# ZZZ Polyrhythm vs Polyrhythm Metronome Pro

The clearest difference is in-app purchases: Polyrhythm Metronome Pro at none against ZZZ Polyrhythm's 1. Polyrhythm Metronome Pro also leads on ads (none vs shown) and update cadence (every 4 days vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ZZZ Polyrhythm sells 1 in-app purchase, starting at $0.99 per month. Polyrhythm Metronome Pro asks for nothing beyond the download.

ZZZ Polyrhythm ships an update every 6 weeks, Polyrhythm Metronome Pro every 4 days. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | ZZZ Polyrhythm | Polyrhythm Metronome Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Size | 6 MB | 16 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SMOLT STAGE, K.K.](https://appshunter.io/developer/1708601451) | [Mathieu OSCAR](https://appshunter.io/developer/6782116853) |

## What reviewers say

### ZZZ Polyrhythm

[App page](https://appshunter.io/ios/app/zzz-polyrhythm/id6773375285)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZZZ Polyrhythm Premium | $0.99 | per month |


### Polyrhythm Metronome Pro

[App page](https://appshunter.io/ios/app/polyrhythm-metronome-pro/id6782116851)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZZZ Polyrhythm free?

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

### Is Polyrhythm Metronome Pro free?

Polyrhythm Metronome Pro is free to download, with no in-app purchases.

### Do ZZZ Polyrhythm or Polyrhythm Metronome Pro have ads?

ZZZ Polyrhythm shows ads; Polyrhythm Metronome Pro does not.

### Which is updated more often, ZZZ Polyrhythm or Polyrhythm Metronome Pro?

ZZZ Polyrhythm ships an update every 6 weeks, and Polyrhythm Metronome Pro every 4 days. Most recently, ZZZ Polyrhythm was updated on October 26, 2026 and Polyrhythm Metronome Pro on October 20, 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.*