Realm

Realm Database, now integrated into MongoDB Realm and MongoDB Atlas App Services, is an embedded, object-oriented database designed primarily for mobile and edge devices. It provides local data persistence and facilitates real-time data synchronization between client applications and a cloud…

Key facts

First appeared: 2014
Category: database
Problem solved: Realm Database was created to solve the complexity, performance bottlenecks, and developer burden associated with traditional mobile data persistence (e.g., SQLite with ORMs) and to simplify real-time data synchronization, enabling offline-first application development with ease.
Platforms: ios, android, tvos, watchos, web (via Node.js backend and client SDK usage in web-enabled frameworks like React Native), macos, linux, windows

Related technologies

Swift
Java
Node.js
Objective-C
Flutter
Xamarin
Kotlin
MongoDB Atlas
React Native

Notable users

Various mobile application developers globally (startups to enterprises)
MongoDB (as integral part of Atlas App Services)