# 120 Mandolin Chords Pro vs String Theory

The clearest difference is rating: String Theory at 5.0 against 120 Mandolin Chords Pro's 3.0. String Theory also leads on price ($1.99 vs $3.99). 120 Mandolin Chords Pro's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 26.0). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

120 Mandolin Chords Pro costs $3.99 and String Theory $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

String Theory holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | 120 Mandolin Chords Pro | String Theory |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/120-mandolin-chords-pro/id6753793792/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/string-theory-guitar-practice/id6760247019/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Paid | Paid |
| Size | 24 MB | 10 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Max Schlee](https://appshunter.io/developer/429770420) | [DANIEL NIKOLAS SZTURM](https://appshunter.io/developer/1883123507) |

## What reviewers say

### 120 Mandolin Chords Pro

[App page](https://appshunter.io/ios/app/120-mandolin-chords-pro/id6753793792)

Master mandolin chords with a comprehensive learning and reference tool. Visualize finger positions, hear authentic sounds, and save custom chord sequences. Ideal for all skill levels, from beginners to advanced players.

**Highlights:** Multiple viewing options (photos, tabs, diagrams), Authentic mandolin sound playback, Save favorite chords and sequences, Fast chord transposition, Left/right-handed switching, One-time purchase for unlimited access

**Features:** Vision Pro support

**In-app purchases:** none


### String Theory

[App page](https://appshunter.io/ios/app/string-theory-guitar-practice/id6760247019)

This app helps guitarists explore scales and chords with an interactive fretboard. It allows users to compare scales, test custom tunings, and record riff ideas. The tool is designed for practicing improvisation, learning theory, and saving musical inspiration.

**Highlights:** Interactive guitar fretboard with scale mapping, Scale and Chord Finder tools, Custom tunings with octave control, Riff recording and vault organization, Left-handed mode, Scale comparison overlay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 120 Mandolin Chords Pro free?

120 Mandolin Chords Pro costs $3.99, with no in-app purchases.

### Is String Theory free?

String Theory costs $1.99, with no in-app purchases.

### Which has better reviews, 120 Mandolin Chords Pro or String Theory?

String Theory is rated higher. 120 Mandolin Chords Pro averages 3.0 out of 5 from 2 ratings, while String Theory averages 5.0 from 1 ratings.

### Do 120 Mandolin Chords Pro or String Theory have ads?

Neither 120 Mandolin Chords Pro nor String Theory shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*