviews) | Not enough data | 
| **Syndication** | Not enough data | 8.6 (6 reviews) | Not enough data | 
| **Insights** | Not enough data | 8.0 (5 reviews) | Not enough data | 
| **Content** | Not enough data | 8.0 (5 reviews) | Not enough data | 
| **Sampling** | Not enough data | 8.0 (5 reviews) | Not enough data | 

#### Display Options

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Badges** | Not enough data | 8.6 (6 reviews) | Not enough data | 
| **Widgets** | Not enough data | 8.3 (7 reviews) | Not enough data | 
| **Integration & APIs** | Not enough data | 8.3 (6 reviews) | Not enough data | 
| **Marketing** | Not enough data | 8.1 (6 reviews) | Not enough data | 

#### Generative AI

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **AI Text Generation** | Not enough data | 7.8 (6 reviews) | Not enough data | 

### Video Platform as a Service (VPaaS)

| Product | Score | Reviews |
|---|---|---|
| **Bird** | N/A | N/A |
| **Klaviyo** | N/A | N/A |
| **Twilio** | 6.9/10 | 15 |

#### API Features

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Live Chat** | Not enough data | Not enough data | 6.7 (12 reviews) | 
| **Screen Sharing** | Not enough data | Not enough data | 6.7 (12 reviews) | 
| **Subtitles and Closed Captions** | Not enough data | Not enough data | 6.7 (13 reviews) | 
| **Custom Video Player** | Not enough data | Not enough data | 7.3 (11 reviews) | 
| **Live Simulcasting** | Not enough data | Not enough data | 7.0 (11 reviews) | 

#### Security and Compliance

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Encryption** | Not enough data | Not enough data | 6.5 (11 reviews) | 
| **Watermarking** | Not enough data | Not enough data | 6.7 (11 reviews) | 
| **HIPAA Compliance** | Not enough data | Not enough data | 7.2 (13 reviews) | 
| **GDPR Compliance** | Not enough data | Not enough data | 7.3 (11 reviews) | 

### Online Form Builder

| Product | Score | Reviews |
|---|---|---|
| **Bird** | N/A | N/A |
| **Klaviyo** | 7.4/10 | 6 |
| **Twilio** | N/A | N/A |

#### Customization

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Custom Fields** | Not enough data | Not enough data | Not enough data | 
| **Conditional Logic** | Not enough data | 8.6 (6 reviews) | Not enough data | 
| **Multi-page Forms** | Not enough data | 7.0 (5 reviews) | Not enough data | 
| **Design** | Not enough data | 6.7 (5 reviews) | Not enough data | 

#### Additional Functionality

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Embedded Forms** | Not enough data | 7.0 (5 reviews) | Not enough data | 
| **Offline Capability** | Not enough data | 7.7 (5 reviews) | Not enough data | 
| **Notifications** | Not enough data | Not enough data | Not enough data | 
| **Payments** | Not enough data | Not enough data | Not enough data | 
| **Mobile Forms** | Not enough data | Not enough data | Not enough data | 

### Cloud PBX Platforms

| Product | Score | Reviews |
|---|---|---|
| **Bird** | N/A | N/A |
| **Klaviyo** | N/A | N/A |
| **Twilio** | 4.9/10 | 5 |

#### Basic Communication - Cloud PBX

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Call Management** | Not enough data | Not enough data | 4.7 (5 reviews) | 
| **Communication Management** | Not enough data | Not enough data | 5.0 (5 reviews) | 
| **Scalability** | Not enough data | Not enough data | 5.0 (5 reviews) | 
| **Integrations** | Not enough data | Not enough data | 5.7 (5 reviews) | 
| **Mobile Accessibility** | Not enough data | Not enough data | 5.3 (5 reviews) | 
| **Accessibility** | Not enough data | Not enough data | 5.3 (5 reviews) | 

#### Advanced Features - Cloud PBX

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Security and Compliance** | Not enough data | Not enough data | 4.7 (5 reviews) | 
| **Analytics and Reporting** | Not enough data | Not enough data | 4.3 (5 reviews) | 
| **Support and Reliability** | Not enough data | Not enough data | 3.7 (5 reviews) | 
| **Automated attendant** | Not enough data | Not enough data | 5.0 (5 reviews) | 

### WhatsApp Marketing

| Product | Score | Reviews |
|---|---|---|
| **Bird** | N/A | N/A |
| **Klaviyo** | N/A | N/A |
| **Twilio** | N/A | N/A |

#### WhatsApp Messaging - WhatsApp Marketing

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Transactional Messages** | Not enough data | Not enough data | Not enough data | 
| **Bulk WhatsApp Messaging** | Not enough data | Not enough data | Not enough data | 
| **Conversational Messaging** | Not enough data | Not enough data | Not enough data | 
| **Personalization** | Not enough data | Not enough data | Not enough data | 
| **Promotional Messages** | Not enough data | Not enough data | Not enough data | 
| **Automated Replies** | Not enough data | Not enough data | Not enough data | 

#### WhatsApp Business Platform - WhatsApp Marketing

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Segmentation** | Not enough data | Not enough data | Not enough data | 
| **API Integration** | Not enough data | Not enough data | Not enough data | 
| **WhatsApp Commerce** | Not enough data | Not enough data | Not enough data | 
| **Analytics** | Not enough data | Not enough data | Not enough data | 

### VoIP Providers

| Product | Score | Reviews |
|---|---|---|
| **Bird** | N/A | N/A |
| **Klaviyo** | N/A | N/A |
| **Twilio** | N/A | N/A |

#### Platform Basics - VoIP Providers

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **PBX systems, VoIP Softphone** | Not enough data | Not enough data | Not enough data | 
| **Call Management** | Not enough data | Not enough data | Not enough data | 
| **Network monitoring** | Not enough data | Not enough data | Not enough data | 
| **Integrations** | Not enough data | Not enough data | Not enough data | 
| **Virtual PBX** | Not enough data | Not enough data | Not enough data | 
| **SIP trunking services** | Not enough data | Not enough data | Not enough data | 

#### Basic Communication

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Phone Calls** | Not enough data | Not enough data | Not enough data | 
| **Video Calls** | Not enough data | Not enough data | Not enough data | 
| **Instant Messaging** | Not enough data | Not enough data | Not enough data | 
| **Screen Sharing** | Not enough data | Not enough data | Not enough data | 
| **Conference Calls** | Not enough data | Not enough data | Not enough data | 
| **Desk-to-Desk Calls** | Not enough data | Not enough data | Not enough data | 

#### Agentic AI - VoIP Providers

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | 

#### Access

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Software Pairing** | Not enough data | Not enough data | Not enough data | 
| **Browser Extension** | Not enough data | Not enough data | Not enough data | 
| **Individual Download** | Not enough data | Not enough data | Not enough data | 

#### Advanced Features

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Hold Music** | Not enough data | Not enough data | Not enough data | 
| **Automated Attendants** | Not enough data | Not enough data | Not enough data | 
| **VOiP Number** | Not enough data | Not enough data | Not enough data | 

### Personalization

| Product | Score | Reviews |
|---|---|---|
| **Bird** | N/A | N/A |
| **Klaviyo** | 6.9/10 | 17 |
| **Twilio** | N/A | N/A |

#### Agentic AI - Personalization

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | 6.9 (14 reviews) | Not enough data | 
| **Cross-system Integration** | Not enough data | 7.0 (14 reviews) | Not enough data | 
| **Adaptive Learning** | Not enough data | 6.9 (15 reviews) | Not enough data | 
| **Natural Language Interaction** | Not enough data | 6.8 (14 reviews) | Not enough data | 
| **Proactive Assistance** | Not enough data | 6.3 (14 reviews) | Not enough data | 
| **Decision Making** | Not enough data | 7.4 (16 reviews) | Not enough data | 

### RCS Business Messaging

| Product | Score | Reviews |
|---|---|---|
| **Bird** | N/A | N/A |
| **Klaviyo** | N/A | N/A |
| **Twilio** | N/A | N/A |

#### Messaging - RCS Business Messaging

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Personalization** | Not enough data | Not enough data | Not enough data | 
| **Rich Media** | Not enough data | Not enough data | Not enough data | 
| **Interactive Messages** | Not enough data | Not enough data | Not enough data | 
| **Branded Templates** | Not enough data | Not enough data | Not enough data | 
| **Automation** | Not enough data | Not enough data | Not enough data | 
| **Conversational RCS** | Not enough data | Not enough data | Not enough data | 
| **Transactional RCS** | Not enough data | Not enough data | Not enough data | 
| **Promotional RCS** | Not enough data | Not enough data | Not enough data | 

#### Security / Verification - RCS Business Messaging

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Verified Sender** | Not enough data | Not enough data | Not enough data | 
| **Encryption** | Not enough data | Not enough data | Not enough data | 
| **Authentification** | Not enough data | Not enough data | Not enough data | 

#### Analytics / Deliverability - RCS Business Messaging

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Read Receipts** | Not enough data | Not enough data | Not enough data | 
| **Analytics** | Not enough data | Not enough data | Not enough data | 
| **SMS Fallback** | Not enough data | Not enough data | Not enough data | 

#### AI - RCS Business Messaging

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **AI** | Not enough data | Not enough data | Not enough data | 

### AI Marketing Agents

| Product | Score | Reviews |
|---|---|---|
| **Bird** | N/A | N/A |
| **Klaviyo** | N/A | N/A |
| **Twilio** | N/A | N/A |

#### Performance Optimization & Learning - AI Marketing Agents

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Send-Time Optimization** | Not enough data | Not enough data | Not enough data | 
| **Autonomous A/B Testing** | Not enough data | Not enough data | Not enough data | 

#### Autonomous Campaign Orchestration - AI Marketing Agents 

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **End-to-End Campaign Execution** | Not enough data | Not enough data | Not enough data | 
| **Goal-Based Campaign Planning** | Not enough data | Not enough data | Not enough data | 
| **Cross-Channel Orchestration** | Not enough data | Not enough data | Not enough data | 
| **Conversational Campaign Setup** | Not enough data | Not enough data | Not enough data | 
| **Real-Time Campaign Adaptation** | Not enough data | Not enough data | Not enough data | 

#### AI Content Generation - AI Marketing Agents 

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Dynamic Content Optimization** | Not enough data | Not enough data | Not enough data | 
| **AI Copy Generation** | Not enough data | Not enough data | Not enough data | 
| **Personalized Content Creation** | Not enough data | Not enough data | Not enough data | 

#### Audience Intelligence & Segmentation - AI Marketing Agents 

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Lookalike Audience Modeling** | Not enough data | Not enough data | Not enough data | 
| **Behavioral Triggering** | Not enough data | Not enough data | Not enough data | 
| **Predictive Audience Segmentation** | Not enough data | Not enough data | Not enough data | 

#### Integrations & Data Connectivity - AI Marketing Agents 

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Event & Data Ingestion** | Not enough data | Not enough data | Not enough data | 
| **CRM & CDP Integration** | Not enough data | Not enough data | Not enough data | 

### Mobile Marketing

| Product | Score | Reviews |
|---|---|---|
| **Bird** | N/A | N/A |
| **Klaviyo** | N/A | N/A |
| **Twilio** | N/A | N/A |

#### Analysis

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Application Attribution** | Not enough data | Not enough data | Not enough data | 
| **Campaign Analysis** | Not enough data | Not enough data | Not enough data | 
| **Uninstall Tracking** | Not enough data | Not enough data | Not enough data | 
| **Custom Dashboards** | Not enough data | Not enough data | Not enough data | 

#### Campaigns

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Proximity Marketing** | Not enough data | Not enough data | Not enough data | 
| **Push Notifications** | Not enough data | Not enough data | Not enough data | 
| **Bulk SMS** | Not enough data | Not enough data | Not enough data | 
| **Two-Way Text Messaging** | Not enough data | Not enough data | Not enough data | 
| **Email Campaigns** | Not enough data | Not enough data | Not enough data | 
| **Audience Segmentation** | Not enough data | Not enough data | Not enough data | 

#### Engagement

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Coupons and Promotions** | Not enough data | Not enough data | Not enough data | 

#### Platform

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Optimization** | Not enough data | Not enough data | Not enough data | 
| **Integrations - Mobile Marketing** | Not enough data | Not enough data | Not enough data | 
| **Internationalization** | Not enough data | Not enough data | Not enough data | 

#### Agentic AI - Mobile Marketing

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Multi-step Planning** | Not enough data | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | Not enough data | 

### Marketing Analytics

| Product | Score | Reviews |
|---|---|---|
| **Bird** | N/A | N/A |
| **Klaviyo** | 7.8/10 | 27 |
| **Twilio** | N/A | N/A |

#### Marketing Operations

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **ROI Tracking** | Not enough data | 8.5 (19 reviews) | Not enough data | 
| **Data Collection** | Not enough data | 8.4 (18 reviews) | Not enough data | 
| **Customer Insights** | Not enough data | 8.8 (20 reviews) | Not enough data | 
| **Multi-User Access** | Not enough data | 8.8 (17 reviews) | Not enough data | 
| **Spend Management** | Not enough data | 7.3 (16 reviews) | Not enough data | 
| **White Label** | Not enough data | 7.6 (15 reviews) | Not enough data | 

#### Campaign Activity

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Campaign Insights** | Not enough data | 8.1 (18 reviews) | Not enough data | 
| **Reports and Dashboards** | Not enough data | 8.5 (23 reviews) | Not enough data | 
| **Campaign Stickiness** | Not enough data | 8.1 (17 reviews) | Not enough data | 
| **Multichannel Tracking** | Not enough data | 7.5 (17 reviews) | Not enough data | 
| **Brand Optimization** | Not enough data | 8.1 (17 reviews) | Not enough data | 
| **Predictive Analytics** | Not enough data | 8.1 (16 reviews) | Not enough data | 

#### Agentic AI - Marketing Analytics

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | 7.6 (7 reviews) | Not enough data | 
| **Cross-system Integration** | Not enough data | 7.6 (7 reviews) | Not enough data | 
| **Proactive Assistance** | Not enough data | 7.9 (8 reviews) | Not enough data | 

### AI Agents

| Product | Score | Reviews |
|---|---|---|
| **Bird** | N/A | N/A |
| **Klaviyo** | N/A | N/A |
| **Twilio** | N/A | N/A |

#### Agentic AI - AI Agents

| Feature | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Multi-step Planning** | Not enough data | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | Not enough data | 
| **Natural Language Interaction** | Not enough data | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | Not enough data | 

---
## Categories
**Shared Categories (2):** [WhatsApp Marketing Software](https://www.g2.com/categories/whatsapp-marketing), [SMS Marketing Software](https://www.g2.com/categories/sms-marketing)

**Unique to Bird (2):** [Communication Platform as a Service (cPaaS) Platforms](https://www.g2.com/categories/communication-platform-as-a-service-cpaas), [Mobile Marketing Software](https://www.g2.com/categories/mobile-marketing)

**Unique to Klaviyo (13):** [AI Marketing Agents Software](https://www.g2.com/categories/ai-marketing-agents), [Pop-Up Builder Software](https://www.g2.com/categories/pop-up-builder), [Email Template Builder Software](https://www.g2.com/categories/email-template-builder), [Personalization Software](https://www.g2.com/categories/personalization), [Email Deliverability Tools](https://www.g2.com/categories/email-deliverability), [Conversational Marketing Software](https://www.g2.com/categories/conversational-marketing), [Customer Journey Analytics Software](https://www.g2.com/categories/customer-journey-analytics), [Customer Data Platforms (CDP)](https://www.g2.com/categories/customer-data-platform-cdp), [Marketing Analytics Software](https://www.g2.com/categories/marketing-analytics), [Review Management Software](https://www.g2.com/categories/review-management-software), [Marketing Automation Software](https://www.g2.com/categories/marketing-automation), [Online Form Builder Software](https://www.g2.com/categories/online-form-builder), [ RCS Business Messaging Software](https://www.g2.com/categories/rcs-business-messaging)

**Unique to Twilio (5):** [ RCS Business Messaging Software](https://www.g2.com/categories/rcs-business-messaging), [Cloud PBX Platforms Software](https://www.g2.com/categories/cloud-pbx-platforms), [Video Platform as a Service (VPaaS) Software](https://www.g2.com/categories/video-platform-as-a-service-vpaas), [Communication Platform as a Service (cPaaS) Platforms](https://www.g2.com/categories/communication-platform-as-a-service-cpaas), [VoIP Providers](https://www.g2.com/categories/voip-providers)


---
## Reviewer Demographics

### By Company Size

| Segment | Bird | Klaviyo | Twilio | 
|---|---|---|---|
| **Small-Business** | 78.3% | 82.2% | 51.4% | 
| **Mid-Market** | 17.4% | 16.1% | 30.3% | 
| **Enterprise** | 4.3% | 1.7% | 18.3% | 

### By Industry

#### Bird

- **Computer Software:** 14.5%
- **Information Technology and Services:** 14.5%
- **Leisure, Travel & Tourism:** 7.2%
- **Financial Services:** 5.8%
- **Non-Profit Organization Management:** 5.8%
- **Construction:** 2.9%
- **Consumer Electronics:** 2.9%
- **Hospital & Health Care:** 2.9%
- **Electrical/Electronic Manufacturing:** 2.9%
- **Market Research:** 2.9%
- **Other:** 37.7%

#### Klaviyo

- **Retail:** 19.3%
- **Marketing and Advertising:** 12.7%
- **Apparel & Fashion:** 12.5%
- **Consumer Goods:** 11.5%
- **Health, Wellness and Fitness:** 7.2%
- **Food & Beverages:** 4.6%
- **Cosmetics:** 2.8%
- **Luxury Goods & Jewelry:** 2.2%
- **Sporting Goods:** 1.6%
- **Consumer Electronics:** 1.5%
- **Other:** 24.0%

#### Twilio

- **Computer Software:** 17.5%
- **Information Technology and Services:** 11.3%
- **Marketing and Advertising:** 6.8%
- **Financial Services:** 5.2%
- **Internet:** 4.8%
- **Health, Wellness and Fitness:** 4.5%
- **Telecommunications:** 3.9%
- **Real Estate:** 2.7%
- **Hospital & Health Care:** 2.5%
- **Non-Profit Organization Management:** 2.5%
- **Other:** 38.3%

---
## Alternatives

### Alternatives to Bird

- [Plivo](https://www.g2.com/products/plivo/reviews) — 4.5/5 stars (747 reviews)
- [Vonage Communications APIs](https://www.g2.com/products/vonage-communications-apis/reviews) — 4.2/5 stars (404 reviews)
- [Infobip](https://www.g2.com/products/infobip/reviews) — 4.3/5 stars (58 reviews)
- [Telnyx CPaaS](https://www.g2.com/products/telnyx-cpaas/reviews) — 4.7/5 stars (525 reviews)
- [Bandwidth](https://www.g2.com/products/bandwidth-bandwidth/reviews) — 4.4/5 stars (504 reviews)
- [Podium](https://www.g2.com/products/podium/reviews) — 4.6/5 stars (2096 reviews)
- [Wati](https://www.g2.com/products/wati/reviews) — 4.6/5 stars (481 reviews)
- [Braze](https://www.g2.com/products/braze/reviews) — 4.5/5 stars (1680 reviews)
- [Insider One](https://www.g2.com/products/insider-one/reviews) — 4.8/5 stars (1357 reviews)
- [Brevo Marketing Platform](https://www.g2.com/products/brevo-marketing-platform/reviews) — 4.5/5 stars (2566 reviews)

### Alternatives to Klaviyo

- [ActiveCampaign](https://www.g2.com/products/activecampaign/reviews) — 4.4/5 stars (14689 reviews)
- [Braze](https://www.g2.com/products/braze/reviews) — 4.5/5 stars (1680 reviews)
- [Dotdigital](https://www.g2.com/products/dotdigital/reviews) — 4.4/5 stars (1203 reviews)
- [Agentforce Marketing (formerly Salesforce Marketing Cloud)](https://www.g2.com/products/agentforce-marketing-formerly-salesforce-marketing-cloud/reviews) — 4.0/5 stars (4462 reviews)
- [Iterable](https://www.g2.com/products/iterable/reviews) — 4.4/5 stars (824 reviews)
- [Bloomreach](https://www.g2.com/products/bloomreach-bloomreach/reviews) — 4.6/5 stars (764 reviews)
- [Ortto](https://www.g2.com/products/ortto/reviews) — 4.4/5 stars (622 reviews)
- [HubSpot Marketing Hub](https://www.g2.com/products/hubspot-marketing-hub/reviews) — 4.4/5 stars (14757 reviews)
- [Insider One](https://www.g2.com/products/insider-one/reviews) — 4.8/5 stars (1357 reviews)
- [SAP Engagement Cloud (formerly SAP Emarsys)](https://www.g2.com/products/sap-engagement-cloud-formerly-sap-emarsys/reviews) — 4.2/5 stars (624 reviews)

### Alternatives to Twilio

- [Plivo](https://www.g2.com/products/plivo/reviews) — 4.5/5 stars (747 reviews)
- [MSG91](https://www.g2.com/products/msg91/reviews) — 4.5/5 stars (199 reviews)
- [Vonage Communications APIs](https://www.g2.com/products/vonage-communications-apis/reviews) — 4.2/5 stars (404 reviews)
- [Podium](https://www.g2.com/products/podium/reviews) — 4.6/5 stars (2096 reviews)
- [Telnyx CPaaS](https://www.g2.com/products/telnyx-cpaas/reviews) — 4.7/5 stars (525 reviews)
- [Bandwidth](https://www.g2.com/products/bandwidth-bandwidth/reviews) — 4.4/5 stars (504 reviews)
- [Wati](https://www.g2.com/products/wati/reviews) — 4.6/5 stars (481 reviews)
- [3CX](https://www.g2.com/products/3cx/reviews) — 4.4/5 stars (546 reviews)
- [Infobip](https://www.g2.com/products/infobip/reviews) — 4.3/5 stars (58 reviews)
- [Aircall](https://www.g2.com/products/aircall/reviews) — 4.4/5 stars (1585 reviews)

---
## Top Discussions

### Bird

- Title: [Help Center](https://www.g2.com/discussions/support-7283bd03-8fbc-4b4a-bc33-0d1748b3ec9b) — 1 comment, 1 upvote *(includes official response)*
  > **Top comment:** "Explore our Help Center where your most common questions are answered:

https://support.messagebird.com/hc/en-us"

### Klaviyo

- Title: [What is UTM tracking Klaviyo?](https://www.g2.com/discussions/what-is-utm-tracking-klaviyo) — 3 comments
  > **Top comment:** "You can add Google Analytics utm tracking data to your emails sent in Klayvio. This can be automated."
- Title: [how can i know the language for my clients](https://www.g2.com/discussions/13491-how-can-i-know-the-language-for-my-clients) — 3 comments, 1 upvote
  > **Top comment:** "You need to add a dynamic in your website when collecting data then use a segmentatino of your data into language preferences based on the tick..."
- Title: [What is Klaviyo used for?](https://www.g2.com/discussions/what-is-klaviyo-used-for) — 2 comments
  > **Top comment:** "It is a tool for email  marketing."
- Title: [Does Klaviyo integrate with Shopify?](https://www.g2.com/discussions/does-klaviyo-integrate-with-shopify) — 2 comments
  > **Top comment:** "Yes"
- Title: [Are their pre-built flows available?](https://www.g2.com/discussions/13499-are-their-pre-built-flows-available) — 2 comments, 1 upvote
  > **Top comment:** "You can set up any combination of new flows and even run split tests on  those in a flow. They also have video tutorials to do this."

### Twilio

- Title: [Is it possible to do automated skype message using twilio](https://www.g2.com/discussions/is-it-possible-to-do-automated-skype-message-using-twilio) — 2 comments, 1 upvote
  > **Top comment:** "There's no specific API for sending Skype messages, like there is for WhatsApp for example, BUT you could use the Programmable SMS API to send an SMS to a..."
- Title: [What is Twilio used for?](https://www.g2.com/discussions/what-is-twilio-used-for) — 1 comment
  > **Top comment:** "As a Whatsapp Business provider"
- Title: [Is twilio reliable?](https://www.g2.com/discussions/is-twilio-reliable) — 1 comment
  > **Top comment:** "Never had an issue in more than 3 years using it that impacted my business in a significative way"
- Title: [What is the use of twilio?](https://www.g2.com/discussions/what-is-the-use-of-twilio) — 1 comment
  > **Top comment:** "using Twilio as one of my cloud pabx alternatives."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/messagebird-bird-vs-klaviyo-vs-twilio)