If you are a Polar user, is the essential bridge between your wearable device and the Polar Flow web service. Whether you’re training for a marathon or tracking daily activity, keeping your device synced ensures your data is analyzed, stored, and ready for review.

A window will pop up asking for your Polar Flow credentials. If you don’t have an account, you can create one right there.

The site will usually detect your OS automatically, but you can manually select: Compatible with Windows 10 and 11. Download for Mac: Compatible with recent versions of macOS. 3. Run the Installer

Check your internet connection. FlowSync requires an active connection to upload data to the cloud.