# Holon vs ddtctmcc

The clearest difference is rating: ddtctmcc at 5.0 against Holon's 4.5. ddtctmcc also leads on in-app purchases (none vs 2) and update cadence (daily vs every 3 months). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Holon sells 2 one-off in-app purchases. ddtctmcc asks for nothing beyond the download.

ddtctmcc holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 14 and 7 respectively. Written reviews point the same way: 75% of Holon's written reviews are positive against 80% of ddtctmcc's.

Holon ships an update every 3 months, ddtctmcc daily. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Holon | ddtctmcc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (14 ratings)](https://appshunter.io/ios/app/holon/id1352687747/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/ddtctmcc-ff/id6460858922/reviews)** |
| Number of ratings | **14** | 7 |
| Positive reviews | 75.0% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Paid | **Free** |
| Size | 144 MB | 6 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Holonic Systems Oy](https://appshunter.io/developer/1172474856) | [Alexey Nadzharov](https://appshunter.io/developer/729549192) |

## What reviewers say

### Holon

[App page](https://appshunter.io/ios/app/holon/id1352687747)

This app transforms your movement through cities into a dynamic, real-time musical score. It uses your physical location and activity to generate interactive synth music, encouraging outdoor exploration and turning listeners into performers.

**Highlights:** Human-powered music generation, Encourages outdoor activity, Zero UI for minimal distraction, Environmentally responsive music, Real-time synth music creation, Optional AirPods and Apple Watch integration

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Apple Watch support | Free | one-time |
| Movesense Support | Free | one-time |


### ddtctmcc

[App page](https://appshunter.io/ios/app/ddtctmcc-ff/id6460858922)

This free music app translates touch gestures into MIDI Control Change messages. It offers a 2D touch area to control three MIDI values and two gesture recording modes: infinite looping or one-time playback triggered by buttons.

**Highlights:** 2D touch area for MIDI control, X, Y, and Touch On/Off MIDI values, Looping gesture recording, One-time gesture playback, Background operation, AUv3 support

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

**In-app purchases:** none


## Frequently asked questions

### Is Holon free?

Holon is free to download, with in-app purchases available.

### Is ddtctmcc free?

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

### Which has better reviews, Holon or ddtctmcc?

ddtctmcc is rated higher. Holon averages 4.5 out of 5 from 14 ratings, while ddtctmcc averages 5.0 from 7 ratings.

### Do Holon or ddtctmcc have ads?

Neither Holon nor ddtctmcc shows ads.

### Which is updated more often, Holon or ddtctmcc?

Holon ships an update every 3 months, and ddtctmcc daily. Most recently, Holon was updated on October 3, 2026 and ddtctmcc on October 2, 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.*