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Realm Kotlin SDK

Use the Realm Kotlin SDK to develop Android or iOS apps using the Android platform or Kotlin Multiplatform Mobile (KMM).

Learning Paths
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Quick Start

Minimal-explanation code examples of how to work with Realm Database.

See Code Examples

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Working Example App

Learn from example by dissecting a working Kotlin client app that uses Realm Database with Device Sync.

Explore an Example App

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Guided Tutorial

Follow a guided tutorial to learn how to adapt the example app to create your own working Realm app.

Follow the Tutorial

What You Can Do

Use open-source Realm Database as a local object store on a device. Use Device Sync to keep data in sync with your MongoDB Atlas cluster and other clients.

Essential Documentation
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Kotlin API Reference

Explore generated reference docs for the Realm Kotlin APIs.

Realm Kotlin Reference

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Migrate from the Java SDK to the Kotlin SDK

Learn why and how to switch from the Java SDK to the Kotlin SDK.

Migrate from Java SDK to Kotlin SDK

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