SpherelyWatch

SpherelyWatch helps tennis players track training sessions with iPhone and Apple Watch.

Start a match or training session on Apple Watch, then review your workout on iPhone with clear tennis-focused metrics. Track strokes, training duration, heart rate, calories, movement, rally activity, swing speed, and workout trends over time.

The app is designed for players who want a simple way to record tennis sessions, understand training intensity, and review progress after each workout.