head to head · open source
Prometheus vs react-native-mmkv
Prometheus has 66,109 GitHub stars, 10,839 forks, 890 open issues and last shipped 2 days ago. react-native-mmkv has 8,503 stars, 341 forks, 20 open issues and last shipped 5 days ago. Prometheus leads on adoption by 677% (66,109 vs 8,503 stars). Prometheus is written in Go under Apache-2.0; react-native-mmkv is written in TypeScript under MIT. Prometheus has attracted 16% as many forks as stars, react-native-mmkv 4%. Prometheus was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Prometheus | react-native-mmkv | |
|---|---|---|
| GitHub stars | ★ 66K | ★ 8.5K |
| License | Apache-2.0 | MIT |
| Written in | Go | TypeScript |
| Last push | 2026-09-17 | 2026-09-14 |
| Forks | ⑂ 11K | ⑂ 341 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Prometheus if
- You weight community size — 66K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick react-native-mmkv if
- You want the react-native-mmkv feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and react-native-mmkv fits your workflow better
About Prometheus
Prometheus is an open source monitoring system and time series database, part of the Cloud Native Computing Foundation ecosystem. It collects metrics from configured targets at defined intervals, evaluates alerting rules, and visualizes results. Designed for reliability in dynamic environments, it operates without reliance on distributed storage, ensuring each server node functions independently.
read the full Prometheus overview →
About react-native-mmkv
react native mmkv is an MIT licensed TypeScript library that exposes the MMKV C++ key value storage engine to React Native and Expo apps through direct JSI and Nitro Module bindings, and it is built for mobile developers who need fast, fully synchronous local persistence on iOS, Android and the web.
read the full react-native-mmkv overview →
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Frequently asked questions
Is Prometheus or react-native-mmkv more popular?
Prometheus has 66,109 GitHub stars and react-native-mmkv has 8,503. Prometheus has the larger community by that measure.
Are Prometheus and react-native-mmkv free?
Both are open source. Prometheus is licensed under Apache-2.0 and react-native-mmkv under MIT. Neither carries a licence fee.
What is the difference between Prometheus and react-native-mmkv?
Prometheus is written in Go and react-native-mmkv in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Prometheus or react-native-mmkv?
Choose Prometheus if you want the larger community (66,109 stars) or its Apache-2.0 licence terms. Choose react-native-mmkv if its feature set, stack or MIT licence fits better. Both are self-hostable.