---
updatedAt: 2025-12-13T06:29:09.000Z
agentTools:
  projectIndex: https://docs.clevertap.com/llms.txt
---

# Setup

Understand how to set up In-App as a channel for your marketing campaigns.

Check with your development team that:

* In-App messaging is enabled in Android. For more information, see [Android In-App Notifications](https://developer.clevertap.com/docs/android#section-in-app-notifications).
* In-App messaging is enabled by default in iOS. For more information for custom In-Apps, see [iOS In-App Notifications](https://developer.clevertap.com/docs/ios#section-in-app-notifications).