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Realm Swift SDK

Use the Realm Swift SDK to develop iOS, macOS, watchOS and tvOS apps in Swift and Objective-C.

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 SwiftUI 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 free 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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Swift API Reference

Explore generated reference docs for the RealmSwift APIs.

RealmSwift Reference

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Objective-C API Reference

Explore generated reference docs for the Realm Objective-C APIs.

Realm Reference

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SwiftUI Quick Start

Get started with Realm Database for SwiftUI.

Explore the Quick Start

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© 2022 MongoDB, Inc.