# Guitar Machines! — Quinn Fetrow's Guitar Machines > Free guitar theory learning tool with note, scale, arpeggio, and song visualization. (iPhone/iPad app by Quinn Fetrow.) - Source: https://appshunter.io/ios/app/guitar-machines/id6757989929 (this page in markdown: same URL + `.md`) - Developer: [Quinn Fetrow](https://appshunter.io/developer/1870110908) - Category: Music, Education - Price: Free - Rating: 5.00/5 from 25 App Store ratings · 19 written reviews indexed - Age rating: 4+ - Requires: iOS 15.1 · 32 MB - Languages: American English - Released: 2026-01-21 - Data updated: 2026-08-11 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/guitar-machines/id6757989929/reviews.md ## What is Guitar Machines!? 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! ## Key features - Note learning on fretboard - Customizable scale learning - Arpeggio visualization - Song progression analysis - Music theory education ## Recent user reviews (10 of 19) All indexed reviews: https://appshunter.io/ios/app/guitar-machines/id6757989929/reviews.md ### 5/5 — Free *2026-04-23, version 1.0.6* This app is the best to learn scales, notes and fretboard and even theory I can learn so much from this, even the scale shapes ### 5/5 — Very good! only one complaint *2026-04-08, version 1.0.6* I found this app very helpful but I wish it had a longer name ### 5/5 — Great tool *2026-04-08, version 1.0.6* I have been playing guitar for 15 years, and as a programmer, I always envisioned building a tool like this one. Free of charge, that touches actual useful fundamentals in a simple way. This is everything I hoped for. What an amazing app. Congrats! ### 5/5 — No ads=peak *2026-03-12* Love it as someone who hates ads this guy is amazing ### 5/5 — Useful *2026-03-08, version 1.0.6* Holy genius tysm 🙏 ### 5/5 — Big fan *2026-02-24, version 1.0.5* I never leave reviews on apps but i want to do it for this one because you #deserve it and its free ### 4/5 — Perfect for guitarist at any level *2026-02-23, version 1.0.5* 100% my favorite app to use has a built in tuner, alternative tunings, Tabs, Scals, Arps and all, only down side is theres a few things that would be confusing for beginners who don’t know much music theory like when learning scales you can turn on the shift bot but i’m not sure how the shift applies to the key i’m playing in ### 5/5 — Amazing *2026-02-16, version 1.0.5* Ad free, priceless app. Just incredible. This has helped me learn so much. ### 5/5 — Hatsoff!! *2026-02-15* For a developer who has done a lot of work Thanks you for this Software and I didn’t even use the app but making it ad free and educational made me give this review ### 5/5 — Loving it so far *2026-02-13, version 1.0.5* Thank you handsome ginger man that came on my reels! Enjoying this app as a noob who shouldn’t be a noob cause I don’t practice enough! ## Frequently asked questions about Guitar Machines! ### What is Guitar Machines!? Guitar Machines! is a free tool designed to teach basic music theory concepts for guitar. It offers four interactive 'machines' to help users learn notes, scales, arpeggios, and song progressions. ### Is Guitar Machines! free to use? Yes, Guitar Machines! is completely free to use. The app is available at no cost and does not feature any in-app purchases or advertisements. ### What devices does Guitar Machines! support? Guitar Machines! is available for iPhone, iPad, and iPod touch devices, making it accessible to a wide range of Apple users. ### How often is Guitar Machines! updated? The app was last updated on February 26, 2026, with version 1.0.6. This indicates a recent update, suggesting ongoing support and potential for future improvements. ### What age rating does Guitar Machines! have? Guitar Machines! has an age rating of 4+, making it suitable for young learners and individuals of all ages interested in guitar theory. ### Can I learn specific scales with Guitar Machines!? Yes, the Scale Machine allows you to learn any scale you desire. You can use the CAGED system or the 'Custom Cage' setting to generate scales within a specific fretboard range. ### How does Guitar Machines! help with learning songs? The Song Machine in Guitar Machines! helps you visualize the arpeggios of a song as it plays through its chord progression, aiding in understanding song structure. ### What is the user sentiment for Guitar Machines!? Guitar Machines! has received an excellent rating of 5.0 stars from 25 ratings, indicating very positive user sentiment and satisfaction with the app's functionality and educational value. ## Version history (last 3 releases) ### 1.0.6 — 2026-02-26 * 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 ### 1.0.5 — 2026-01-25 Day One Patch + Fixed left-handed mode + Added practice CD to song machine ### 1.0 — 2026-01-21 No release notes. ## Apps similar to Guitar Machines! | App | Rating | Price | Category | | --- | --- | --- | --- | | [ChordButter: Easy Songwriting](https://appshunter.io/ios/app/chordbutter-easy-songwriting/id6471820796) | 4.7 (775) | Free | Music | | [Pitch Trainer - Ear Training](https://appshunter.io/ios/app/pitch-trainer-ear-training/id6758199236) | 4.7 (301) | Free | Music | | [Sonofield Ear Trainer](https://appshunter.io/ios/app/sonofield-ear-trainer/id6740409139) | 4.9 (360) | Free | Music | | [ToneAdapt - Guitar Tone Match](https://appshunter.io/ios/app/toneadapt-guitar-tone-match/id6761394160) | 4.7 (1,910) | Free | Music | | [TONALY: Songs, Scales & Theory](https://appshunter.io/ios/app/tonaly-songs-scales-and-theory/id1242467844) | 4.8 (6,303) | Free | Music | | [Trill: Ear Training Daily](https://appshunter.io/ios/app/trill-ear-training-daily/id6742758221) | 4.5 (733) | Free | Music | ## Related topics [quinn fetrow](https://appshunter.io/ios/topics/quinn-fetrow) · [strum machine](https://appshunter.io/ios/topics/strum-machine) · [pau bright](https://appshunter.io/ios/topics/pau-bright) · [hollyland lark m2s](https://appshunter.io/ios/topics/hollyland-lark-m2s) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-11.*