# Holon vs GORILLA SYNTH

The clearest difference is price: Holon at Free against GORILLA SYNTH's $4.99. Holon also leads on iOS requirement (12.0 vs 15.2). GORILLA SYNTH's advantage is in-app purchases (none vs 2) and rating (4.9 vs 4.5). On ratings volume, ads, monetization model and device support there is nothing between them.

Holon is free to download; GORILLA SYNTH costs $4.99 up front. Holon sells 2 one-off in-app purchases. GORILLA SYNTH asks for nothing beyond the download.

GORILLA SYNTH holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 14 and 21 respectively. Written reviews point the same way: 75% of Holon's written reviews are positive against 88% of GORILLA SYNTH's.

Holon ships an update every 3 months, GORILLA SYNTH every 3 weeks. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Holon | GORILLA SYNTH |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [4.5 (14 ratings)](https://appshunter.io/ios/app/holon/id1352687747/reviews) | **[4.9 (21 ratings)](https://appshunter.io/ios/app/gorilla-synth/id6756503672/reviews)** |
| Number of ratings | 14 | **21** |
| Positive reviews | 75.0% of reviews | **87.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 144 MB | 4 MB |
| Requires iOS | **12.0** | 15.2 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Holonic Systems Oy](https://appshunter.io/developer/1172474856) | [Steffen Mølgaard Larsen](https://appshunter.io/developer/1860980002) |

## What reviewers say

### Holon

[App page](https://appshunter.io/ios/app/holon/id1352687747)

This app transforms your movement through cities into a dynamic, real-time musical score. It uses your physical location and activity to generate interactive synth music, encouraging outdoor exploration and turning listeners into performers.

**Highlights:** Human-powered music generation, Encourages outdoor activity, Zero UI for minimal distraction, Environmentally responsive music, Real-time synth music creation, Optional AirPods and Apple Watch integration

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Apple Watch support | Free | one-time |
| Movesense Support | Free | one-time |


### GORILLA SYNTH

[App page](https://appshunter.io/ios/app/gorilla-synth/id6756503672)

This app offers a punchy, analog-style subtractive synthesizer for iOS, designed for fast sound design and expressive musical performance. It provides studio-quality sound with a clean interface, ideal for sketching ideas, producing tracks, or live playing.

**Highlights:** Dual oscillators with sub and noise, Classic ladder filter, Dual ADSR envelopes, Duophonic mode with glide, LFO modulation, Touch-optimized controls, AUv3 instrument support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Holon free?

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

### Is GORILLA SYNTH free?

GORILLA SYNTH costs $4.99, with no in-app purchases.

### Which has better reviews, Holon or GORILLA SYNTH?

GORILLA SYNTH is rated higher. Holon averages 4.5 out of 5 from 14 ratings, while GORILLA SYNTH averages 4.9 from 21 ratings.

### Do Holon or GORILLA SYNTH have ads?

Neither Holon nor GORILLA SYNTH shows ads.

### Which is updated more often, Holon or GORILLA SYNTH?

Holon ships an update every 3 months, and GORILLA SYNTH every 3 weeks. Most recently, Holon was updated on October 3, 2026 and GORILLA SYNTH on October 9, 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.*