# Sound Writer vs Additive Drum Machine

The clearest difference is review sentiment: Additive Drum Machine at 100% against Sound Writer's 0%. Additive Drum Machine also leads on rating (5.0 vs 3.5). Sound Writer's advantage is price (Free vs $2.99) and iOS requirement (9.0 vs 14.5). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Sound Writer is free to download; Additive Drum Machine costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Additive Drum Machine holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews point the same way: 0% of Sound Writer's written reviews are positive against 100% of Additive Drum Machine's.

## The numbers

| Metric | Sound Writer | Additive Drum Machine |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/sound-writer/id1142604388/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/additive-drum-machine/id1658242894/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 15 months |
| Monetization | **Free** | Paid |
| Size | 12 MB | 2 MB |
| Requires iOS | **9.0** | 14.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZKM \| Zentrum fuer Kunst und Medientechnologie Karlsruhe](https://appshunter.io/developer/418549105) | [Giovanny Bermudez](https://appshunter.io/developer/1658242896) |

## What reviewers say

### Sound Writer

[App page](https://appshunter.io/ios/app/sound-writer/id1142604388)

This app creates a 3D virtual music box where users can play melodies by rotating a sphere. Adjust sound color and pin layout with simple finger gestures. It offers an intuitive way to explore music creation.

**Highlights:** 3D virtual music box, Interactive sphere rotation, Tone comb sound generation, Adjustable sound color, Customizable pin layout

**Features:** macOS Compatibility

**In-app purchases:** none


### Additive Drum Machine

[App page](https://appshunter.io/ios/app/additive-drum-machine/id1658242894)

Create unique drum beats with additive rhythm and traditional drum machine functionality. Design sequences of any length and structure, easily switching steps on and off to craft complex patterns. Ideal for practicing odd meters and exploring diverse rhythmic structures.

**Highlights:** Additive rhythm concept, Traditional drum machine interface, Customizable sequence length, Step sequencing, Odd meter support, Symmetrical and asymmetrical rhythms

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

**In-app purchases:** none


## Frequently asked questions

### Is Sound Writer free?

Sound Writer is free to download, with no in-app purchases.

### Is Additive Drum Machine free?

Additive Drum Machine costs $2.99, with no in-app purchases.

### Which has better reviews, Sound Writer or Additive Drum Machine?

Additive Drum Machine is rated higher. Sound Writer averages 3.5 out of 5 from 2 ratings, while Additive Drum Machine averages 5.0 from 3 ratings.

### Do Sound Writer or Additive Drum Machine have ads?

Neither Sound Writer nor Additive Drum Machine 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.*