Vertical Jump: Hang Time
Measure Jump Height & Dunk
About
Measure your vertical jump height using your phone's camera or motion sensor. Calculate the inches needed to dunk and track your progress over time. Share results easily and switch between units and languages.
What's New in Vertical Jump
1.0.3
August 6, 2026
Alerts now arrive properly on Android instead of landing silently, and the app no longer interrupts you in the middle of what you came to do.
Developer apps
FAQ
How does Vertical Jump: Hang Time measure jump height?
Vertical Jump: Hang Time uses two methods: analyzing slow-motion video clips to mark takeoff and landing frames, or utilizing the phone's motion sensor for a quick jump test. The flight time is then converted into jump height.
Can I use Vertical Jump: Hang Time to calculate dunk requirements?
Yes, the app features a dunk calculator. You can input your height, standing reach, and rim height to determine how much more vertical leap you need to achieve a dunk.
Does Vertical Jump: Hang Time track my progress?
Yes, you can track every session with Vertical Jump: Hang Time. It saves dates, displays your best jump's improvement, and shows trends on a graph to visualize training effectiveness.
What devices does Vertical Jump: Hang Time support?
Currently, Vertical Jump: Hang Time is supported on iPhones. Future updates may expand compatibility to other devices.
Is Vertical Jump: Hang Time free to use?
Vertical Jump: Hang Time is free to download and use. However, it does contain advertisements.
What is the age rating for Vertical Jump: Hang Time?
Vertical Jump: Hang Time has an age rating of 17+. This is based on the content and features available within the application.
How accurate are the jump measurements?
The accuracy of results depends on your phone's camera frame rate and how precisely you mark the takeoff and landing frames in the video. The motion sensor method also provides an estimate.
Does Vertical Jump: Hang Time require an account?
No, Vertical Jump: Hang Time works without requiring you to create an account. You can start measuring your jumps immediately after downloading.