# Additive Drum Machine vs pOus

The clearest difference is update cadence: pOus at every 4 months against Additive Drum Machine's every 15 months. pOus also leads on iOS requirement (12.0 vs 14.5). Additive Drum Machine's advantage is ratings volume (3 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Additive Drum Machine costs $2.99 and pOus $2.99 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 pOus. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Additive Drum Machine ships an update every 15 months, pOus every 4 months. Both last shipped on September 21, 2026.

## The numbers

| Metric | Additive Drum Machine | pOus |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/additive-drum-machine/id1658242894/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/pous/id6748279554/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 4 months** |
| Monetization | Paid | Paid |
| Size | 2 MB | 15 MB |
| Requires iOS | 14.5 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Giovanny Bermudez](https://appshunter.io/developer/1658242896) | [Satoshi Kajii](https://appshunter.io/developer/1777441634) |

## 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


### pOus

[App page](https://appshunter.io/ios/app/pous/id6748279554)

This app emulates analog drum machine bass drums with adjustable tuning and decay. It offers MIDI OUT functionality for envelope follower data and a scale mode for playing musical scales. Designed for musicians using AUv3 hosts.

**Highlights:** BassDrum emulation, Adjustable tune and decay, MIDI OUT envelope follower, Scale mode for musical notes, AUv3 instrument, MIDI CC routing

**In-app purchases:** none


## Frequently asked questions

### Is Additive Drum Machine free?

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

### Is pOus free?

pOus costs $2.99, with no in-app purchases.

### Which has better reviews, Additive Drum Machine or pOus?

Additive Drum Machine and pOus are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Additive Drum Machine or pOus have ads?

Neither Additive Drum Machine nor pOus shows ads.

### Which is updated more often, Additive Drum Machine or pOus?

Additive Drum Machine ships an update every 15 months, and pOus every 4 months. Most recently, Additive Drum Machine was updated on September 21, 2026 and pOus on September 21, 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.*