Polar Vantage M3
Where It Has the Edge
- blood oxygen tracking is 4.2 vs 1.0. Blood oxygen tracking is consistently listed as part of the upgraded health sensor package.
- ECG functionality is 3.5 vs 1.0. ECG is present, but reviewers repeatedly note limitations such as no Afib detection or lack of FDA-style diagnostic...
- cross-platform compatibility is 4.2 vs 2.0. Cross-platform compatibility is supported by Android and iOS compatibility plus web access through Polar Flow.
- outdoor visibility is 4.8 vs 3.6. Outdoor visibility is excellent, with repeated praise for easy reading in sunlight and varied lighting conditions.