Compare Customer.io and Klaviyo 
At a Glance
Market Segments
Small-Business (58.8% of reviews)
Small-Business (82.0% of reviews)
Entry-Level Pricing
Starting at $100.00 Per Month
No pricing available
Customer.io
Star Rating
(732)4.4 out of 5
Market Segments
Small-Business (58.8% of reviews)
Pros & Cons
Entry-Level Pricing
Starting at $100.00 Per Month
Free Trial is available
Browse all 3 pricing plansKlaviyo
Star Rating
(1,306)4.6 out of 5
Market Segments
Small-Business (82.0% of reviews)
Pros & Cons
Entry-Level Pricing
No pricing available
Free Trial is available
Learn more about KlaviyoSummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- G2 reviewers report that Customer.io excels in its flexibility and customization, making it a favorite among developers. Users appreciate the ability to send custom events and attributes, which enhances their marketing strategies significantly.
- Users say that Klaviyo shines in its ease of use, particularly for setting up flows and campaigns. Many find the platform intuitive, allowing them to quickly access data insights tailored to their specific needs, which is a major plus for time-strapped marketers.
- According to verified reviews, Customer.io's Visual Workflow Builder is a standout feature, enabling users to create complex logic-based flows effortlessly. This capability is particularly praised for its accessibility to both technical and non-technical users.
- Reviewers mention that while Klaviyo offers strong customer support, with agents being responsive and helpful, some users have noted that getting in touch with support can take time, which can be frustrating during critical campaign launches.
- G2 reviewers highlight that Customer.io is continuously evolving, with recent updates introducing AI features and enhancements to the email design experience. This commitment to innovation keeps users engaged and satisfied with the platform's capabilities.
- Users report that Klaviyo's contact and campaign management features are straightforward and effective, with clever team roles and permissions that facilitate collaboration. This makes it particularly appealing for small businesses looking to streamline their marketing efforts.
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
Klaviyo
No pricing availableFree Trial
Customer.io
Free Trial is available
Klaviyo
Free Trial is available
Ratings
Meets Requirements
8.7
610
9.0
953
Ease of Use
8.3
623
8.6
960
Ease of Setup
7.9
421
8.5
608
Ease of Admin
8.6
278
8.9
521
Quality of Support
8.7
544
8.4
908
Has the product been a good partner in doing business?
9.0
277
8.9
525
Product Direction (% positive)
9.2
598
8.9
904
Features by Category
Email Marketing
8.8
416
|
Verified
9.0
556
|
Verified
8.8
399
|
Verified
9.3
543
|
Verified
8.4
388
|
Verified
8.9
501
|
Verified
8.3
371
|
Verified
8.9
482
|
Verified
Online Marketing
6.3
330
7.8
380
|
Verified
8.0
354
|
Verified
8.3
402
|
Verified
8.3
379
|
Verified
8.7
435
|
Verified
7.9
358
|
Verified
8.7
451
Feature Not Available
8.2
252
Lead Management
7.4
332
|
Verified
8.5
354
7.6
331
8.4
273
8.6
377
|
Verified
9.0
508
|
Verified
6.8
311
7.8
220
7.6
332
|
Verified
8.5
358
|
Verified
7.3
329
|
Verified
8.5
399
|
Verified
7.3
315
8.4
332
|
Verified
7.3
322
|
Verified
8.2
285
|
Verified
Campaign Management
7.7
338
8.7
348
|
Verified
7.0
320
8.0
199
Feature Not Available
8.1
288
|
Verified
Feature Not Available
7.6
198
Social
Feature Not Available
Feature Not Available
6.5
306
7.8
196
Feature Not Available
7.8
188
Feature Not Available
7.4
183
Feature Not Available
7.8
258
|
Verified
Reporting & Analytics
7.7
374
|
Verified
8.5
487
|
Verified
6.9
332
|
Verified
8.3
416
|
Verified
6.5
322
8.4
426
|
Verified
6.3
311
8.4
441
|
Verified
Feature Not Available
7.6
200
Platform
8.2
369
|
Verified
8.5
334
|
Verified
8.5
366
|
Verified
8.7
315
|
Verified
8.5
358
|
Verified
8.9
317
|
Verified
7.8
329
|
Verified
8.3
208
|
Verified
7.7
347
|
Verified
7.8
194
|
Verified
8.8
359
|
Verified
8.9
320
|
Verified
7.2
312
|
Verified
8.0
160
Agentic AI - Marketing Automation
6.3
66
6.9
26
6.4
67
6.9
24
6.7
62
7.5
25
6.3
64
7.0
23
6.2
63
6.7
25
6.3
66
7.3
25
Integration
8.3
372
|
Verified
8.5
323
|
Verified
8.3
369
|
Verified
8.6
318
|
Verified
7.6
336
|
Verified
8.4
264
|
Verified
Administration
8.1
265
Not enough data
7.4
235
Not enough data
8.1
251
Not enough data
8.9
265
Not enough data
7.7
237
Not enough data
7.8
243
Not enough data
Integrations
8.6
236
Not enough data
8.5
240
Not enough data
8.4
205
Not enough data
7.2
177
Not enough data
Platform
8.2
209
Not enough data
8.2
204
Not enough data
7.9
199
Not enough data
8.2
239
|
Verified
Not enough data
7.8
217
Not enough data
8.2
241
Not enough data
7.9
216
Not enough data
8.8
238
Not enough data
Messenger
Not enough data
7.6
14
Not enough data
6.4
14
Not enough data
6.5
14
Not enough data
6.3
13
Channels
Not enough data
6.4
13
Not enough data
7.4
14
Not enough data
6.5
14
Not enough data
6.3
13
Not enough data
6.9
13
Customers
Not enough data
8.3
14
Not enough data
7.7
14
Not enough data
7.3
13
Not enough data
6.9
13
Not enough data
6.9
14
Agentic AI - Conversational 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
Not enough data
Not enough data
Diagnosis
Not enough data
8.2
29
Not enough data
8.6
30
Not enough data
8.3
31
Not enough data
8.5
31
Tracking
Not enough data
8.3
28
Not enough data
7.9
28
Not enough data
9.0
34
Not enough data
8.7
30
Not enough data
8.5
27
Reporting
Not enough data
9.1
32
Not enough data
8.7
29
Not enough data
8.7
29
Not enough data
8.4
27
Agentic AI - Email Deliverability
Not enough data
8.2
14
Not enough data
8.1
15
Not enough data
8.0
14
Not enough data
7.3
14
Not enough data
8.0
14
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
Templates
Not enough data
8.6
427
|
Verified
Not enough data
Feature Not Available
Not enough data
8.4
348
|
Verified
Not enough data
8.8
259
Edit
Not enough data
8.4
359
|
Verified
Not enough data
8.8
422
|
Verified
Not enough data
8.3
333
|
Verified
Logistics
Not enough data
8.7
428
|
Verified
Not enough data
7.9
340
|
Verified
Not enough data
8.8
402
|
Verified
Not enough data
8.4
198
Generative AI
Not enough data
7.5
65
Not enough data
7.4
51
Agentic AI - Email Template Builder
Not enough data
6.4
19
Not enough data
7.0
19
Text Messaging
8.5
83
8.6
151
Feature Not Available
8.1
101
8.3
79
8.8
133
|
Verified
Feature Not Available
8.3
115
|
Verified
6.8
74
8.7
126
|
Verified
6.5
76
8.5
107
8.7
86
8.9
135
|
Verified
8.2
78
8.7
55
SMS Platform
7.5
81
8.6
135
|
Verified
8.3
84
8.9
135
|
Verified
7.2
72
Feature Not Available
6.2
70
Feature Not Available
6.7
70
8.3
63
8.3
82
8.8
111
|
Verified
Agentic AI - SMS Marketing
6.4
17
6.8
11
6.4
17
6.7
10
7.5
17
6.8
10
7.2
17
6.7
10
7.0
17
6.8
10
6.7
18
7.0
10
Data Sourcing
7.5
92
8.4
76
7.7
94
8.3
68
7.3
96
8.5
96
8.2
94
8.5
91
Intelligence
7.3
90
8.6
105
5.8
87
8.1
73
5.8
86
8.0
68
Design and Customization
Not enough data
9.0
24
Not enough data
8.9
25
Not enough data
9.1
24
Not enough data
8.9
22
Campaigns
Not enough data
8.8
24
Not enough data
8.9
22
Not enough data
8.8
24
Not enough data
8.8
25
Integrations
Not enough data
9.1
23
Not enough data
8.1
19
Not enough data
9.1
25
Not enough data
8.5
20
Generative AI
Not enough data
7.5
20
Agentic AI - Vulnerability Scanner
Not enough data
6.8
10
Not enough data
7.5
10
Platform Basics
Not enough data
9.0
17
Not enough data
9.0
16
Platform Data
Not enough data
8.5
16
Not enough data
8.3
15
Not enough data
8.8
15
Not enough data
8.2
15
Platform Additional Functionality
Not enough data
8.4
16
Not enough data
9.2
14
Not enough data
8.3
14
Agentic AI - Customer Journey Analytics
Not enough data
6.0
5
Not enough data
7.0
5
Not enough data
6.3
5
Not enough data
6.9
6
Collection
Not enough data
7.4
7
Not enough data
8.8
7
Not enough data
8.6
6
Not enough data
8.6
6
Not enough data
7.2
6
Agentic AI - Review Management
Not enough data
Not enough data
Not enough data
Not enough data
Moderation
Not enough data
9.5
7
Not enough data
9.0
5
Not enough data
9.3
5
Use Cases
Not enough data
9.8
9
Not enough data
8.9
6
Not enough data
9.7
5
Administration
Not enough data
9.3
7
Not enough data
8.6
6
Not enough data
8.0
5
Not enough data
8.0
5
Not enough data
8.0
5
Display Options
Not enough data
8.6
6
Not enough data
8.3
7
Not enough data
8.3
6
Not enough data
8.1
6
Generative AI
Not enough data
7.8
6
Customization
Not enough data
Not enough data
Not enough data
8.6
6
Not enough data
7.0
5
Not enough data
6.7
5
Additional Functionality
Not enough data
7.0
5
Not enough data
7.7
5
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
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
Agentic AI - Personalization
5.4
32
6.9
14
6.3
33
7.0
14
5.7
32
6.9
15
5.7
32
6.8
14
5.4
32
6.3
14
5.5
33
7.2
15
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
7.3
61
Not enough data
Feature Not Available
Not enough data
9.3
68
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
Marketing Operations
Not enough data
8.5
19
Not enough data
8.4
18
Not enough data
8.8
20
Not enough data
8.8
17
Not enough data
7.3
16
Not enough data
7.6
15
Campaign Activity
Not enough data
8.1
18
Not enough data
8.5
23
Not enough data
8.1
17
Not enough data
7.5
17
Not enough data
8.1
17
Not enough data
8.1
16
Agentic AI - Marketing Analytics
Not enough data
7.6
7
Not enough data
7.6
7
Not enough data
7.9
8
Categories
Categories
Shared Categories
Customer.io and Klaviyo are categorized as SMS Marketing, Personalization, Marketing Automation, and Customer Data Platform (CDP)
Unique Categories
Reviews
Reviewers' Company Size
Customer.io
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Klaviyo
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
15.0%
Financial Services
13.5%
Information Technology and Services
9.1%
Marketing and Advertising
7.9%
Health, Wellness and Fitness
4.8%
Other
49.7%
Retail
19.2%
Apparel & Fashion
12.7%
Marketing and Advertising
12.5%
Consumer Goods
11.8%
Health, Wellness and Fitness
7.3%
Other
36.5%
Discussions
What is Customer.io used for?
2 Comments
HV
Customer.io is a tool that helps businesses send personalized messages like emails, texts, and app notifications. It’s used to stay connected with customers,...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
how can i know the language for my clients
3 Comments
AJ
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...Read more
What is UTM tracking Klaviyo?
3 Comments
CC
You can add Google Analytics utm tracking data to your emails sent in Klayvio. This can be automated.Read more
Are their pre-built flows available?
2 Comments
AJ
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.Read more
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