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Withings App vs Gadgetbridge: catalog facts
Withings App	Gadgetbridge
Free The app is free and can be used without buying a Withings device.	Free Free and open source, funded by donations.
Android, iOS, Web	Android
Usable as a standalone tracker without Withings hardware Measures heart rate with the phone camera	Replaces proprietary companion apps for many wearables Supports a very wide range of device types
Weight and blood pressure need manual entry unless you own Withings devices Proprietary app tied to the Withings ecosystem	Android only Some devices need extra pairing steps or vendor keys
Downloadable app, Hosted service	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account 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.