# PC3K Sound Editor vs Aparillo

The clearest difference is in-app purchases: PC3K Sound Editor at none against Aparillo's 1. PC3K Sound Editor also leads on iOS requirement (8.0 vs 17.6). Aparillo's advantage is ratings volume (506 vs 2) and review sentiment (88% vs 67%). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Aparillo sells 1 one-off in-app purchase. PC3K Sound Editor asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for PC3K Sound Editor against 4.9 for Aparillo. That said, the two scores are not equally well evidenced: Aparillo has 506 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 67% of PC3K Sound Editor's written reviews are positive against 88% of Aparillo's.

PC3K Sound Editor ships an update every 3 months, Aparillo every 4 months. The most recent releases landed on June 2, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | PC3K Sound Editor | Aparillo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pc3k-sound-editor/id797862182/reviews)** | [4.9 (506 ratings)](https://appshunter.io/ios/app/aparillo/id1439914019/reviews) |
| Number of ratings | 2 | **506** |
| Positive reviews | 66.7% of reviews | **88.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 40 MB | 51 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [SoundTower Inc.](https://appshunter.io/developer/757478129) | [Sugar Bytes GmbH](https://appshunter.io/developer/614418826) |

## What reviewers say

### PC3K Sound Editor

[App page](https://appshunter.io/ios/app/pc3k-sound-editor/id797862182)

This tool allows for the editing and manipulation of sound programs and setups for the Kurzweil PC3K synthesizer. It offers real-time parameter adjustments, layer management, and data transfer capabilities directly from an iPad.

**Highlights:** Program Channel Mixer, Program Common parameter editing, Program Layer manipulation, MIDI Continuous Controller tools, Real-time Setup Mode parameter editing, Import Setup Zones, Transmit and receive data

**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 PC3K Sound Editor free?

PC3K Sound 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, PC3K Sound Editor or Aparillo?

PC3K Sound Editor is rated higher. PC3K Sound Editor averages 5.0 out of 5 from 2 ratings, while Aparillo averages 4.9 from 506 ratings.

### Do PC3K Sound Editor or Aparillo have ads?

Neither PC3K Sound Editor nor Aparillo shows ads.

### Which is updated more often, PC3K Sound Editor or Aparillo?

PC3K Sound Editor ships an update every 3 months, and Aparillo every 4 months. Most recently, PC3K Sound Editor was updated on June 2, 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.*