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Withings App vs Ultrahuman: catalog facts
Withings App	Ultrahuman
Free The app is free and can be used without buying a Withings device.	Paid The app works with Ultrahuman hardware, which is sold separately.
Android, iOS, Web	Android, iOS
Usable as a standalone tracker without Withings hardware Measures heart rate with the phone camera	Combines sleep, recovery, metabolic and cycle tracking in one app Works with a ring, a glucose sensor and a home sleep monitor
Weight and blood pressure need manual entry unless you own Withings devices Proprietary app tied to the Withings ecosystem	Depends on buying Ultrahuman hardware Proprietary app and data ecosystem
Downloadable app, Hosted service	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is 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.