# Syntorial vs Aparillo

The clearest difference is iOS requirement: Syntorial at 11.0 against Aparillo's 17.6. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Syntorial sells 1 one-off in-app purchase and Aparillo sells 1 one-off in-app purchase. 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 Syntorial against 4.9 for Aparillo. Both are backed by a comparable volume of ratings — 273 and 506 respectively. Written reviews are what separate them: 95% of Syntorial's written reviews are positive against 89% of Aparillo's.

Syntorial ships an update every 5 months, Aparillo every 4 months. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Syntorial | Aparillo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (273 ratings)](https://appshunter.io/ios/app/syntorial/id956861240/reviews) | [4.9 (506 ratings)](https://appshunter.io/ios/app/aparillo/id1439914019/reviews) |
| Number of ratings | 273 | **506** |
| Positive reviews | **95.0% of reviews** | 88.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 213 MB | 51 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Audible Genius](https://appshunter.io/developer/956861239) | [Sugar Bytes GmbH](https://appshunter.io/developer/614418826) |

## What reviewers say

### Syntorial

[App page](https://appshunter.io/ios/app/syntorial/id956861240)

Learn to program synthesizer patches by ear with interactive challenges and video demonstrations. This app focuses on practical sound design, teaching you how each control affects sound and how to recreate sounds you hear.

**Highlights:** Interactive programming challenges, Video demonstrations, Built-in soft synth, Ear training for sound recognition, Practical application of synth controls, Quizzes for retention

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade To Full Version | $129.99 | one-time |


### 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 Syntorial free?

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

### Is Aparillo free?

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

### Which has better reviews, Syntorial or Aparillo?

Syntorial and Aparillo are both rated 4.9 out of 5 on the App Store, from 273 and 506 ratings respectively.

### Do Syntorial or Aparillo have ads?

Neither Syntorial nor Aparillo shows ads.

### Which is updated more often, Syntorial or Aparillo?

Syntorial ships an update every 5 months, and Aparillo every 4 months. Most recently, Syntorial was updated on October 16, 2026 and Aparillo 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.*