Customer.io

Deployment

WindowsMacLinuxAndroidiPhone/iPadWeb-based

Best for

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Overview

About Customer.io

Customer.io is a versatile marketing automation tool for sending relevant messages based on behavior across web and mobile products. Customer.io is an automated messaging platform for tech-savvy marketers who want more control and flexibility to craft and send data-driven emails, push notifications, and SMS messages.

At a glance

Software information

Industries served, licensing and the support Customer.io provides.

Licensing

  • Monthly Payment
  • Free trial

Support

  • Online (Ticket)
  • Business Hours

Training

  • Help Guides
  • Blogs
  • On-Site Training

Knowledge Base

  • Help Guides
  • Blogs
  • On-Site Training

Review analytics

What customers report

5.0
Based on 3 verified reviews
Ease of use5.0
Features & functionality5.0
Customer support4.0
Value for money4.3
Integrations5.0

What users like the most

  • The team is very responsive and works fast to resolve any issues quickly.
  • Integrates easily and is easy to understand and use.
  • Really helped in managing my tasks.

What users like the least

  • I have no issue with it.

What users say

Review Analytics of Customer.io

Every review is verified through Goodfirms before it's published.

5.03 Verified Reviews
Ease of use5.0
Features & functionality5.0
Customer support4.0
Value for money4.3
Integrations5.0
Review Summary
Summarized from 3 verified reviews · Updated September 2026
Customer.io is a behavioral automation platform that users find intuitive and adaptable for marketing and sales workflows. The platform delivers strong results with a lightweight interface and responsive customer support, though it typically requires developer effort to fully customize for specific business needs. Reviewers highlight its event-based messaging capabilities and flexibility as key strengths, positioning it as a capable alternative in the marketing automation space.
✦ AI-generated summary. May not reflect every review.
Detailed Reviews of Customer.io
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What reviewers mention most

Matthew Magnante, Content Writer & Strategist at FitnessVoltVerified Review
Posted on Jan 17, 2023

“Customer.io is one of the more recent entrants, but its rapid expansion makes them a company to watch”

Overall rating5.0
Ease of use5.0
Features & functionality5.0
Customer support4.0
Value for money4.0
Integrations5.0

We FitnessVolt use Customer.io. It is my view we appreciate Customer.io most for its adaptability. This tool will allow you to get exactly what you want. Customer.io is not perfect out of the box, but if you're prepared to invest some developer effort, you can tailor your experience. The user interface and customer support of this program are other noteworthy qualities. Customer.io, unlike previous solutions, is designed to send emails based on events, not just pageviews.

Pete Chatfield, CEO & Founder at Household Money SavingVerified Review
Posted on Jan 16, 2023

“Customer.io is a helpful tool that will give you the results you expect”

Overall rating5.0
Ease of use5.0
Features & functionality5.0
Customer support4.0
Value for money4.0
Integrations5.0

We Household Money Saving use Customer.io. In my opinion, Customer.io is the best marketing automation tool. The adaptability of Customer.io is what sold us on it. Customer.io isn't perfect out of the box, but with little developer time, you can make it work for your business. The quick, individual assistance offered to customers and the tool's lightweight UI are further highlights. Customer.io is a relatively new entrant, but they're making waves in the industry with its rapid expansion. Customer.io was developed to send emails in response to events, not only pageviews, making it superior to many older systems.

Justine WeaverVerified Review
Posted on Sep 15, 2022

“Customer.io is an in-app automated messaging platform for tech-savvy marketers to send relevant messages based on behavior across the web.”

Overall rating5.0
Ease of use5.0
Features & functionality5.0
Customer support4.0
Value for money5.0
Integrations5.0
Amazingly easy to use and brings a lot of value to marketing and sales efforts. Has all the features any salesperson would need. I must admit it is a small business. I love using this tool. I do everything I need to do.

Capabilities

Customer.io features

The full feature set, grouped by module.

Marketing Automation Software

  • Analytics/ROI Tracking
  • Email Marketing
  • Google AdWords Visibility
  • Lead Management
  • Segmentation and Targeting
  • Social Marketing

Email Marketing Software

  • Auto-Responders
  • Automation
  • Drip Campaigns
  • Event Triggered Email
  • Landing Pages/Web Forms
  • Operations Management
  • Templates
  • Subscriber Management

Plans

Customer.io pricing

Price Type
Month
Free Version
No
Payment Frequency
Monthly Payment
Free Trial
30 Days
Standard$150.00 / month

Media

Screenshots & video

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