MongoDB Realm

MongoDB Realm enables real-time data sync between the Realm SDKs and MongoDB Atlas. Realm also includes a suite of tools for building cross-platform applications like user authentication providers, serverless functions & triggers, and dynamic data access rules.

Ready to set up a serverless backend Realm app? Create a MongoDB Realm App in the Realm UI.

Use Realm CLI

If you prefer to work in a local programming environment you can also Create an App with Realm CLI.

Build a complete Task Tracker app in our Task Tracker Tutorial. The tutorial includes a MongoDB Realm application as well as a client app for every SDK.


MongoDB Realm has a free tier. All usage below the free tier thresholds in a given month is not billed, so you can get started with MongoDB Realm at no cost. To see how billing works in MongoDB Realm, see Billing.

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