# Rock Drum Machine Lite vs String Theory

The clearest difference is price: Rock Drum Machine Lite at Free against String Theory's $1.99. Rock Drum Machine Lite also leads on ratings volume (130 vs 1) and iOS requirement (16 vs 26.0). String Theory's advantage is rating (5.0 vs 4.3) and review sentiment (100% vs 85%). On ads, in-app purchases and device support there is nothing between them.

Rock Drum Machine Lite is free to download; String Theory costs $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 4.3. That said, the two scores are not equally well evidenced: Rock Drum Machine Lite has 130 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 85% of Rock Drum Machine Lite's written reviews are positive against 100% of String Theory's.

## The numbers

| Metric | Rock Drum Machine Lite | String Theory |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.3 (130 ratings)](https://appshunter.io/ios/app/rock-drum-machine-lite/id725314924/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/string-theory-guitar-practice/id6760247019/reviews)** |
| Number of ratings | **130** | 1 |
| Positive reviews | 85.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | **Free** | Paid |
| Size | 55 MB | 10 MB |
| Requires iOS | **16** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lumbeat](https://appshunter.io/developer/590278231) | [DANIEL NIKOLAS SZTURM](https://appshunter.io/developer/1883123507) |

## What reviewers say

### Rock Drum Machine Lite

[App page](https://appshunter.io/ios/app/rock-drum-machine-lite/id725314924)

Transform your device into a powerful rock drumming tool. Access high-quality drum sounds and a variety of rhythms for instant power drumming. Easily create and customize your own beats.

**Highlights:** High-quality rock drum sounds, Extensive rhythm library, Easy rhythm editing, Pattern mode for component beats, Groove Edit Mode for subdivisions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🎨 Great sound quality
- 🎶 Realistic drum sounds
- 🎮 Fun to jam with
- 💻 Useful for practice and writing

**What reviewers complain about**

- 🔒 Limited free version
- 🔍 Confusing interface for some
- 🐛 Occasional crashes or compatibility issues
- 💰 Expensive full version

**Reported bugs**

- Incompatibility with certain audio apps
- Crashes or freezes on some devices

**Requested features**

- More free bars/time in lite version
- Ability to save/load custom beats
- Integration with other music apps
- More drum kit/sound options


### 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 Rock Drum Machine Lite free?

Rock Drum Machine Lite is free to download, with no in-app purchases.

### Is String Theory free?

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

### Which has better reviews, Rock Drum Machine Lite or String Theory?

String Theory is rated higher. Rock Drum Machine Lite averages 4.3 out of 5 from 130 ratings, while String Theory averages 5.0 from 1 ratings.

### Do Rock Drum Machine Lite or String Theory have ads?

Neither Rock Drum Machine Lite 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.*