# Synesthesia Synth vs KG

The clearest difference is iOS requirement: Synesthesia Synth at 16.0 against KG's 26.5. On price, update cadence, 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 ships an update every 10 days, KG every 3 weeks. The most recent releases landed on November 5, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Synesthesia Synth | KG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/synesthesia-synth/id6763379132/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 141 MB | 36 MB |
| Requires iOS | **16.0** | 26.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MICHELE ZACCAGNINI](https://appshunter.io/developer/1895288560) | [Kouki Yoshimoto](https://appshunter.io/developer/1884780659) |

## 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


### KG

[App page](https://appshunter.io/ios/app/kg-square-virtual-analog-synth/id6776108274)

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

**In-app purchases:** none


## Frequently asked questions

### Is Synesthesia Synth free?

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

### Is KG free?

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

### Do Synesthesia Synth or KG have ads?

Neither Synesthesia Synth nor KG shows ads.

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

Synesthesia Synth ships an update every 10 days, and KG every 3 weeks. Most recently, Synesthesia Synth was updated on November 5, 2026 and KG on November 7, 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.*