Marketing Review
Customer.io
Deep Dive Analysis
Customer.io sends messages triggered by what people actually do in your product, across email, push and in-app.
Target Audience
Product teams that want lifecycle messaging driven by real usage.
The Final Verdict
"Powerful once your event tracking is in place. Without good events it is an expensive newsletter tool."
Best Alternatives to Customer.io
What we checked
Public API
Offers a documented API you can build against.
Mobile app
Has a native app for iOS or Android, not just a mobile website.
Open source / self-hostable
Source is open and the tool can be run on your own infrastructure.
SSO (SAML)
Supports SAML single sign-on on at least one plan.
These are facts that can be checked, not opinions. Where we have not checked, it says so — we do not fill the gap with a guess.