Guitar Machines!

Quinn Fetrow

App Store★ 5.0FreeFirst seen 7 Nov 2026

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App info

Category: Music
Age rating: 4+
Price: Free
Version: 1.0.6
Released: Jan 21, 2026
Last updated: 26 Feb 2026
Size: 31.7 MB
Requires: iOS 15.1 or later
Languages: 1

5.043 ratings

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What's newin version 1.0.6

* Fixed crash caused by closing app while a sequence is playing * Added support for sharps in custom tunings * Fixed sharp key bug in Arpeggio mode

About this app

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Quinn Fetrow's Guitar Machines is a free tool to help teach you basic music theory concepts on guitar! I've got 4 guitar machines for you: 1. Note Machine - Teaches the notes on the fretboard one at a time, with options for randomization! 2. Scale Machine - Learn whatever scales you want in context of the CAGED system or use the "Custom Cage" setting to generate scales within a range on the fretboard. 3. Arpeggio Machine - Learn the arpeggios through the circle of fifths, or create your own arpeggio by selecting the notes of the chord. 4. Song Machine - Visualize the arpeggios of a song as it plays through its progression. I want you to learn how to play guitar!