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Garmin Connect vs Polar Flow: catalog facts
Garmin Connect	Polar Flow
Free Free to download for use with compatible Garmin devices.	Free Free to use with Polar devices.
Android, iOS, Web	Android, iOS, Web
Wireless upload of activities from Garmin devices Live sharing of activities as they happen	Syncs data from Polar watches and heart-rate monitors Available on the web and on phones
Mainly useful with Garmin hardware Proprietary, cloud-based service	Only useful with Polar hardware Web service was under maintenance when checked
Downloadable app, Hosted service	Downloadable app, Web application
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.