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Customer.io

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890 reviews
  • 1 profiles
  • 7 categories
Average star rating
4.4
#1 in 2 categories
Grid® leader
Serving customers since
2012
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Customer.io Reviews

Review Filters
Profile Name
Star Rating
573
275
27
6
9
Verified User
G
Verified User
07/23/2026
Validated Reviewer
Review source: Seller invite
Incentivized Review

User-Friendly and Supported by Excellent Customer Service

I think Customer.io is a good tool built by really great people, and I've had the opportunity to get to know their team, which has been nice. The best things have been the customer support, which is always so helpful, making it really easy to figure things out most of the time. Plus, it's generally user-friendly, even for someone who isn't very technical, which I appreciate. Their AI agent and MCP to Claude are total game changers. I feel they've been really ahead on AI.
Onno S.
OS
Onno S.
07/23/2026
Validated Reviewer
Verified Current User
Review source: Seller invite
Incentivized Review

Easy Setup and Helpful Technical Support Agent

The setup was easy, and I really like having an agent who helps me with technical issues. As a non-tech founder, this has helped me a lot and made the whole process much smoother.
Leigh Anastasia M.
LM
Leigh Anastasia M.
07/23/2026
Validated Reviewer
Verified Current User
Review source: G2 invite

Effortless and Reliable Proof of Communication for Cs Support and billing

I really like how simple Customer.io is to use. It's really efficient and reliable, making it easy to find proof of sent emails when necessary. The program keeps all the history and proof there, and it's not difficult to navigate at all. The initial setup was super easy, and I find it much more efficient and precise, giving a whole bunch of information easily.

About

Contact

HQ Location:
Portland, OR

Social

@CustomerIO

What is Customer.io?

Create personalized customer journeys that engage and convert with our versatile customer engagement platform. Scale, flex, and innovate at your own pace. Because when powered by data, your messages lead to meaningful relationships.Deliver meaningful interactions: Make every message relevant by building unique customer interactions across mobile and web using email, in-app messages, SMS, and push notifications.Designed to help you scale: Manage all your messaging in one place with a platform that seamlessly integrates with the tools you use every day.Data without limits: Put an end to data silos by easily moving real-time data from source to destination and crafting campaigns with unlimited profile attributes, events, or actions.

Details

Year Founded
2012
Website
customer.io