The Polar Loop is a capable heart rate tracker, but its activity tracking software stops it from being a Whoop-killer

The Whoop rival tested.
ZDNet

Polar adds personalized fitness subscription to its smartwatch app, like Garmin's

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I tested Polar's mid-budget smartwatch against a Garmin Forerunner – and it fell down in one key area

The Polar Flow app just isn't as intuitive as Garmin Connect.