What are the technical requirements for using Polar FlowSync software?

​To use FlowSync you need a computer with Microsoft Windows or Apple Mac operating system. Download the newest version from

FlowSync 4 is compatible with the following operating systems:

Mac OS 32-bit 64-bit
macOS 10.13   X
macOS 10.14   X
macOS 10.15   X
macOS 11   X
macOS 12   X


FlowSync 3 is compatible with the following operating systems:

Windows OS 32-bit 64-bit
Windows 8 X X
Windows 8.1 X X
Windows 10 X X
Windows 11   X


Unfortunately, Polar V650 is not and will not be macOS Big Sur (version 11) or newer -compliant – now or in the future. V650 is compatible with FlowSync 4 and macOS 10.13 - 10.15. 

Customers with Windows 7 can continue to use FlowSync 3, but we no longer provide product support.

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