MIDI Piano & Guitar Chords

Music

Free

Detect and generate chords, explore scales and the circle of fifths, train your ear with intervals, and keep time with the metronome — for piano and guitar. MIDI Piano & Guitar Chords is a complete music theory companion for piano and guitar players — chord detection, chord generation, scales, intervals, the circle of fifths, and a metronome, all in one app. CHORD DETECTION Play notes on the on-screen keyboard, a connected MIDI keyboard, or your guitar and instantly see the chord name, notes, and intervals on the staff. CHORD GENERATOR Pick a root note and chord type (major, minor, 7th, sus, dim, aug, and more) and see it on piano, guitar fretboard, and staff, with inversions and multiple guitar voicings to choose from. CIRCLE OF FIFTHS Tap a sector to explore diatonic chords in any key. Long-press to set the tonic and instantly see every chord that belongs to that key. SCALES Browse major, minor, modes, pentatonic, blues, and more. See note names, intervals, and documented piano fingering for both hands, with adjustable tempo and octave range. INTERVAL DETECTION Play two notes and get the interval name, semitone count, and a familiar song example to help you memorize it by ear. METRONOME A visual and audible metronome with adjustable tempo, beats per bar, subdivisions, and accent — and the piano stays interactive while it runs. MIDI SUPPORT Connect a MIDI keyboard to play and detect chords, or route sound to a connected MIDI device with the correct instrument (piano or guitar). Built for students, teachers, and musicians who want to understand what they're playing — on piano or guitar — without leaving the practice room.

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- The app now remembers the last mode you were using (Detection, Generation, Scales...) when you reopen it, with the same menu order as the desktop app. - Circle of fifths: more natural gesture — tap picks a diatonic chord within the key, long-press changes the key. - MIDI output now actually sends notes to your connected MIDI device with the correct instrument (piano or guitar), instead of always playing through the device speaker. - The metronome keyboard stays interactive — press notes while it's running, from touch or a MIDI keyboard. - Fixed a few layout issues on iPhone and in the What's New and Settings dialogs.

Version v1.0.4

The developer, Antonio Ortega Gonzalez, 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.

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    Accessibility

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    Information

    Seller
    • Antonio Ortega Gonzalez
    Size
    • 23.9 MB
    Category
    • Music
    Compatibility
    Requires iOS 13.6 or later.
    • iPhone
      Requires iOS 13.6 or later.
    • iPad
      Requires iPadOS 13.6 or later.
    • iPod touch
      Requires iOS 13.6 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.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 Antonio Ortega González
  • Privacy Policy

    • More by Antonio Ortega Gonzalez

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