# Additive Drum Machine vs FET Acoustic Compressor

The clearest difference is update cadence: FET Acoustic Compressor at every 2 months against Additive Drum Machine's every 15 months. Additive Drum Machine's advantage is price ($2.99 vs $5.99). On rating, review sentiment, ratings volume and ads there is nothing between them.

Additive Drum Machine costs $2.99 and FET Acoustic Compressor $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Additive Drum Machine against 5.0 for FET Acoustic Compressor. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Additive Drum Machine ships an update every 15 months, FET Acoustic Compressor every 2 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Additive Drum Machine | FET Acoustic Compressor |
| --- | --- | --- |
| Price | **$2.99** | $5.99 |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/additive-drum-machine/id1658242894/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/fet-acoustic-compressor/id6763790891/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Size | 2 MB | 9 MB |
| Requires iOS | 14.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Giovanny Bermudez](https://appshunter.io/developer/1658242896) | [Shelbybark LLC](https://appshunter.io/developer/1895490257) |

## What reviewers say

### 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


### FET Acoustic Compressor

[App page](https://appshunter.io/ios/app/fet-acoustic-compressor/id6763790891)

This app emulates the warm, musical character of classic FET compressors for acoustic instruments and more. It offers intuitive controls for punch, presence, and glue, with a special "All-In" mode for aggressive sounds. Designed for mobile studios and live performance.

**Highlights:** Classic FET compression emulation, Voiced for acoustic guitar, versatile for other instruments, Intuitive controls: IN, ATTACK, RELEASE, RATIO, OUT, DRY, SC HPF, Special "All-In" mode for aggressive sounds, AUv3 plugin support for popular DAWs, Low latency for live performance, Factory presets included

**In-app purchases:** none


## Frequently asked questions

### Is Additive Drum Machine free?

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

### Is FET Acoustic Compressor free?

FET Acoustic Compressor costs $5.99, with no in-app purchases.

### Which has better reviews, Additive Drum Machine or FET Acoustic Compressor?

Additive Drum Machine and FET Acoustic Compressor are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do Additive Drum Machine or FET Acoustic Compressor have ads?

Neither Additive Drum Machine nor FET Acoustic Compressor shows ads.

### Which is updated more often, Additive Drum Machine or FET Acoustic Compressor?

Additive Drum Machine ships an update every 15 months, and FET Acoustic Compressor every 2 months. Most recently, Additive Drum Machine was updated on October 24, 2026 and FET Acoustic Compressor on October 22, 2026.

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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.*