Fret Metric
Music
Free · Designed for iPad. Not verified for macOS.
Calculate precise string action heights for any guitar. Enter two measurements and get instant results based on your fretboard's curvature.
Fret Metric calculates the ideal string action height for every string on your guitar. Simply measure the action at your 1st and last strings at the 12th fret, and the app calculates the target height for all strings in between.
FEATURES
- Radius-based calculation that accounts for your fretboard's actual curvature
- Linear calculation mode for quick approximations
- Support for 4, 6, 7, 8, and 12-string guitars
- Common fretboard radius presets (7.25", 9.5", 10", 12", 14", 15", 16", 20")
- Custom radius input for non-standard fretboards
- Nut width configuration for precise geometry
- Works in millimeters or inches
- Real-time results as you adjust measurements
- Built-in guide with measurement instructions and reference setups
- Dark mode support
- All settings saved automatically
Whether you're a guitarist fine-tuning your setup or a luthier working on a client's instrument, Fret Metric gives you the precise measurements you need.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Shalva Gegia, 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
- Shalva Gegia
- Size
- 37.9 MB
- Category
- Music
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Shalva Gegia