Fretmark
Luthier Fret Layout Sheets
$4.99 · Designed for iPad. Not verified for macOS.
Lay out a straight-fret neck with nut-based positions, individual spacing, a proportional ruler, and a named PDF build sheet.
Fretmark is a quiet, precise workbench for straight-fret instrument layouts. Enter a scale length and fret count, then see each fret’s position measured from the nut and the interval from the previous fret. Switch between millimeters and inches without changing the saved plan.
The proportional on-screen ruler helps you read the sequence. The numeric position register is the measurement source. Save distinct instrument plans, add a workshop note, edit or delete them, and export a named multi-page PDF build sheet with the complete position list. Everything is calculated and stored on your device.
Fretmark uses 12-tone equal temperament for straight frets. Check each mark on your actual instrument. Bridge compensation and intonation setup are separate; the PDF is a dimensioned reference, not a full-scale print template.
One purchase. No account, subscription, ads, tracking, analytics, cloud sync, or developer-operated backend.
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The developer, Gobling Company, 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
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Information
- Seller
- Gobling Company
- Size
- 5.5 MB
- Category
- Music
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Age Rating
4+
- 4+
- Copyright
- © 2026 Gobling Company
