# GTK - Circle Of Fifths

> A GTK Tool

Canonical page: [https://chrome-stats.com/d/id6757976064](https://chrome-stats.com/d/id6757976064)

## Overview

- **ID:** `id6757976064`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Jon Machtynger
- **Category:** Music
- **Version:** 1.1
- **Last updated:** 2026-01-20
- **First published:** 2026-01-20
- **Size:** 2.47 MB
- **Data as of:** 2026-09-24
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/gtk-circle-of-fifths/id6757976064)
- **Privacy policy:** [https://apps.synapticity.com/apps/GTK/privacy.html](https://apps.synapticity.com/apps/GTK/privacy.html)

## Description

This app provides a comprehensive Circle of Fifths experience to help visualise one of music theory's most fundamental concepts.  It allows musicians to explore key relationships, chord progressions, and modal harmony through an intuitive and visually engaging interface.

This is one of the many tools within the comprehensive GTK Guitar Toolkit.

1) Interactive Circle visualisation
  - Press anywhere to move the circle to the primary key of your choice

2) Musical Modes and Keys
  - 7 Musical Modes: Ionian, Dorian, Phrygian, Lydian, Mixolydian, Aeolian, Locrian
  - 12 Tonic Keys with enharmonic equivalents (C#/Db, D#/Eb, etc.)
  - Key Signature Display showing sharps/flats in the centre circle
  - Accidentals ring showing the number of sharps or flats for each key

3) Diatonic Chord Table:
  - Shows all chords in the selected key and mode
  - Chord Note Spellings displaying the actual notes for each chord
  - Roman Numeral Analysis
  - Parent Ionian Key identification for any mode

## Rankings

- #1,410,117 — Overall

## Similar extensions and apps

- [GTK - Guitar Player's Toolkit](https://chrome-stats.com/d/id6749509640) — 5.00 / 5
- [Circle of Fifths](https://chrome-stats.com/d/id1558441265) — 4.90 / 5
- [Circle of Fifths-Music theory](https://chrome-stats.com/d/id1512623838)
- [Circle of Fifths Xtra](https://chrome-stats.com/d/id6475810586) — 5.00 / 5
- [Circle of Fifths Xtra C](https://chrome-stats.com/d/id6755520159)
- [Circle Of Fifths App](https://chrome-stats.com/d/id1302884256) — 3.80 / 5
- [5thsFlow - Circle of 5ths](https://chrome-stats.com/d/id6782925646) — 5.00 / 5
- [Magic Circle of Fifths](https://chrome-stats.com/d/id1398240284) — 4.50 / 5
- [Circle Of Thirds](https://chrome-stats.com/d/id6769707088)
- [Circle Of Fifths Pro](https://chrome-stats.com/d/id1330706579) — 5.00 / 5
- [Circle Of Fifths Pro](https://chrome-stats.com/d/id6759542158)
- [GTB Guitar Chords](https://chrome-stats.com/d/id6764719857)

---

Source: [Chrome-Stats](https://chrome-stats.com/d/id6757976064)