# WindSynth 16 vs Rithmatic

The clearest difference is ads: Rithmatic at none against WindSynth 16's shown. Rithmatic also leads on update cadence (every 3 days vs every 6 weeks) and device support (4 vs 2). On price 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.

WindSynth 16 ships an update every 6 weeks, Rithmatic every 3 days. The most recent releases landed on September 21, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | WindSynth 16 | Rithmatic |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Size | 35 MB | 83 MB |
| Requires iOS | 26.4 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Kouki Yoshimoto](https://appshunter.io/developer/1884780659) | [MADE WITH BEST PRACTICE LLC](https://appshunter.io/developer/6779338119) |

## What reviewers say

### WindSynth 16

[App page](https://appshunter.io/ios/app/windsynth-16/id6766004505)

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

**In-app purchases:** none


### Rithmatic

[App page](https://appshunter.io/ios/app/rithmatic/id6794107110)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is WindSynth 16 free?

WindSynth 16 is free to download, with no in-app purchases.

### Is Rithmatic free?

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

### Do WindSynth 16 or Rithmatic have ads?

WindSynth 16 shows ads; Rithmatic does not.

### Which is updated more often, WindSynth 16 or Rithmatic?

WindSynth 16 ships an update every 6 weeks, and Rithmatic every 3 days. Most recently, WindSynth 16 was updated on September 21, 2026 and Rithmatic on September 27, 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.*