GTK Player's Toolkit Get the app

Getting set up

Settings

Choose your tuning and instrument type, fretboard skin, marker colours, playback and home screen.

Settings make GTK match the instrument in your hands – and the way you like to see it.

Instrument & tuning

  • Tuning – every fretboard, chord and scale follows the tuning you choose. (The tuner listens to pitch, so it works with any tuning without needing a setting.)
    • Guitar: Standard, Drop D, DADGAD, Drop C, Open G, Open D, Half Step Down, Whole Step Down.
    • Ukulele: Standard (GCEA), Low G, D Tuning (ADF♯B), Baritone (DGBE).
    • Banjo: 5-string Open G, C, Open G Low, Double C, G Modal; 4-string Tenor (CGDA), Irish Tenor (GDAE), Plectrum.
    • Bass: the tunings are grouped by number of strings, so choosing a tuning also sets how many strings your bass has.
      • 4-string: Standard (EADG), Drop D (DADG), D Standard (DGCF), E♭ Standard (E♭A♭D♭G♭), Drop C (CGCF).
      • 5-string: Standard (BEADG), High C (EADGC), Drop A (AEADG).
      • 6-string: Standard (BEADGC).
  • Ukulele type – Soprano (12 frets), Concert (15), Tenor (18) or Baritone (20). Sets the fret range everywhere.
  • On Banjo, the fret count follows the instrument: up to 22 frets on 5-string and 19 on tenor.
  • Bass frets – choose 20, 21, 22 or 24 frets with Number of Frets. Sets the fret range everywhere.

Fretboard appearance

  • Fretboard skin – Dark, Walnut, Rosewood, Ebony or Maple, on every instrument.
  • Show finger numbers – show finger numbers on chord diagrams, or turn them off for plain dots.
  • Marker colour – Cyan, Indigo, Mint or Pink (used when finger numbers are off).
  • Highlight triad notes – ring the root, 3rd and 5th in Scale Sharing, or turn it off for a plainer view.
  • Dark Mode – a switch under Appearance that turns the dark look on or off.

Sound (Guitar)

  • Guitar tone – Steel, Nylon or Classical.
  • Arpeggiation – note delay, direction, and an optional turnaround pause.

Metronome

  • Click sound – Woodblock, Click, Cowbell or Bell. Applies in every GTK app.

Home screen

Choose which tools appear on the home screen. The choice is made separately for each instrument, so your guitar and bass can show different tools.

Support

Contact Us opens a pre-filled email for feedback, bug reports or feature requests. Leave a Review takes you to the App Store. There’s also a Help button with guidance for each tool.