# Factory vs miRack

The clearest difference is price: Factory at Free against miRack's $14.99. miRack's advantage is update cadence (weekly vs every 4 months) and device support (4 vs 1). On rating, review sentiment, ratings volume and ads there is nothing between them.

Factory is free to download; miRack costs $14.99 up front. Factory sells 1 one-off in-app purchase and miRack sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Factory against 4.8 for miRack. Both are backed by a comparable volume of ratings — 488 and 681 respectively. Written reviews are what separate them: 81% of Factory's written reviews are positive against 86% of miRack's.

Factory ships an update every 4 months, miRack weekly. The most recent releases landed on October 17, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Factory | miRack |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | **[4.9 (488 ratings)](https://appshunter.io/ios/app/factory-modular-synthesizer/id1458743434/reviews)** | [4.8 (681 ratings)](https://appshunter.io/ios/app/mirack/id1468259834/reviews) |
| Number of ratings | 488 | **681** |
| Positive reviews | 81.4% of reviews | **85.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 351 MB | 359 MB |
| Requires iOS | 17.6 | **14.0** |
| Devices | iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Sugar Bytes GmbH](https://appshunter.io/developer/614418826) | [MIFKI PTY LTD](https://appshunter.io/developer/316521224) |

## What reviewers say

### Factory

[App page](https://appshunter.io/ios/app/factory-modular-synthesizer/id1458743434)

Create complex and organic sounds with a powerful modular synthesizer. Explore a vast array of synthesis types, a deep modulation matrix, and dynamic signal flow. Easily find and morph between sounds with a built-in browser and crossfader.

**Highlights:** Modular synthesis with extensive modulation matrix, Multiple oscillator engines and synthesis types, Dynamic signal flow with 3-FX chain, Morph crossfader for sound transformation, Preset browser with tagging and rating, Sequencers, Arpeggiator, and Quantizer

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Factory Full Version | $24.99 | one-time |

**What reviewers like**

- 🚀 Powerful synth engine
- 👍 Intuitive and easy to use interface
- 🎨 Vast sound design capabilities
- 💡 Innovative modulation matrix
- 🎶 Inspiring and unique presets

**What reviewers complain about**

- 🐛 Occasional crashes and freezes
- 🔌 Compatibility issues with other apps
- 🖥️ Pixelated interface on high-res displays
- 🔇 Note-sticking problems

**Reported bugs**

- Presets not loading correctly in DAW projects
- CC assignment issues causing controls to freeze

**Requested features**

- Ability to modulate morph slider
- Option to modulate effects parameters individually
- Arpeggiator with retrigger on key press
- Better integration with GarageBand and other DAWs


### miRack

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

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 Factory free?

Factory 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, Factory or miRack?

Factory is rated higher. Factory averages 4.9 out of 5 from 488 ratings, while miRack averages 4.8 from 681 ratings.

### Do Factory or miRack have ads?

Neither Factory nor miRack shows ads.

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

Factory ships an update every 4 months, and miRack weekly. Most recently, Factory was updated on October 17, 2026 and miRack 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.*