Realm

Realm

Realm DB
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About

​Realm is a mobile-first, open source object database designed to run directly inside phones, tablets, and wearables. It provides a simple, object-oriented data model that eliminates the need for an ORM, allowing developers to define models as regular classes in languages like Swift, Java, Kotlin, C#, JavaScript, Dart, and C++. Realm's architecture ensures high performance and low memory usage by employing a zero-copy design, lazy loading, and multi-version concurrency control (MVCC) for thread-safe operations. It's live objects and collections automatically update across threads, enabling reactive programming patterns. Realm supports relationships between objects via links and backlinks, facilitating complex data structures. Developers can utilize tools like Realm Studio to inspect and manipulate local Realm databases and integrate Realm into various platforms, including React Native, Flutter, Xamarin, and Node.js.

About

​RxDB is a local-first, NoSQL JavaScript database optimized for modern web and mobile applications. It enables offline-first functionality by storing data directly on the client using storage engines like IndexedDB, OPFS, SQLite, and more. RxDB offers real-time reactivity, allowing developers to subscribe to changes in documents, fields, or queries, ensuring that UI components update automatically as data changes. Its flexible replication engine supports syncing with various backends and custom endpoints. RxDB integrates seamlessly with frameworks and environments. Additional features include field-level encryption, schema validation, conflict resolution, backup and restore, attachments, and CRDT support. By reducing server load and providing low-latency local queries, RxDB enhances performance and scalability, making it ideal for applications that require real-time updates, offline access, and cross-platform consistency.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Mobile developers interested in a tool to create offline-first applications with real-time data synchronization capabilities

Audience

Developers requiring a solution to optimize their data synchronization processes and enhance user experiences

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version Supported
Free Trial Not Supported

Pricing

Free
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Realm DB
Founded: 2011
United States
realm.github.io

Company Information

RxDB
Founded: 2018
Germany
rxdb.info/

Alternatives

CloudKit

CloudKit

Apple

Alternatives

Core Data

Core Data

Apple
Core Data

Core Data

Apple
Realm

Realm

ACS Technologies
IndexedDB

IndexedDB

Mozilla
Realm Accounting

Realm Accounting

ACS Technologies

Categories

Categories

Integrations

JavaScript Supported
Node.js Supported
React Native Supported
Apollo GraphOS Not Supported
C# Supported
C++ Supported
Capacitor Not Supported
Dart Supported
Deno Not Supported
Firebase Not Supported
Flutter Not Supported
Ionic Not Supported
NativeScript Not Supported
Objective-C Supported
React Not Supported
SQLite Not Supported
Supabase Not Supported
Svelte Not Supported
Swift Supported
WebRTC Not Supported

Integrations

JavaScript Supported
Node.js Supported
React Native Supported
Apollo GraphOS Supported
C# Not Supported
C++ Not Supported
Capacitor Supported
Dart Not Supported
Deno Supported
Firebase Supported
Flutter Supported
Ionic Supported
NativeScript Supported
Objective-C Not Supported
React Supported
SQLite Supported
Supabase Supported
Svelte Supported
Swift Not Supported
WebRTC Supported
Claim Realm and update features and information
Claim Realm and update features and information
Claim RxDB and update features and information
Claim RxDB and update features and information