Live Telemetry
See your speed the instant you move. Your Apple Watch captures every throw, swing, and motion with precision sensors.
Real-Time Speed
0 mph
Instant Acceleration
0 m/s²
Peak Detection
0
Measure Every Motion
Arm Speed Analyzer V3 — Precision rebuilt from the ground up.
Now on iPhone and Apple Watch.
Real-time tracking
100% private
Multi-sport
Total Recall
Every throw. Every swing. Every session. Now with a 3D motion path that traces your arm through space, so you can replay any rep and see exactly how it moved.
1,247 Throws tracked
86 Personal best mph
+12% This month
- 3D motion path replay, frame by frame
- Automatic session grouping
- Filter by sport, date, or location
- All data stays on your device
Performance Insights
Charts that reveal your potential. Track progress over time, identify patterns, and watch yourself improve.
Trend Analysis See your speed improve week over week
Session Breakdown Analyze each practice in detail
Compare Sports Switch between activities seamlessly
All analytics computed locally. Your data never leaves your device.
Ready to Launch?
Start tracking your speed today. Free to download, no subscription required.
iPhone
Apple Watch
100% Private
No Subscription
Offline Ready
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