Build or true your wheels by sound. Easier and cheaper than handheld tools. Simply pluck a spoke and the tension is shown on the screen.

Save multiple wheels to iCloud and share them among your devices.

Get a visual of your wheel's tension with the 'Wheel Builder' view.

Support for many different spoke sizes, shapes, and materials.

Many mechanical tension gauges have low precision with steps of 10 kgf or more between readings. The app has much higher precision, down to 1 kgf.

What’s New

Version 3.0

This app has been updated by Apple to use the latest Apple signing certificate.

Added a visual display of tension
Updated the frequency detection algorithm
iCloud backup and sharing between devices
Improved memory performance

Ratings and Reviews

4.0 out of 5
1 Rating

1 Rating

App Privacy

The developer, Pepelko, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer's privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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