# Guitar Scales: String Theory — Learn Notes, Chords & Patterns

> Fretboard scale visualization tool for guitar, bass, and ukulele. (iPhone/iPad app by Denis Andrasec.)

- Source: https://appshunter.io/ios/app/guitar-scales-string-theory/id1591787859 (this page in markdown: same URL + `.md`)
- Developer: [Denis Andrasec](https://appshunter.io/developer/667450290)
- Category: Music
- Price: Free with in-app purchases
- Rating: 4.90/5 from 33 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.6 · 17 MB
- Languages: German (Germany), American English
- Released: 2022-01-13
- Data updated: 2026-08-30
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/guitar-scales-string-theory/id1591787859/reviews.md

## What is Guitar Scales?

Guitar Scales + is the easiest way to see scales on the fretboard while playing guitar, bass and ukulele. You can choose from over 48 build in scales, create your own and customize the tuning of your instrument. With excelent playback support, you can work out solos, or just play around on the fretboard. Whether you are are a beginner, want to learn music theory, or are a veteran player, Guitar Scales +is the perfect app for you.


FEATURES
- Show any scale in any key on the fretboard
- Supports guitar, bass and ukulele
- See over 48 build in scales
- Create your own scales
- Choose different tunings or create your own
- Support for tunings with more strings
- Change to left handed fretboard
- Dynamic number of frets
- Show intervals and octaves for every note
- Choose which accidentals should be shown
- Play any scale by tapping the notes
- Supports multiple guitar sounds (nylon, steel, clean, jazz, overdrive, distortion)
- Supports multiple bass sounds (finger, pick, acoustic)
- Support for dark and light mode


SUPPORT

Please feel free to contact me any time if you have questions or suggestions. Alos, leave a rating if you like the app, it means a lot to me!

support@getstringtheory.com


TERMS & PRIVACY

https://www.getstringtheory.app/terms.html
https://www.getstringtheory.app/privacy.html

## Key features

- Visualize scales on fretboard
- Supports guitar, bass, ukulele
- Over 48 built-in scales
- Create custom scales
- Customizable instrument tunings
- Interactive note playback
- Left-handed mode

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription | $17.99 | per year |


## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/guitar-scales-string-theory/id1591787859/reviews.md

### 5/5 — Just what’s needed

*2025-02-10*

Just the scales needed. Easy to use for notes , interval or both. Recommend.

**Developer response:** Thank you, I'm happy that the app works for you!

### 5/5 — Positive Reinforcement!

*2024-05-23*

Learning the guitar fretboard is challenging to say the least, and this tool is great for your tool box.  Long drive, long flight, long commute? Great time to study your fretboard. This app makes it fun and easy!

### 5/5 — Interface is easy on the eyes

*2024-03-31*

The color coding of the notes make it wayyyy easier to remember the scales compared to most apps that are out there.

**Developer response:** Hey,

 thank you for the kind words. I'm glad the app is of value to you! Please don't hesitate to reach out if you encounter any issues or have suggestions.

regards,
denis

## Frequently asked questions about Guitar Scales

### What instruments does Guitar Scales + support?

Guitar Scales + supports guitar, bass, and ukulele. It allows for custom tunings, including those with more than six strings.

### How many scales are available in Guitar Scales +?

The app features over 48 built-in scales that can be displayed in any key on the fretboard. Users also have the ability to create their own custom scales.

### Can I play along with the scales in Guitar Scales +?

Yes, Guitar Scales + offers excellent playback support. You can tap on notes to play scales, allowing you to work out solos or simply experiment on the fretboard.

### Does Guitar Scales + offer different instrument sounds?

Yes, the app provides multiple guitar sounds including nylon, steel, clean, jazz, overdrive, and distortion. For bass, it offers finger, pick, and acoustic sounds.

### What are the subscription options for Guitar Scales +?

Guitar Scales + offers a monthly subscription for $4.99 with a 3-day free trial, and a yearly subscription for $29.99. The app is free to download and use with these optional subscriptions.

### Is Guitar Scales + suitable for left-handed players?

Yes, Guitar Scales + includes a feature to change the fretboard display to a left-handed orientation, making it accessible for all players.

### How often is Guitar Scales + updated?

The latest version of Guitar Scales + is 1.2.4, which was last updated on October 15, 2025. This indicates regular updates to improve the app.

### What is the age rating for Guitar Scales +?

Guitar Scales + has an age rating of 4+, making it suitable for a wide range of users interested in learning music.

## Version history (last 5 releases)

### 1.2.7 — 2026-08-01

Bugfixes and performance improvements.

### 1.2.6 — 2026-05-09

Bugfixes and performance improvements.

### 1.2.5 — 2026-04-25

Bugfixes and performance improvements.

### 1.2.4 — 2025-10-15

Bugfixes and performance improvements.

### 1.2.2 — 2025-07-07

This version of "Guitar Scales" brings a new app icon and performance improvements.

## Apps similar to Guitar Scales

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Guitar Chord Finder : Fabulus](https://appshunter.io/ios/app/guitar-chord-finder-fabulus/id1559087405) | 4.5 (70) | Free | Music |
| [Ultimate Guitar: Chords & Tabs](https://appshunter.io/ios/app/ultimate-guitar-chords-and-tabs/id357828853) | 4.7 (473,707) | Free | Music |
| [Chordify: Songs, Chords, Tuner](https://appshunter.io/ios/app/chordify-songs-chords-tuner/id1073624757) | 4.7 (33,443) | Free | Music |
| [ChordBank: Learn Guitar Chords](https://appshunter.io/ios/app/chordbank-learn-guitar-chords/id397602509) | 4.7 (6,277) | Free | Music |
| [Guitar Gravitas: Chords Scales](https://appshunter.io/ios/app/guitar-gravitas-chords-scales/id1171417699) | 4.8 (3,924) | Free | Music |
| [Guitar Scales & Chords Power](https://appshunter.io/ios/app/guitar-scales-and-chords-power/id647000751) | 4.8 (92) | $5.99 | Music |

## More apps by Denis Andrasec

- [Gym Progress Tracker: Liftlog+](https://appshunter.io/ios/app/gym-progress-tracker-liftlog-plus/id1493278836)
- [Shift Work Calendar & Planner](https://appshunter.io/ios/app/shift-work-calendar-and-planner/id6457316500)
- [Loan + Mortgage Calculator](https://appshunter.io/ios/app/loan-plus-mortgage-calculator/id6464066346)
- [Score Keeper: Keep Score](https://appshunter.io/ios/app/score-keeper-keep-score/id6471266772)
- [Cash Counter: Count Money](https://appshunter.io/ios/app/cash-counter-count-money/id6472790146)

All apps by Denis Andrasec: https://appshunter.io/developer/667450290

## Related topics

[guitar scales and patterns](https://appshunter.io/ios/topics/guitar-scales-and-patterns)

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*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 2026-08-30.*