# Drum Beats+ Rhythm Machine vs String Theory

The clearest difference is price: Drum Beats+ Rhythm Machine at Free against String Theory's $1.99. Drum Beats+ Rhythm Machine also leads on ratings volume (4.5K vs 1) and iOS requirement (15.0 vs 26.0). String Theory's advantage is in-app purchases (none vs 13) and review sentiment (100% vs 77%). On ads and device support there is nothing between them.

Drum Beats+ Rhythm Machine is free to download; String Theory costs $1.99 up front. Drum Beats+ Rhythm Machine sells 11 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 4.8. That said, the two scores are not equally well evidenced: Drum Beats+ Rhythm Machine has 4.5K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 77% of Drum Beats+ Rhythm Machine's written reviews are positive against 100% of String Theory's.

## The numbers

| Metric | Drum Beats+ Rhythm Machine | String Theory |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.8 (4.5K ratings)](https://appshunter.io/ios/app/drum-beats-plus-rhythm-machine/id461218759/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/string-theory-guitar-practice/id6760247019/reviews)** |
| Number of ratings | **4.5K** | 1 |
| Positive reviews | 77.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 773 MB | 10 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ninebuzz Software LLC](https://appshunter.io/developer/375250922) | [DANIEL NIKOLAS SZTURM](https://appshunter.io/developer/1883123507) |

## What reviewers say

### Drum Beats+ Rhythm Machine

[App page](https://appshunter.io/ios/app/drum-beats-plus-rhythm-machine/id461218759)

This app provides a metronome with realistic drum beats instead of a simple click. It's designed to improve timing, aid in songwriting, and facilitate live jamming and performance. Users can access a large library of pre-made beats across various genres and customize their practice sessions.

**Highlights:** Realistic drum beats, not a click, 100+ pre-made beats in various genres, Adjustable tempo without pitch change, Personalize and favorite beats, Improve timing with Bar Break beats, Connect to other music apps via Inter-app Audio, Jam via Bluetooth or AirPlay

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Drum Beats+ Pro (1 Month) | $1.99 | per month |
| Drum Beats+ Pro (1 Month) | $2.99 | per month |
| Monthly Subscription | $4.99 | per month |
| Annual Subscription | $19.99 | per year |
| DB+ Pro 1 Year (3-days Free) | $29.99 | per year |
| Drum Beats+ Pro Unlimited | $29.99 | per year |
| Jazz 1 | $4.99 | one-time |
| Heavy Metal 1 | $4.99 | one-time |
| Blues 1 | $4.99 | one-time |
| Country 1 | $4.99 | one-time |
| Blues 2 | $4.99 | one-time |

**What reviewers like**

- 🚀 Fabulous drum accompaniment
- 🚀 Excellent app for practice and jamming
- 👍 Easy and helpful
- 👍 Great practice tool
- 👍 Useful app for guitarist accompaniment

**What reviewers complain about**

- 💰 Paid trash
- 💰 Subscription
- 💰 Only a 3 day free trial
- 💰 Wanted to try. Paywall.
- 💰 I paid for the app

**Reported bugs**

- Mutes after three loops
- Sounds are OK, AirPlay doesn't work
- NOT a metronome app - and a big problem with tempo
- I don't have an Airturn
- Sounds are poor

**Requested features**

- Visual cue could be an improvement
- Tap tempo
- Ability to save customizations
- Finer tempo adjustment
- Ability to create own beats, sounds, and patterns


### 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 Drum Beats+ Rhythm Machine free?

Drum Beats+ Rhythm Machine 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, Drum Beats+ Rhythm Machine or String Theory?

String Theory is rated higher. Drum Beats+ Rhythm Machine averages 4.8 out of 5 from 4.5K ratings, while String Theory averages 5.0 from 1 ratings.

### Do Drum Beats+ Rhythm Machine or String Theory have ads?

Neither Drum Beats+ Rhythm Machine 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.*