Whistlr

Whistlr is the ultimate Apple Watch app built for referees across different sports, giving you total control over game time - right from your wrist. Features Track multiple periods or segments seamlessly Customise time settings to match any 2 half sport’s structure Workout Integration More than a timer. It's a performance tool. Whistlr also tracks your workout metrics: Heart rate Active calories Distance Monitor your physical performance while officiating—on the pitch, court, or field. Whistlr keeps you in sync with the game—and your fitness.