- Polar joins Garmin in placing smartwatch features behind a paywall Notebookcheck
- Buckle up for more subscriptions The Verge
- Polar Launches Premium Subscription Service: Says Hold My Beer DC Rainmaker
- Why Coros and Suunto could be the big winners of Garmin and Polar’s new paywalls Tom’s Guide
- Polar adds personalized fitness subscription to its smartwatch app, like Garmin’s ZDNET
