Whoop Angers Users Over Reneged Free Upgrade Promises

Wearable startup Whoop just announced its new Whoop 5.0 fitness tracker yesterday, but some existing users are already calling foul. From a report: Previously, Whoop said people who had been members for at least six months would get free upgrades to next-generation hardware. Now, the company says that members hoping to upgrade from a Whoop 4.0 to 5.0 will have to pay up.
Whoop is a bit different from other fitness trackers in that it runs entirely on a subscription membership model. Most wearabl