Compare Customer.io and Twilio 
Featured Products
At a Glance
Market Segments
Small-Business (59.0% of reviews)
Small-Business (51.6% of reviews)
Entry-Level Pricing
Starting at $100.00 Per Month
No pricing available
Customer.io
Star Rating
(821)4.4 out of 5
Market Segments
Small-Business (59.0% of reviews)
Pros & Cons
Entry-Level Pricing
Starting at $100.00 Per Month
Free Trial is available
Browse all 3 pricing plansTwilio
Star Rating
(518)4.1 out of 5
Market Segments
Small-Business (51.6% of reviews)
Pros & Cons
Entry-Level Pricing
No pricing available
Learn more about TwilioSummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- G2 reviewers report that Twilio excels in API integration, with users highlighting its clear documentation and reliable message delivery. This makes it a strong choice for businesses looking to implement SMS, OTP, and notifications seamlessly.
- Users say that Customer.io stands out for its customization capabilities, particularly through its Visual Workflow Builder. Reviewers appreciate how it allows them to create complex logic-based flows effortlessly, enhancing their marketing automation strategies.
- According to verified reviews, Twilio's implementation process is praised for being quick and straightforward, with users noting the ease of triggering communications directly from platforms like Salesforce, which reduces manual management efforts.
- Reviewers mention that Customer.io is continuously evolving, with recent updates introducing AI features and improvements to the email design experience. This adaptability is seen as a significant advantage for teams that require robust and flexible marketing tools.
- Users highlight that while Twilio has a solid performance in terms of reliability, Customer.io receives higher marks for overall user satisfaction, as reflected in its G2 Score and detailed ratings, indicating a more favorable experience for many users.
- G2 reviewers note that Customer.io's support quality is rated higher than Twilio's, with users appreciating the responsive assistance and resources available, which can be crucial for teams needing timely help during implementation and ongoing use.
Pricing
Entry-Level Pricing
Customer.io
Essentials
Starting at $100.00
Per Month
For small companies who are gaining momentum.
- Send emails, push, in-app, SMS, webhooks
- Track custom events and attributes
- Visual workflow builder
Twilio
No pricing availableFree Trial
Customer.io
Free Trial is available
Twilio
Free Trial is available
Ratings
Meets Requirements
8.7
660
8.7
374
Ease of Use
8.3
681
8.2
382
Ease of Setup
7.9
473
7.7
221
Ease of Admin
8.6
278
7.9
196
Quality of Support
8.6
588
7.8
340
Has the product been a good partner in doing business?
9.0
277
8.0
187
Product Direction (% positive)
9.1
654
8.3
362
Features by Category
Email Marketing
8.8
445
|
Verified
Not enough data
8.8
423
|
Verified
Not enough data
8.4
392
|
Verified
Not enough data
8.4
384
|
Verified
Not enough data
Online Marketing
6.3
330
Not enough data
8.0
358
|
Verified
Not enough data
8.4
383
|
Verified
Not enough data
7.9
360
|
Verified
Not enough data
Feature Not Available
Not enough data
Lead Management
7.4
334
|
Verified
Not enough data
7.6
329
Not enough data
8.6
402
|
Verified
Not enough data
6.8
309
Not enough data
7.6
335
|
Verified
Not enough data
7.3
333
|
Verified
Not enough data
7.3
313
Not enough data
7.3
322
|
Verified
Not enough data
Campaign Management
7.7
343
Not enough data
7.0
319
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Social
Feature Not Available
Not enough data
6.6
305
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Reporting & Analytics
7.8
388
|
Verified
Not enough data
6.9
331
|
Verified
Not enough data
6.5
320
Not enough data
6.3
309
Not enough data
Feature Not Available
Not enough data
Platform
8.3
375
|
Verified
Not enough data
8.6
390
|
Verified
Not enough data
8.5
357
|
Verified
Not enough data
7.7
331
|
Verified
Not enough data
7.7
347
|
Verified
Not enough data
8.7
375
|
Verified
Not enough data
7.2
312
|
Verified
Not enough data
Agentic AI - Marketing Automation
6.3
68
Not enough data
6.5
69
Not enough data
6.8
63
Not enough data
6.3
64
Not enough data
6.3
66
Not enough data
6.3
67
Not enough data
Integration
8.3
376
|
Verified
Not enough data
8.3
383
|
Verified
Not enough data
7.6
343
|
Verified
Not enough data
Administration
8.1
267
Not enough data
7.4
235
Not enough data
8.1
252
Not enough data
8.9
267
Not enough data
7.7
237
Not enough data
7.8
243
Not enough data
Integrations
8.6
237
Not enough data
8.5
240
Not enough data
8.4
205
Not enough data
7.2
178
Not enough data
Platform
8.2
210
Not enough data
8.2
205
Not enough data
7.9
200
Not enough data
8.2
240
|
Verified
Not enough data
7.8
218
Not enough data
8.2
243
Not enough data
7.9
216
Not enough data
8.8
240
Not enough data
Campaigns
8.6
114
Not enough data
8.7
111
Not enough data
8.3
106
Not enough data
8.8
119
Not enough data
8.8
113
Not enough data
Analytics
8.3
114
Not enough data
7.6
104
Not enough data
Optimization
8.5
111
Not enough data
8.8
113
Not enough data
8.0
109
Not enough data
8.4
111
Not enough data
Agentic AI - Push Notification
6.4
14
Not enough data
6.9
14
Not enough data
6.5
14
Not enough data
Text Messaging
8.5
84
Not enough data
Feature Not Available
Not enough data
8.3
79
Not enough data
Feature Not Available
Not enough data
6.8
74
Not enough data
6.5
76
Not enough data
8.7
86
Not enough data
8.2
78
Not enough data
SMS Platform
7.5
81
Not enough data
8.3
84
Not enough data
7.2
72
Not enough data
6.2
70
Not enough data
6.7
70
Not enough data
8.3
82
Not enough data
Agentic AI - SMS Marketing
6.4
17
Not enough data
6.4
17
Not enough data
7.5
17
Not enough data
7.2
17
Not enough data
7.0
17
Not enough data
6.7
18
Not enough data
Data Sourcing
7.5
91
Not enough data
7.7
93
Not enough data
7.3
95
Not enough data
8.2
93
Not enough data
Intelligence
7.3
89
Not enough data
5.8
87
Not enough data
5.8
85
Not enough data
Functionality
Not enough data
8.1
113
|
Verified
Not enough data
8.3
104
|
Verified
Not enough data
8.3
109
|
Verified
Support
Not enough data
7.5
108
|
Verified
Not enough data
Feature Not Available
Not enough data
6.9
110
|
Verified
API Features
Not enough data
6.7
12
Not enough data
6.7
12
Not enough data
6.7
13
Not enough data
7.3
11
Not enough data
7.0
11
Security and Compliance
Not enough data
6.5
11
Not enough data
6.7
11
Not enough data
7.2
13
Not enough data
7.3
11
Basic Communication - Cloud PBX
Not enough data
4.7
5
Not enough data
5.0
5
Not enough data
5.0
5
Not enough data
5.7
5
Not enough data
5.3
5
Not enough data
5.3
5
Advanced Features - Cloud PBX
Not enough data
4.7
5
Not enough data
4.3
5
Not enough data
3.7
5
Not enough data
5.0
5
WhatsApp Messaging - WhatsApp Marketing
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
WhatsApp Business Platform - WhatsApp Marketing
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Platform Basics - VoIP Providers
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Basic Communication
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Agentic AI - VoIP Providers
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Access
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Advanced Features
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Agentic AI - Personalization
5.5
33
Not enough data
6.3
33
Not enough data
5.7
32
Not enough data
5.7
32
Not enough data
5.4
32
Not enough data
5.5
33
Not enough data
Messaging - RCS Business Messaging
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Security / Verification - RCS Business Messaging
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Analytics / Deliverability - RCS Business Messaging
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
AI - RCS Business Messaging
Not enough data
Not enough data
Analysis
Feature Not Available
Not enough data
8.0
68
Not enough data
6.2
55
Not enough data
Feature Not Available
Not enough data
Campaigns
7.3
56
Not enough data
8.0
62
Not enough data
7.4
62
Not enough data
Feature Not Available
Not enough data
9.3
69
Not enough data
9.2
70
Not enough data
Engagement
6.9
53
Not enough data
Platform
8.0
61
Not enough data
Feature Not Available
Not enough data
7.6
59
Not enough data
Agentic AI - Mobile Marketing
6.7
6
Not enough data
7.2
6
Not enough data
6.1
6
Not enough data
6.7
6
Not enough data
6.4
6
Not enough data
6.9
6
Not enough data
Categories
Categories
Shared Categories
Customer.io and Twilio are categorized as SMS Marketing
Unique Categories
Customer.io is categorized as Personalization, Push Notification, Transactional Email, Mobile Marketing, Marketing Automation, and Customer Data Platform (CDP)
Twilio is categorized as RCS Business Messaging, WhatsApp Marketing, Cloud PBX Platforms, Video Platform as a Service (VPaaS), Communication Platform as a Service (CPaaS), and VoIP Providers
Reviews
Reviewers' Company Size
Customer.io
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Twilio
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Small-Business
(50 or fewer emp.)
Mid-Market
(51-1000 emp.)
Enterprise
(> 1000 emp.)
Reviewers' Industry
Computer Software
14.8%
Financial Services
13.4%
Information Technology and Services
9.1%
Marketing and Advertising
8.1%
Health, Wellness and Fitness
5.3%
Other
49.4%
Computer Software
17.5%
Information Technology and Services
11.2%
Marketing and Advertising
6.8%
Financial Services
5.0%
Internet
4.8%
Other
54.7%
Discussions
What is Customer.io used for?
1 Comment
AN
customer.io is an incredibly feature-packed combination of user messaging services into one platform.Read more
Is it available in Bangladesh?
1 Comment
G2
Visit ClimaxRecovery or send an email to info@climaxrecovery.com +1 909 248 4443
Provide all necessary information
Recovery process starts, and your...Read more
What is the best way to make automations a smoother process?
1 Comment
RJ
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...Read more
Is it possible to do automated skype message using twilio
2 Comments
JJ
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...Read more
Is twilio reliable?
1 Comment
LR
Never had an issue in more than 3 years using it that impacted my business in a significative wayRead more
Hunting for software insights?
With over 3 million reviews, we can provide the specific details that help you make an informed software buying decision for your business. Finding the right product is important, let us help.
Your software and services insights are valuable.
Your peers come to G2 to get an inside look at and other business solutions. Adding perspective on will help others pick the right solution based on real user experience.
