# ChordMapMidi vs Additive Drum Machine

ChordMapMidi and Additive Drum Machine both sit at 5.0 stars, but that hides the real split: 100% of Additive Drum Machine's written reviews are positive against 53% of ChordMapMidi's. Additive Drum Machine also leads on device support (3 vs 1) and price ($2.99 vs $3.99). On rating, ratings volume, update cadence and ads there is nothing between them.

ChordMapMidi costs $3.99 and Additive Drum Machine $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 ChordMapMidi against 5.0 for Additive Drum Machine. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews are what separate them: 53% of ChordMapMidi's written reviews are positive against 100% of Additive Drum Machine's.

ChordMapMidi ships an update every 8 months, Additive Drum Machine every 15 months. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ChordMapMidi | Additive Drum Machine |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/chordmapmidi/id533859936/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/additive-drum-machine/id1658242894/reviews) |
| Number of ratings | **5** | 3 |
| Positive reviews | 52.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 15 months |
| Monetization | Paid | Paid |
| Size | 4 MB | 2 MB |
| Requires iOS | 16.6 | **14.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Malcolm Mugglin](https://appshunter.io/developer/533859939) | [Giovanny Bermudez](https://appshunter.io/developer/1658242896) |

## What reviewers say

### ChordMapMidi

[App page](https://appshunter.io/ios/app/chordmapmidi/id533859936)

This app is a MIDI controller for exploring musical chords and progressions in major and minor keys. It sends note information to other synthesizer apps on your device, making it a portable tool for musicians and educators.

**Highlights:** Explore chords and progressions, Major and minor keys, MIDI controller functionality, Sends note information to synth apps, Portable music tool

**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 ChordMapMidi free?

ChordMapMidi costs $3.99, 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, ChordMapMidi or Additive Drum Machine?

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

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

Neither ChordMapMidi nor Additive Drum Machine shows ads.

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

ChordMapMidi ships an update every 8 months, and Additive Drum Machine every 15 months. Most recently, ChordMapMidi was updated on November 1, 2026 and Additive Drum Machine on October 24, 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.*