Customer.io Customer Reviews 2025 | Email Marketing

This content is currently locked.

Your current Info-Tech Research Group subscription does not include access to this content. Contact your account representative to gain access to Premium SoftwareReviews.

Contact Your Representative

Or Call Us:
+1-888-670-8889 (US/CAN) or
+1-703-340-1171 (International)

Customer.io

Composite Score

7.4 /10

CX Score

7.6 /10

7 Reviews Write a Review

What is Customer.io?

With Customer.io, send targeted emails, push notifications, and SMS to lower churn, create stronger relationships, and drive subscriptions.

Company Details

Need Assistance?

We're here to help you with understanding our reports and the data inside to help you make decisions.

Get Assistance

Customer.io Ratings

Real user data aggregated to summarize the product performance and customer experience.

Product scores listed below represent current data. This may be different from data contained in reports and awards, which express data as of their publication date.

92 Likeliness to Recommend

95 Plan to Renew

84 Satisfaction of Cost Relative to Value

{y}

{name}

Emotional Footprint Overview

Product scores listed below represent current data. This may be different from data contained in reports and awards, which express data as of their publication date.

+92 Net Emotional Footprint

The emotional sentiment held by end users of the software based on their experience with the vendor. Responses are captured on an eight-point scale.

How much do users love Customer.io?

15% Negative

0% Neutral

85% Positive

Pros

Reliable
Trustworthy
Efficient Service
Effective Service

Feature Ratings

Average 84

Contact Database

A/B Testing

Basic Reporting and Analytics

Sales Intelligence & Conversion Rates

Content Authoring

Mobile Optimized

Dynamic Content

Email Templates

Segmentation

Auto-Responders

Email Delivery

Vendor Capability Ratings

Average 80

Ease of Implementation

Vendor Support

Breadth of Features

Ease of IT Administration

Quality of Features

Ease of Customization

Product Strategy and Rate of Improvement

Availability and Quality of Training

Business Value Created

Usability and Intuitiveness

Ease of Data Integration

Customer.io Reviews

Ryan C.

Role: Sales Marketing
Industry: Agriculture
Involvement: IT Leader or Manager

Validated Review

Verified Reviewer

Submitted Jun 2024

Intuitive and easy to use

Likeliness to Recommend

10 /10

What differentiates Customer.io from other similar products?

Possibility of sending leads to different platforms

What is your favorite aspect of this product?

Possibility of knowing how my contacts are doing, what kind of openings we've had and the rate at which they're sent out

What do you dislike most about this product?

platform is always innovating and sometimes they go through installs

What recommendations would you give to someone considering this product?

Prioritize the flow of cadence in your decision to know the right time for contact

Pros

Helps Innovate
Continually Improving Product
Reliable
Performance Enhancing

Cons

Vendor Friendly Policies

Kuldeep Singh V.

Role: Information Technology
Industry: Other
Involvement: IT Development, Integration, and Administration

Validated Review

Verified Reviewer

Submitted Feb 2024

Best automation tool to manage customers

Likeliness to Recommend

9 /10

What differentiates Customer.io from other similar products?

first it provides the data approach and omnichannel integrations and management,unlimited triggered campaigns

What is your favorite aspect of this product?

multichannel messaging data first approach automation

What do you dislike most about this product?

pricing is high compare to others sometimes it require developer help to integrate Lacks an ability to schedule messages on a daily, weekly

What recommendations would you give to someone considering this product?

i highly recommended this tool who is managing customers it is very flexibile customer segmentation integrations is seamless with other apps high end email building with automation

Pros

Performance Enhancing
Enables Productivity
Unique Features
Security Protects

Supriya A.

Role: Sales Marketing
Industry: Technology
Involvement: IT Leader or Manager

Validated Review

Verified Reviewer

Submitted Mar 2025

Robust Features but Challenging for Beginners

Likeliness to Recommend

10 /10

What differentiates Customer.io from other similar products?

real-time behavioral data tracking

What is your favorite aspect of this product?

"Real-Time Behavioral Data for Highly Personalized Messaging

What do you dislike most about this product?

"Steep Learning Curve and Limited Advanced Automation Options

What recommendations would you give to someone considering this product?

Check your IT Ecosystem and go for the plan accordingly.

Pros

Continually Improving Product
Enables Productivity
Trustworthy
Unique Features

Latest Research

Customer.io

What is Customer.io?

Company Details

Need Assistance?

Customer.io Ratings

92 Likeliness to Recommend

95 Plan to Renew

84 Satisfaction of Cost Relative to Value

Emotional Footprint Overview

+92 Net Emotional Footprint

How much do users love Customer.io?

Pros

Feature Ratings Average rating of all product features, some of which may not be shown below

Contact Database The ability for basic CRM capabilities - information about email subscribers, leads, and customers in a centralized location.

A/B Testing A/B or Split Testing allows marketing managers to compare and contrast two or more versions of the same piece of content to maximizing open, click and rates.

Basic Reporting and Analytics The ability to measure metrics related to CRM/emails/campaigns.

Sales Intelligence & Conversion Rates The ability to track conversion rates and ROI from email campaigns.

Content Authoring The ability to create emails including body copy, ability to include graphics and test the content view.

Mobile Optimized The ability to create email content that is easy to read on multiple platforms including mobile devices.

Dynamic Content The ability to create dynamic content changes automatically within emails that are based on the end user parameters and the goals of the marketing initiative.

Email Templates The ability to create and curate email templates based off of approved brand standards.

Segmentation The ability to segregate mailing list based on criteria. Example, demographics, location, target market, existing or new customers.

Auto-Responders The ability to send an automated email to new contacts, interact when subscribers engage with previous emails, and auto-respond when they join a new list.

Email Delivery The ability to send email to large number of recipients at-scale.

Vendor Capability Ratings Average rating of all vendor capabilities, some of which may not be shown below

Ease of Implementation Successfully implementing new software is necessary to realize its full value and promote end user adoption. This data indicates whether or not the product is easy to implement.

Vendor Support The importance of vendor support will vary for each organization depending on internal capabilities, but there will always be issues that only the vendor can resolve.

Breadth of Features Users prefer feature rich software that enables them to perform diverse series of tasks. This data expresses user satisfaction with the product's breadth of features.

Ease of IT Administration This data indicates whether IT personnel will be able to resolve issues and perform configurations efficiently and effectively.

Quality of Features Feature quality is just as important as quantity. Use this data to determine if this product will do what you're purchasing it to do, easily, intuitively, reliably, and effectively.

Ease of Customization Don't get bogged down in a difficult customization; use this data to make sure you can easily achieve the functionality you need for your particular situation.

Product Strategy and Rate of Improvement Vendors who don't stay on top of emerging needs and trends won't enable you to meet your business goals. Use this data to separate innovators from imposters.

Availability and Quality of Training Effective and readily available training enables users to get the most out of the software you've chosen. Use this section to make sure your vendor's training programs and materials measure up.

Business Value Created Software needs to create value for employees, customers, partners, and, ultimately, shareholders. This data expresses user satisfaction - or lack thereof - with the product's business value.

Usability and Intuitiveness End user learning curves cost the organization money. Pay attention to your end users' technical ability to determine how important UX is in your purchase.

Ease of Data Integration Use this data to determine whether the product will cause headaches or make data integration easy.

Customer.io Reviews

Ryan C.

Intuitive and easy to use

Likeliness to Recommend

Pros

Cons

Kuldeep Singh V.

Best automation tool to manage customers

Likeliness to Recommend

Pros

Supriya A.

Robust Features but Challenging for Beginners

Likeliness to Recommend

Pros

Title

Feature Ratings

Contact Database

A/B Testing

Basic Reporting and Analytics

Sales Intelligence & Conversion Rates

Content Authoring

Mobile Optimized

Dynamic Content

Email Templates

Segmentation

Auto-Responders

Email Delivery

Vendor Capability Ratings

Ease of Implementation

Vendor Support

Breadth of Features

Ease of IT Administration

Quality of Features

Ease of Customization

Product Strategy and Rate of Improvement

Availability and Quality of Training

Business Value Created

Usability and Intuitiveness

Ease of Data Integration