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Pacer vs Withings App: catalog facts
Pacer	Withings App
Free Free to download and use.	Free The app is free and can be used without buying a Withings device.
Android	Android, iOS, Web
Simple step counting GPS route mapping and local park maps	Usable as a standalone tracker without Withings hardware Measures heart rate with the phone camera
Aimed at walking rather than structured training Community features depend on other users	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
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 24, 2026	Official website Full listing and sources Checked September 23, 2026

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