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Realm

Realm makes it easy to build reactive apps, realtime collaborative features, and offline-first experiences.
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What is Realm?

The Realm Mobile Platform is a next-generation data layer for applications. Realm is reactive, concurrent, and lightweight, allowing you to work with live, native objects.
Realm is a tool in the Mobile Database category of a tech stack.
Realm is an open source tool with 13.9K GitHub stars and 1.8K GitHub forks. Here’s a link to Realm's open source repository on GitHub

Who uses Realm?

Companies
64 companies reportedly use Realm in their tech stacks, including N26, Patreon, and Kaidee.

Developers
84 developers on StackShare have stated that they use Realm.

Realm Integrations

Public Decisions about Realm

Here are some stack decisions, common use cases and reviews by companies and developers who chose Realm in their tech stack.

Mike Endale
Mike Endale
at Founder at Moxit · | 6 upvotes · 58.8K views
Shared insights
on
Android SDKAndroid SDKRealmRealmPouchdbPouchdb
at

We are building an offline-first Android SDK app. The solution we're working on runs on a mobile device in areas where internet connectivity is intermittent or does not exist. The applications needs to be able to collect data and when it reaches a home base or finds internet connectivity, we'll sync it with the host.

We've heard Realm and Pouchdb could be a good solution, but we are curious if anyone has any experience with either or have another path forward.

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Gabriel Pa
Gabriel Pa
CEO at NaoLogic Inc · | 2 upvotes · 181.7K views

If you want to use Pouchdb might as well use RxDB which is an observables wrapper for Pouch but much more comfortable to use. Realm is awesome but Pouchdb and RxDB give you more control. You can use Couchbase (recommended) or CouchDB to enable 2-way sync

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Realm's Features

  • Feels like Home - Realm’s data structures look like the Objects and Arrays of your language, but provide additional features such as: querying, relationships & graphs, thread safety, and more.
  • Memory-Efficient - Realm is not built on SQLite. Instead, a custom C++ core is used to provide memory-efficient access to your data by using Realm objects, which usually consume less RAM than native objects.
  • F-F-Fast! - Realm offers extraordinary performance compared to SQLite and other persistence solutions.

Realm Alternatives & Comparisons

What are some alternatives to Realm?
Firebase
Firebase is a cloud service designed to power real-time, collaborative applications. Simply add the Firebase library to your application to gain access to a shared data structure; any changes you make to that data are automatically synchronized with the Firebase cloud and with other clients within milliseconds.
SQLite
SQLite is an embedded SQL database engine. Unlike most other SQL databases, SQLite does not have a separate server process. SQLite reads and writes directly to ordinary disk files. A complete SQL database with multiple tables, indices, triggers, and views, is contained in a single disk file.
Redux Persist
It is a library allowing to save the redux store in the local storage of your browser. It promises to retain the users’ redux-state which is an attractive proposition for most developers.
Realm React Native
Realm JavaScript enables you to efficiently write your app’s model layer in a safe, persisted and fast way. It’s designed to work with React Native and Node.js.
GreenDAO
It is an open source Android ORM making development for SQLite databases fun again. It relieves developers from dealing with low-level database requirements while saving development time.
See all alternatives

Realm's Followers
166 developers follow Realm to keep up with related blogs and decisions.
jeremiasramaw7994
sargapman
mohammad qtait
Josh Katiyare
Felipe Estupinan
Iratxe Lejarreta
dhanashree mane
Avanimitra Chilla
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Velumani Angappan