App Store
Version 1.4 · 2026-08-08
Improved punch tracking in background mode, Reaction test, New User Interface
Too little checked to say Store information only. We haven’t analysed this app or read its reviews yet.
Not yet tested.
The store currently lists version 1.4, updated 2026-08-08.





Store screenshots supplied by the developer.
How fast you can punch? With your Apple Watch, throw a punch and instantly measure key metrics—velocity, g-force, and duration—displayed using a nice graph on your iPhone.
How fast is your punch?
An untrained puncher may hit speeds around 7 m/s
A professional boxer can reach up to 20 m/s with a cross punch
A professional boxer jab typically peaks around 11.5 m/s
Setup Instructions
The arrow on the Apple Watch face indicates the punch direction.
To adjust it based on your watch orientation, simply long-press the arrow to flip it to other direction.
How to Use
1. Start the Watch app and iPhone app
2. Throw a punch.
3. View detailed metrics on iPhone.
- In order to estimate Kinetic energy and Peak Power, set puncher's mass and technique
4.…
From the developer’s store description.
For developers and the curious
The evidence, sources, measurements and versions behind every label above.
No review analysis published for this app.
“Not assessed” means we could not measure it. It is never a zero and never a pass.
No package has been scanned for this app, so nothing is published about what it ships. That is an absence of evidence, not a finding.
Supporting measurements: not a complete list of possible harms or positives. Measurement vocabulary 1.4 · how these are measured
Not yet tested. No analysis has been run for this app, so there is no version or date to report.
Each store’s release notes, as the developer wrote them. They are the developer’s words, not ours.
Improved punch tracking in background mode, Reaction test, New User Interface
punch-velocityWhat the stores publish. Store ratings are the stores’ numbers, not Appworthy’s, and are never averaged across stores.
No itemized purchase list is available for this listing.
Not yet tested. No analysis has been published for this app, so there is no method to describe for it yet. A missing label is not a clean bill of health: it means nothing has been read, not that nothing is wrong.
Write to [email protected], or use the form. Name the finding, the app version and the evidence that needs correcting. Factual corrections are free and never depend on buying anything.