dia - Guitar Chord Diagram
iOS app by Hiroki Asano. Music · Hiroki Asano
- Store rating
- 5 / 5
- Store rating count
- 1
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.0.1
- Listing last refreshed
- 2026-09-11
View the original store listing
Store description excerpt
dia is a guitar chord diagram editor that lets you visualize, create, and play chord voicings on your iPhone and iPad. Browse over 3,000 preset chord voicings across 828 chords covering 12 keys and 86 chord types. Tap on the fretboard to build your own diagrams, hear how they sound, and see interval degrees and note names at a glance. KEY FEATURES: • 3,000+ Preset Chord Voicings — Browse chords by key and type, with multiple fingering options for each chord • Visual Fretboard Editor — Tap to place and remove fret dots, toggle open/muted strings, and adjust the starting fret • Audio Playback — Hear your chord diagrams with realistic plucked string sounds and adjustable strum speed • Interval & Note Name Display — See interval degrees (R, M3, P5, etc.) and note names on each dot and across all frets • Custom Tuning — Set any tuning for each string, save tuning presets, and use built-in presets (Drop D, Open G, DADGAD, and more) • Portrait & Landscape Diagrams — Switch diagram orientation to match your preference or device orientation • Image Export — Export diagrams as PNG images with customizable appearance (light/dark mode, transparent background) • Save & Sync — Save your custom diagrams and sync them across devices with iCloud • Left-Handed Mode — Mirror the diagram for left-handed players • String Numbers & All Fret Labels — Display helpers for learning and reference PRO FEATURES (one-time purchase): • Unlimited Saved Diagrams — Free plan allows up to 3 saved diagrams • Auto Chord Detection — Automatically identify chord names from your fret positions in real time Privacy Policy: https://ashnoa.com/dia/privacy-policy Terms of Use: https://ashnoa.com/dia/terms-of-use
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