Tencent/MMKV
An efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, POSIX, and OHOS. observed · 2026-08-28
Health v2 · maintenance only
98/100
- Activity 98
- Release rhythm 98
- Longevity 100
Flags: no_license
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-02. Adoption (stars, forks) is never an input.
- gap_med: 19.0
- age_days: 2907
- days_rel: 12
- days_push: 12
- n_releases_24m: 19
Adoption not part of the score
18715 stars · 1981 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded
MMKV is an efficient, small key-value storage framework developed by the WeChat team, using mmap and protobuf for fast, persistent storage. It supports Android, iOS/macOS, Windows, POSIX, HarmonyOS NEXT, and experimental Kotlin Multiplatform, with multi-process concurrency support.
Use cases
- persist key-value settings on android without sync or apply calls
- fast local storage for ios apps
- share key-value data across multiple processes
- replace sharedpreferences with a faster storage layer
- store small config values in a flutter app
- cross-platform key-value persistence with kotlin multiplatform
When to choose
- you need high-performance key-value persistence on mobile
- your app requires multi-process read/write access to stored data
- you want tiny binary size overhead (~50K per architecture)
- you need immediate persistence without explicit commit calls
When to avoid
- you need complex relational queries or structured database features
- you require 32-bit architecture or Android API level 21-22 support (use v1.3.x LTS)
- you need a pure managed-language solution without native dependencies
Facets
library · maturity active
caching serialization file-system mobile-development developer-tools cross-platform windows cpp cross-platform key-value-store mmap wechat persistence kotlin-multiplatform harmonyos flutter android ios macos mobile
1 source
- readme: https://github.com/Tencent/MMKV · fetched 2026-08-28 · 4361e86794ea
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| Tencent/MMKV | main | 98 |
For agents
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem