Scaleton

Explore guitar scales across the fretboard with instant note mapping and offline tone previews for every playable scale note.

Scaleton is a focused guitar scale reference app for players who want to see scale notes clearly across the fretboard.

Choose a root note, select a scale, and instantly view all playable notes in standard tuning. Tap highlighted notes to hear short local tone previews and quickly connect shapes, intervals, and positions by ear.

Features:

• 15 built-in scale types, including major, minor, modes, pentatonic, blues, whole tone, diminished, and chromatic
• Full guitar fretboard mapping in standard tuning
• Root note selection for all 12 keys
• Clear note labels on in-scale frets
• Tap-to-hear offline tone previews
• iPhone and iPad support
• Clean, distraction-free interface
• No account required
• No ads
• No subscription
• No in-app purchases

Scaleton is designed as a lightweight practice companion for learning fretboard awareness, scale shapes, and note relationships without clutter.