# Holon vs miRack

The clearest difference is price: Holon at Free against miRack's $14.99. Holon also leads on iOS requirement (12.0 vs 14.0). miRack's advantage is update cadence (weekly vs every 3 months) and rating (4.8 vs 4.5). On ads, in-app purchases and device support there is nothing between them.

Holon is free to download; miRack costs $14.99 up front. Holon sells 2 one-off in-app purchases and miRack sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

miRack holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: miRack has 674 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 75% of Holon's written reviews are positive against 86% of miRack's.

Holon ships an update every 3 months, miRack weekly. The most recent releases landed on August 5, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Holon | miRack |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | [4.5 (14 ratings)](https://appshunter.io/ios/app/holon/id1352687747/reviews) | **[4.8 (674 ratings)](https://appshunter.io/ios/app/mirack/id1468259834/reviews)** |
| Number of ratings | 14 | **674** |
| Positive reviews | 75.0% of reviews | **85.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | — | **#77** |
| Size | 144 MB | 359 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Holonic Systems Oy](https://appshunter.io/developer/1172474856) | [MIFKI PTY LTD](https://appshunter.io/developer/316521224) |

## 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 |


### miRack

[App page](https://appshunter.io/ios/app/mirack/id1468259834)

**Currently charting:** #77 Top Paid · Music (US App Store)

This app offers a comprehensive Eurorack-style modular synthesizer environment for creating custom synths, audio/MIDI effects, and controlling other applications. It features a vast library of modules and integrates with hardware and software for flexible music production and live performance.

**Highlights:** Polyphonic Eurorack-style modular environment, Over 800 third-party modules, AUv3 plugin hosting, Multi-channel audio input/output, MIDI input/output with clock sync, Ableton Link support, iCloud patch syncing

**Features:** Family Sharing, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |
| AUv3 Hosting Modules | $4.99 | one-time |
| Controller Module | $4.99 | one-time |

**What reviewers like**

- 🚀 Powerful modular synth capabilities
- 👍 Intuitive touch-based interface
- 🎨 Vast selection of modules
- 💰 Great value for the price
- 🔌 Seamless integration with external controllers

**What reviewers complain about**

- 🐛 Occasional crashes and stability issues
- 📚 Lack of built-in documentation and tutorials
- 🔀 Difficulty navigating and managing patches
- 🔇 Missing audio recording and export features

**Reported bugs**

- Knob controls sometimes become unresponsive
- Saving and loading patches can be unreliable
- Compatibility issues with older iPad models

**Requested features**

- Add polyphonic support
- Implement undo/redo functionality
- Integrate with popular DAWs and audio apps
- Provide more comprehensive module library
- Add preset management and sharing options


## Frequently asked questions

### Is Holon free?

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

### Is miRack free?

miRack costs $14.99, and also offers in-app purchases.

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

miRack is rated higher. Holon averages 4.5 out of 5 from 14 ratings, while miRack averages 4.8 from 674 ratings.

### Do Holon or miRack have ads?

Neither Holon nor miRack shows ads.

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

Holon ships an update every 3 months, and miRack weekly. Most recently, Holon was updated on August 5, 2026 and miRack on September 28, 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.*