Data & backend in Flutter using MMKV

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

CategoryBackend/Data
Stars★ 18,670
Last update2026-06-26
PriorityHigh

MMKV is an open-source backend & data library for Flutter mobile app development, with 18,670★ on GitHub and last updated on 2026-06-26. This guide covers what MMKV does, why it matters in 2026, how to add it to your project, when to reach for it, and how it compares to the alternatives — plus a quick FAQ.

What is MMKV?

An efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, POSIX, and OHOS. It focuses on talking to APIs, databases, and persistence layers. The project lives at Tencent/MMKV and is maintained by Tencent.

Why MMKV is worth knowing in 2026

MMKV carries 18,670 GitHub stars, 1,984 forks, 3 open issues. It has been around since 2018, and is actively maintained (updated within the last month). For a Backend/Data option, that combination of adoption and upkeep usually means a healthy community, production usage, and plenty of examples to learn from — the things that make a dependency safe to build on.

Installing MMKV

Add the package to your pubspec.yaml:

dependencies:
  MMKV: ^latest

Then fetch it and import it in your Dart code:

flutter pub get
import 'package:mmkv/mmkv.dart';

Check the package’s example/ directory and its GitHub repo for the exact API — MMKV is versioned there with full docs so you always integrate against the current release.

When should you use MMKV?

Reach for MMKV when:

  • you’re calling REST/GraphQL APIs from a Flutter app
  • you need local storage, caching, or offline sync
  • you want typed, testable data access

It’s especially relevant if your project touches android, flutter, golang, ios, key-value, kotlin.

MMKV vs. the alternatives

If you’re weighing options in the Backend/Data space, these are the other projects developers most often compare MMKV against:

There’s no single winner — the right pick depends on your app’s size, your team’s familiarity, and your performance budget. Browse the full Backend/Data collection to compare them side by side.

Frequently asked questions

Is MMKV free to use?

Yes. MMKV is open source and free to use in your Flutter projects. You can view the source, report issues, and contribute on GitHub.

Does MMKV work on both iOS and Android?

MMKV is built for Flutter, so it targets iOS and Android from a single codebase, and typically web and desktop too depending on the project’s platform support.

As of 2026, MMKV has around 18,670 stars and 1,984 forks on GitHub, which puts it among the more widely used options in the Backend/Data space.

What are good alternatives to MMKV?

Popular alternatives in the Backend/Data category include gopeed, proxypin, dio. The best choice depends on your app’s size, team, and performance needs.

Resources & links

Part of FlutterCook — 500 hands-on guides to the best open-source Flutter libraries, UI kits, and apps. Explore the live GitHub trends or browse YouTube guides.

#android#flutter#golang#ios#key-value#kotlin