# Rivet 02 vs Synesthesia Synth

The clearest difference is in-app purchases: Synesthesia Synth at none against Rivet 02's 3. Rivet 02's advantage is update cadence (every 5 days vs every 10 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Rivet 02 sells 3 one-off in-app purchases. Synesthesia Synth asks for nothing beyond the download.

Rivet 02 ships an update every 5 days, Synesthesia Synth every 10 days. The most recent releases landed on September 25, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Rivet 02 | 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 | No | No |
| Update frequency | **Every 5 days** | Every 10 days |
| Monetization | — | Free |
| Size | 4 MB | 141 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Joe Topjian](https://appshunter.io/developer/1860697112) | [MICHELE ZACCAGNINI](https://appshunter.io/developer/1895288560) |

## What reviewers say

### Rivet 02

[App page](https://appshunter.io/ios/app/rivet-02-room/id6758566292)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip - Small | $0.99 | one-time |
| Tip - Medium | $1.99 | one-time |
| Tip - Large | $3.99 | one-time |


### 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 Rivet 02 free?

Rivet 02 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 Rivet 02 or Synesthesia Synth have ads?

Neither Rivet 02 nor Synesthesia Synth shows ads.

### Which is updated more often, Rivet 02 or Synesthesia Synth?

Rivet 02 ships an update every 5 days, and Synesthesia Synth every 10 days. Most recently, Rivet 02 was updated on September 25, 2026 and Synesthesia Synth on October 3, 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.*