JumpTimeCalc

IMSPDev

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About this app

JumpTimeCalc measures your vertical jump's flight time using only your phone's accelerometer — no extra equipment needed.

How it works:
1. Strap your phone securely to your body (armband or snug pocket)
2. Tap Start
3. Wait for the beep
4. Jump right after the beep
5. Wait for the final beep, or stop manually
6. See your jump's flight time, in seconds

Features:
• Vertical jump timer based on the phone's accelerometer
• Jump history saved on your device, with date and time
• Automatic comparison with your previous jump
• Available in English, Portuguese, Spanish and French
• Simple, distraction-free interface

Great for athletes, coaches, and fitness enthusiasts who want to track their jump performance over time without a force plate or specialized gear.

Your data stays on your device only.

What’s new

New design