PunchLab
Health & Fitness
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Measure punch and kick force in Newtons. Track power, speed and timing. Solo or two-phone Bluetooth mode for ringside coaching.
PunchLab — Punch & Kick Force Meter
PunchLab turns your iPhone into a professional punch and kick force meter, giving boxers, martial artists and trainers instant feedback on strike power and technique.
How it works
Secure your iPhone to the punching bag using an armband, tape or stretch band. PunchLab uses the phone's built-in accelerometer to detect each impact and calculate the force in Newtons, along with the angle of the strike from the ideal hitting axis.
Three training modes
Power Mode — measures and announces the force of each individual strike as you train
Speed Mode — counts how many strikes you land in a set time period
Time Mode — records how long it takes to reach a target number of strikes
Solo and Two-Phone modes
Use PunchLab on a single iPhone attached to the bag, or pair two iPhones via Bluetooth — one on the bag as the Sender, one with the trainer as the Receiver — for real-time coaching from ringside.
Training feedback
Force reading in Newtons for every strike
Strike angle showing how straight and true each punch lands
Hit count and session averages
Visual gauge and bar chart updated in real time
Optional spoken readout of force and angle after each strike
Session logging
Every session is logged with a full hit-by-hit table showing force, angle and timing. Logs can be emailed directly from the app for ongoing performance tracking.
Unlock email reporting
A one-time in-app purchase unlocks the ability to email session logs, perfect for trainers tracking multiple athletes over time.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, John Harvey, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- John Harvey
- Size
- 896 KB
- Category
- Health & Fitness
- Compatibility
Requires iOS 16.6 or later.
- iPhone
Requires iOS 16.6 or later. - Mac
Requires macOS 13.5 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Unlock Email Reports $2.99
- Copyright
- © 2026 John Harvey