Compare software

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