# Theremini Advanced Software Editor vs Factory

The clearest difference is rating: Factory at 4.9 against Theremini Advanced Software Editor's 3.8. Factory also leads on review sentiment (81% vs 60%) and ratings volume (488 vs 13). Theremini Advanced Software Editor's advantage is in-app purchases (none vs 1) and iOS requirement (5.1.1 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Factory sells 1 one-off in-app purchase. Theremini Advanced Software Editor asks for nothing beyond the download.

Factory holds the better App Store score, 4.9 against 3.8. That said, the two scores are not equally well evidenced: Factory has 488 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 60% of Theremini Advanced Software Editor's written reviews are positive against 81% of Factory's.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Theremini Advanced Software Editor | Factory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (13 ratings)](https://appshunter.io/ios/app/theremini-advanced-software-editor/id929763039/reviews) | **[4.9 (488 ratings)](https://appshunter.io/ios/app/factory-modular-synthesizer/id1458743434/reviews)** |
| Number of ratings | 13 | **488** |
| Positive reviews | 60.0% of reviews | **81.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 50 MB | 351 MB |
| Requires iOS | **5.1.1** | 17.6 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Moog Music Inc.](https://appshunter.io/developer/396776421) | [Sugar Bytes GmbH](https://appshunter.io/developer/614418826) |

## What reviewers say

### Theremini Advanced Software Editor

[App page](https://appshunter.io/ios/app/theremini-advanced-software-editor/id929763039)

This application allows users to deeply customize and manage sounds for their Moog Theremini hardware synthesizer. It provides tools to create new presets, edit existing ones, and organize sound libraries. Users can also access an exclusive library of new presets to enhance their creative process.

**Highlights:** Create new presets, Edit existing presets, Craft new sounds in real-time, Manage preset libraries, Share sound libraries, Edit global settings

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Theremini Advanced Software Editor free?

Theremini Advanced Software Editor is free to download, with no in-app purchases.

### Is Factory free?

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

### Which has better reviews, Theremini Advanced Software Editor or Factory?

Factory is rated higher. Theremini Advanced Software Editor averages 3.8 out of 5 from 13 ratings, while Factory averages 4.9 from 488 ratings.

### Do Theremini Advanced Software Editor or Factory have ads?

Neither Theremini Advanced Software Editor nor Factory shows ads.

### Which is updated more often, Theremini Advanced Software Editor or Factory?

Theremini Advanced Software Editor ships an update every 4 months, and Factory every 4 months. Most recently, Theremini Advanced Software Editor was updated on October 16, 2026 and Factory on October 17, 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.*