# Theremini Advanced Software Editor vs Aparillo

The clearest difference is rating: Aparillo at 4.9 against Theremini Advanced Software Editor's 3.8. Aparillo also leads on review sentiment (88% vs 60%) and ratings volume (506 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. Aparillo sells 1 one-off in-app purchase. Theremini Advanced Software Editor asks for nothing beyond the download.

Aparillo holds the better App Store score, 4.9 against 3.8. That said, the two scores are not equally well evidenced: Aparillo has 506 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 88% of Aparillo's.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on June 1, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Theremini Advanced Software Editor | Aparillo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (13 ratings)](https://appshunter.io/ios/app/theremini-advanced-software-editor/id929763039/reviews) | **[4.9 (506 ratings)](https://appshunter.io/ios/app/aparillo/id1439914019/reviews)** |
| Number of ratings | 13 | **506** |
| Positive reviews | 60.0% of reviews | **88.5% 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 | 51 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


### Aparillo

[App page](https://appshunter.io/ios/app/aparillo/id1439914019)

This advanced FM synthesizer creates complex soundscapes, atmospheres, and a wide range of timbres for film, TV, and games. It features two interacting FM synths, integrated effects, and an intuitive 'Orbiter' for one-touch sound morphing. Seamlessly integrate with your mobile studio setup via MIDI and Audio Unit v3 support.

**Highlights:** 16-voice FM Synthesizer, Complex sound design, Integrated FX (Filter, Delay, Reverb, Spacializer), Orbiter for sound morphing, Standalone & Audio Unit v3 support, MIDI and Ableton Link integration, iCloud Preset Sync

**In-app purchases (1)**

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

**What reviewers like**

- 🚀 Powerful sound design capabilities
- 👍 Intuitive and creative interface
- 🎨 Cinematic and otherworldly sounds
- 💡 Innovative orbit and spatial features
- 🔥 Excellent presets and sound quality

**What reviewers complain about**

- 🐛 Occasional crashes and stability issues
- 🔍 Lack of clear documentation and tutorials
- 📱 UI not optimized for larger iPad screens
- 💰 Paid upgrade required for full functionality

**Reported bugs**

- Saved patches not compatible across versions
- Orbiter parameters not accessible on latest iOS

**Requested features**

- More preset packs and sound libraries
- Improved MIDI and automation support
- Custom tuning and scale options
- Expanded keyboard and note range


## Frequently asked questions

### Is Theremini Advanced Software Editor free?

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

### Is Aparillo free?

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

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

Aparillo is rated higher. Theremini Advanced Software Editor averages 3.8 out of 5 from 13 ratings, while Aparillo averages 4.9 from 506 ratings.

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

Neither Theremini Advanced Software Editor nor Aparillo shows ads.

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

Theremini Advanced Software Editor ships an update every 4 months, and Aparillo every 4 months. Most recently, Theremini Advanced Software Editor was updated on June 1, 2026 and Aparillo on September 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.*