# Drumgenius vs String Theory

The clearest difference is price: Drumgenius at Free against String Theory's $1.99. Drumgenius also leads on ratings volume (230 vs 1) and iOS requirement (15.0 vs 26.0). String Theory's advantage is rating (5.0 vs 4.5) and in-app purchases (none vs 5). On ads and device support there is nothing between them.

Drumgenius is free to download; String Theory costs $1.99 up front. Drumgenius sells 5 in-app purchases, starting at $1.99 per month. String Theory asks for nothing beyond the download.

String Theory holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Drumgenius has 230 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 76% of Drumgenius's written reviews are positive against 100% of String Theory's.

## The numbers

| Metric | Drumgenius | String Theory |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.5 (230 ratings)](https://appshunter.io/ios/app/drumgenius-rhythm-mastery/id492279351/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/string-theory-guitar-practice/id6760247019/reviews)** |
| Number of ratings | **230** | 1 |
| Positive reviews | 76.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 16 MB | 10 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Projazz Lab](https://appshunter.io/developer/492279354) | [DANIEL NIKOLAS SZTURM](https://appshunter.io/developer/1883123507) |

## What reviewers say

### Drumgenius

[App page](https://appshunter.io/ios/app/drumgenius-rhythm-mastery/id492279351)

Explore an encyclopedia of drum grooves from Jazz to Rock, played by legendary drummers. Practice with expert virtual drummers to develop your time-feel and expand rhythmic knowledge. Includes a smart metronome with "clave" and "swing regulator" features.

**Highlights:** Encyclopedia of 500+ drum grooves, Play along with master drummers, Develop time-feel and rhythm knowledge, Stretchable and loopable drum loops, Smart Metronome with clave and swing regulator, Descriptions and discography references

**Features:** Family Sharing, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pass | $1.99 | per month |
| 10 credits pack | $0.99 | one-time |
| 50 credits pack | $1.99 | one-time |
| Infinite Credits pack | $7.99 | one-time |
| Lifetime Access | $12.99 | one-time |

**What reviewers like**

- 🚀 Outstanding rhythm, time and groove development tool
- 👍 Improves my play
- 👍 Excellent practice tool
- 👍 Brilliant, high quality drum loops
- 👍 Versatile and inspiring

**What reviewers complain about**

- 🐛 Crashes all the time
- 🐛 Keeps crashing/glitching
- 🐛 Crashes when changing tempo
- 🐛 Sound cuts off intermittently
- 🐛 Buggy when exiting and re-entering app

**Reported bugs**

- Purchased loops disappearing
- Inability to download/play some loops
- Crashes when downloading loops

**Requested features**

- Add more world rhythms and genres like Amapiano
- Add more Tony Williams-style medium-uptempo swing tracks
- Add ability to export/share loops
- Add dark mode support
- Improve organization and browsing of purchased loops


### 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 Drumgenius free?

Drumgenius is free to download, with in-app purchases available.

### Is String Theory free?

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

### Which has better reviews, Drumgenius or String Theory?

String Theory is rated higher. Drumgenius averages 4.5 out of 5 from 230 ratings, while String Theory averages 5.0 from 1 ratings.

### Do Drumgenius or String Theory have ads?

Neither Drumgenius nor String Theory shows ads.

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