In-App Messages

Automate your
in-app messages

Create on-brand experiences that embed seamlessly into your website and mobile app. Combine in-app messages with email, push, and SMS to build high-performing cross-channel campaigns.

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A single platform for all your product and marketing messages.

When you design workflows that combine in-app messages with emails, push, SMS, and webhooks, the possibilities are endless. You can quickly spin up a test to learn which channel yields the highest conversion for your audience. Try for yourself with the interactive workflow builder below.

A nudge is all it takes.

When customers are in your app, you have their attention. Guide them to take actions that drive results. Avoid new user confusion with a personalized onboarding flow. Have a new feature your customers have been requesting? Trigger an alert on login.

Get immediate reactions when you deliver data-driven in-app messages.

Customer.io is the most intuitive and robust omnichannel messaging platform I’ve ever used. They beat the competition out of the water.

Alex MacCaw, Founder, Clearbit

The capabilities and metrics you need.

Reduce reliance on developer resources with the no-code builder and smart, data-driven segmentation. Monitor metrics within workflows and adjust your strategy in real time. Build A/B and multivariate tests to determine what message and timing perform best.

Read the docs

Consistent branding

When you’re not the only one building messages, consistent branding goes out the window. The fix? Save standardized colors, fonts, and layouts for all your teams to use.

Build messages that feel on-brand with your overall user experience. Add multiple buttons, deep links, actions, lists, and more with a builder you’ll actually want to use.

Get an easy yes from your engineering team

Your mobile engineering team will love our thorough developer documentation and lightweight SDKs.

Get Started with the SDK

Open-source SDKs. MIT licensed.

Up-to-date with the latest iOS and Android versions.

Strict semantic versioning for calm version upgrades.

Small in size. Only install what you need and avoid bloatware.

Designed with automated testing in mind. Mocking + dependency injection-friendly.

Fully documented, covering everything from implementation to common use cases.

Snapshot builds and quick releases. Wait less time for fixes.

Real-world sample app available for reference.

Easy to set up, flexible to customize your unique use cases.

Published on Maven Central.
Android

Written in Kotlin, for Kotlin (with Java support as needed).
Android

Written in Swift, for Swift (with Objective-C support as needed).
iOS

Install with Swift Package Manager or Cocoapods.
iOS