Tonality - Music Reference

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The music theory reference tool for musicians of all skill levels. Tonality allows you to view and listen to a large database of piano chords and scales and features a chord-recognition tool that can identify chords you play on your instrument.

Price $6.99
Author Bryce Hostetler
Type Tool
Supports Audio Unit (AU)
Rating total: 4.85393 (89), current: 4.85393 (89)
Version 9.5.2
Released 06/13/2019
Updated 01/27/2022
"Best music app tool I own, period!"
"Never downloaded an app so fast in my life"
"Excellent app for music theory. It is brilliantly supported by the developer who is continually updating it... The app is indispensable for the reference and learning of music theory."

Tonality is the ultimate chord, scale, and general music theory reference tool for musicians of all skill levels. It allows you to explore a large database of chords and scales and includes tons of MIDI functionality, including 4 bundled Audio Unit (AUv3) plugins.

NOTE: Tonality will always be a one-time purchase with free upgrades. All IAPs are for tips only.

• Chord dictionary with over 1,000 chords for piano and guitar
• Listen to a chord by tapping on it, or arpeggiate by swiping
• Reverse search for chords containing certain notes (using piano or fretboard)
• Search for chords by root, quality, and/or extension
• Sort chords by key, number of pitches, etc.
• View different inversions and omittable notes
• View a list of related scales (especially useful for jazz musicians learning to improvise)

• View guitar chord charts for all chords (even custom ones)
• Supports multiple guitar tunings and instruments
• Generate voicings by criteria like fret range, number of fingers used, and finger stretch
• Left-handed option

• Scale dictionary with over 1,000 scales
• Search for scales by root and name, and filter by various tags
• Reverse search for scales containing certain notes (using piano or fretboard)
• Sort scales alphabetically, by key, by number of pitches
• View scale degrees and note names
• View ascending and descending versions
• View scales in the treble or bass clef
• View all modes and scale chords

• Interactive circle of fifths: view key signatures and scales for major and minor keys
• Focus on just the chords belonging to a given key

• Learn to recognize notes, melodies, intervals, chords, and scales by ear!
• After each session, view what gave you trouble and create a level with just those items
• View detailed statistics about each training session and your training history

• View musical terms and their definitions/illustrations
• Tempo, symbol, articulation, dynamics, and more

• Special keyboard for typing and previewing chord symbols
• Works wherever iOS keyboard does - enable it from  Settings->General->Keyboard->Keyboards->Add New Keyboard...

---- Includes 4 MIDI Audio Unit Plugins! ----

• View the names of the piano chords/scales you play in real time
• Record identified chords and export as text/MIDI

• Add chords via list, scale chords, fretboard, or MIDI input
• Full control of the voicing: you can edit individual notes' octaves and velocities
• Grid sizes from 2x2 to 12x12
• Strum bar for performing arpeggios or individual notes
• MIDI trigger mappable with MIDI learn capability
• Automation parameters for footpedal control
• CC mapping on XY axes
• Multiple velocity sensitivity modes
• Supports drag and drop to reorder
• Custom presets can be saved and shared across hosts
• Patchstorage integration for community sharing
• Export pad sets as MIDI files

• View MIDI input in a grand staff in real time
• Detects chord names

• Control other apps with a circle-of-fifths layout
• Modify inversion, octave, extensions, and bass notes on the fly
• Auto-voice lead option
• Focus on diatonic chords in a given key

• Create your own chords, scales, fingerings, ear training levels, and definitions
• Add custom instruments and guitar tunings
• Show set theory information for any pitch class set, including Forte number, pitch constellation, and Tonnetz
• Change color scheme
• Choose the playback instrument (upload any .sf2 file)
• Show only basic chords/scales (for beginners)
• Choose note naming (English or Solfège)

Version 9.5.2 release notes

Chord Pads: - Audio unit no longer confirms before loading a preset if the “unsaved changes” were just empty pads Ear Training: + Improve usability on small iPhone screens