# Effectrix vs Theremini Advanced Software Editor

The clearest difference is rating: Effectrix at 4.7 against Theremini Advanced Software Editor's 3.8. Effectrix also leads on ratings volume (97 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, review sentiment, update cadence and ads there is nothing between them.

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

Effectrix holds the better App Store score, 4.7 against 3.8. That said, the two scores are not equally well evidenced: Effectrix has 97 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 67% of Effectrix's written reviews are positive against 60% of Theremini Advanced Software Editor's.

Effectrix ships an update every 3 months, Theremini Advanced Software Editor every 4 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Effectrix | Theremini Advanced Software Editor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (97 ratings)](https://appshunter.io/ios/app/effectrix/id681772221/reviews)** | [3.8 (13 ratings)](https://appshunter.io/ios/app/theremini-advanced-software-editor/id929763039/reviews) |
| Number of ratings | **97** | 13 |
| Positive reviews | **67.3% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Paid | **Free** |
| Size | 55 MB | 50 MB |
| Requires iOS | 17.6 | **5.1.1** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sugar Bytes GmbH](https://appshunter.io/developer/614418826) | [Moog Music Inc.](https://appshunter.io/developer/396776421) |

## What reviewers say

### Effectrix

[App page](https://appshunter.io/ios/app/effectrix/id681772221)

This professional multi-effect sequencer for iPad allows users to create unique sound patterns and loop collages by scattering 14 intelligent effects across a sequencer matrix. It offers a playful workflow, refined algorithms, and a wide spectrum of effects for outstanding results.

**Highlights:** Multi-effect sequencer matrix, 14 intelligent effects, Creative sound pattern generation, Loop collage creation, Audio Unit v3 integration, Full MIDI support, Ableton Link synchronization

**In-app purchases (1)**

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

**What reviewers like**

- ✨ Powerful FX manipulation
- 🎶 Great for creative producers
- 💡 Innovative effects sequencer
- 🎛️ Deep and rewarding to learn
- 🎹 AUv3 support is a game-changer

**What reviewers complain about**

- 🐛 Bugs and crashes
- ⏳ Sync issues
- 🔌 Poor integration with workflows
- 🤔 Can be overwhelming initially
- ⏳ Effects feel dated

**Reported bugs**

- Not working on iPad M1
- Plugin not loading
- No sync
- Noisy
- Automation through BM3 works intermittently

**Requested features**

- AUv3 update needed
- Improved sync functionality
- Tap to delete gesture
- Higher quality on iOS (like PC)
- Desktop quality on iOS


### 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


## Frequently asked questions

### Is Effectrix free?

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

### Is Theremini Advanced Software Editor free?

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

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

Effectrix is rated higher. Effectrix averages 4.7 out of 5 from 97 ratings, while Theremini Advanced Software Editor averages 3.8 from 13 ratings.

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

Neither Effectrix nor Theremini Advanced Software Editor shows ads.

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

Effectrix ships an update every 3 months, and Theremini Advanced Software Editor every 4 months. Most recently, Effectrix was updated on November 1, 2026 and Theremini Advanced Software Editor on November 6, 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.*