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openScale vs Withings App: catalog facts
openScale	Withings App
Free Free and open source under the GPL-3.0 licence.	Free The app is free and can be used without buying a Withings device.
Android	Android, iOS, Web
Supports many Bluetooth smart scales without vendor apps No account required	Usable as a standalone tracker without Withings hardware Measures heart rate with the phone camera
Android only Google Play version is offered as an open beta	Weight and blood pressure need manual entry unless you own Withings devices Proprietary app tied to the Withings ecosystem
Downloadable app	Downloadable app, Hosted service
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.