Compare WCDB vs Realm and see what are their differences.


WCDB is a cross-platform database framework developed by WeChat. (by Tencent)


Realm is a mobile database: a replacement for Core Data & SQLite (by realm)
Our great sponsors
  • SonarQube - Static code analysis for 29 languages.
  • InfluxDB - Collect and Analyze Billions of Data Points in Real Time
  • Mergify - Updating dependencies is time-consuming.
WCDB Realm
2 47
9,799 15,984
0.6% 0.2%
0.0 9.1
15 days ago 8 days ago
C Objective-C
GNU General Public License v3.0 or later Apache License 2.0
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.


Posts with mentions or reviews of WCDB. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-01-21.


Posts with mentions or reviews of Realm. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-09-14.

What are some alternatives?

When comparing WCDB and Realm you can also consider the following projects:

GRDB.swift - A toolkit for SQLite databases, with a focus on application development

MMKV - An efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, and POSIX.


FMDB - A Cocoa / Objective-C wrapper around SQLite

UserDefaults - Simple, Strongly Typed UserDefaults for iOS, macOS and tvOS

Couchbase Mobile - Lightweight, embedded, syncable NoSQL database engine for iOS and MacOS apps.

SQLite.swift - A type-safe, Swift-language layer over SQLite3.

ObjectBox embedded database - Swift database - fast, simple and lightweight (iOS, macOS)

YapDatabase - YapDB is a collection/key/value store with a plugin architecture. It's built atop sqlite, for Swift & objective-c developers.

CoreStore - Unleashing the real power of Core Data with the elegance and safety of Swift

supabase - The open source Firebase alternative. Follow to stay updated about our public Beta.

Unrealm - Unrealm is an extension on RealmCocoa, which enables Swift native types to be saved in Realm.