A string calculator to calculate single strings for historical (or modern) stringed instruments.

Calculates strings from gut, nylgut, carbon (PVF), Tynex and nylon.
Diameter, tension, tone and scale can be calculated.
You can set any frequency instead of the chamber tone a'.
Calculates in cm, mm or inch.

What’s New

Version 1.3

added contra-octave

App Privacy

The developer, Martin Uhlig, 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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