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5thsFlow - Circle of 5ths — App Store rankings

James Roche · Music · View on the App Store

About this app

The developer's US App Store description, in full.

5thsFlow is an interactive Circle of Fifths built for musicians, songwriters, and producers who want to understand music theory — not just memorize it. Tap any key on the wheel and instantly see its 7 diatonic chords, 7 modes, key signature, and relationships to every other key. Hear everything played back in real time with a warm, piano-style tone. EXPLORE ANY KEY • All 7 diatonic chords with Roman numerals, chord function, and quality • Toggle between major and relative minor — see Am as i, F as VI, and so on • 7 modes arpeggiated so you can hear their character: Dorian, Phrygian, Lydian, and more • Key signature, scale degrees, relative minor, dominant, and subdominant at a glance • Transpose up or down by semitone without losing your place CHORD VOICINGS & EXTENSIONS • Switch between Triad, 7th, Sus2, Sus4, and Add9 voicings for every chord • Hear exactly how extensions change the feel of a chord — from open and suspended to rich and jazzy • Borrowed chords from the parallel minor shown in every major key — modal interchange made visual and playable BUILD PROGRESSIONS • Add chords from any key into a sequencer • Set your BPM, toggle loop mode, and play it back • Save named progressions and reload them any time • Works across keys — mix chords from different keys in one progression FIND YOUR KEY • Know your chords but not the key? Tap them in and matching keys appear instantly • Or hold your phone up to an instrument — the mic detector listens and ranks the most likely keys by confidence in real time SOUNDS GREAT • Block or Strum chord playback style • Play the classic I–IV–V–I progression or the i–VI–III–VII minor progression with one tap • Haptic feedback that matches chord quality — major, minor, and diminished each feel different Whether you're a beginner learning which chords go together or a working musician who needs a fast reference on stage, 5thsFlow is the fastest path from question to answer. Designed for iPhone and iPad.

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