# Synesthesia Synth vs S

The clearest difference is rating: Synesthesia Synth at 5.0 against S's 4.5. Synesthesia Synth also leads on update cadence (every 10 days vs every 6 weeks). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Synesthesia Synth holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Synesthesia Synth ships an update every 10 days, S every 6 weeks. The most recent releases landed on October 3, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Synesthesia Synth | S |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/synesthesia-synth/id6763379132/reviews)** | [4.5 (4 ratings)](https://appshunter.io/ios/app/s-2/id6769518675/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 141 MB | 17 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MICHELE ZACCAGNINI](https://appshunter.io/developer/1895288560) | [Mathias Kirkerød](https://appshunter.io/developer/1884969842) |

## What reviewers say

### Synesthesia Synth

[App page](https://appshunter.io/ios/app/synesthesia-synth/id6763379132)

An experimental audio-visual instrument that allows users to sculpt evolving spatial audio by manipulating floating capsules. Position, rotation, and pulse changes affect tone, texture, and synchronized particle generation. It's a visual synthesizer, not a game.

**Highlights:** Experimental audio-visual instrument, Sculpt evolving spatial audio, Manipulate floating capsules, Control tone, texture, and particles, Visual synthesizer

**In-app purchases:** none


### S

[App page](https://appshunter.io/ios/app/s-2/id6769518675)

This app is a polyphonic synthesizer that works with specific hardware. It offers a variety of sound engines, filters, and effects for creating unique audio textures. Advanced modulation options and a flexible routing system allow for deep sound design.

**Highlights:** Dual engine slots per voice, Multiple sound flavors (analog, wavetable, FM, speech), Classic and Modern filter modes, Advanced FX rack, Two free-routing LFOs, Unified mod matrix, Standalone, AU, and AUv3 formats

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Synesthesia Synth free?

Synesthesia Synth is free to download, with no in-app purchases.

### Is S free?

S is free to download, with no in-app purchases.

### Which has better reviews, Synesthesia Synth or S?

Synesthesia Synth is rated higher. Synesthesia Synth averages 5.0 out of 5 from 2 ratings, while S averages 4.5 from 4 ratings.

### Do Synesthesia Synth or S have ads?

Neither Synesthesia Synth nor S shows ads.

### Which is updated more often, Synesthesia Synth or S?

Synesthesia Synth ships an update every 10 days, and S every 6 weeks. Most recently, Synesthesia Synth was updated on October 3, 2026 and S on September 26, 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.*