# Prismtone vs Synesthesia Synth

The clearest difference is in-app purchases: Synesthesia Synth at none against Prismtone's 2. Synesthesia Synth also leads on ads (none vs shown) and update cadence (every 10 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Prismtone sells 2 in-app purchases, starting at $2.99 per month. Synesthesia Synth asks for nothing beyond the download.

Prismtone ships an update monthly, Synesthesia Synth every 10 days. The most recent releases landed on September 14, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Prismtone | Synesthesia Synth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/synesthesia-synth/id6763379132/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | — | Free |
| Size | 179 MB | 141 MB |
| Requires iOS | 16.2 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Illia Cherednychenko](https://appshunter.io/developer/1874558710) | [MICHELE ZACCAGNINI](https://appshunter.io/developer/1895288560) |

## What reviewers say

### Prismtone

[App page](https://appshunter.io/ios/app/prismtone/id6758713499)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prismtone Premium (Monthly) | $2.99 | per month |
| Prismtone Premium (Yearly) | $24.99 | per year |


### 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


## Frequently asked questions

### Is Prismtone free?

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

### Is Synesthesia Synth free?

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

### Do Prismtone or Synesthesia Synth have ads?

Prismtone shows ads; Synesthesia Synth does not.

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

Prismtone ships an update monthly, and Synesthesia Synth every 10 days. Most recently, Prismtone was updated on September 14, 2026 and Synesthesia Synth on September 19, 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.*