A health app for your wearables. No subscription, no fees, private by default.
As featured in Hackaday and Adafruit.
![]() |
![]() |
![]() |
![]() |
![]() |
|---|---|---|---|---|
| Today | Health | Sleep | Heart rate | Workout |
Supported: WHOOP 4.0, 5.0, MG.
Being built: Oura Ring, Garmin, Pebble, Colmi, Ultrahuman, Mi Band and more.
Full feature list: docs/FEATURES.md.
OpenStrap has no company, no subscription and no paywall behind it. If it's useful to you, a tip helps keep it going.
Bitcoin
bc1qvtcch38dcwp967ar764uu6eetw7tf907844wfq
EVM (Ethereum, Base, Arbitrum, Optimism, Polygon)
0x8310C89393366b7eBCD47ABa82e1dfB5ECeFFbD9
- Development: build and run from source
- Features
- iOS installation
- iOS sideload
- iOS Shortcuts
- Apple Watch setup
- AI coach
- Tasker integration
- Buzz meanings
- Writing a device adapter
Bug reports from real devices are the most useful thing you can send. PRs are welcome; read CONTRIBUTING.md first, which covers which repo a change belongs in. Security issues go through SECURITY.md.
Everything stays on your phone unless you opt in. Details in PRIVACY.md.
OpenStrap is independent and not affiliated with or endorsed by WHOOP, Oura, Garmin or any device maker. Product names are trademarks of their owners and are used only to describe compatibility.
AGPL-3.0. See LICENSE. The OpenStrap name and logo: TRADEMARKS.md.




