Customer.io Customer Reviews 2025 | Email Marketing

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Customer.io

Composite Score

7.4 /10

CX Score

7.6 /10

7 Reviews Write a Review

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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

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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

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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

Role: Sales Marketing
Industry: Technology
Involvement: End User of Application

Validated Review

Anonymous Reviewer

Submitted Sep 2020

Gets the job done, but could be better.

Likeliness to Recommend

7 /10

Pros

Includes Product Enhancements
Reliable
Appreciates Incumbent Status
Security Protects

Cons

Commodity Features
Inhibits Innovation
Less Performance Enhancing

Customer.io

What is Customer.io?

Company Details

Book a Free Demo Today!

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

Gets the job done, but could be better.

Likeliness to Recommend

Pros

Cons

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