# Metronome vs ZZZ Polyrhythm

The clearest difference is ads: Metronome at none against ZZZ Polyrhythm's shown. Metronome also leads on device support (4 vs 2). ZZZ Polyrhythm's advantage is iOS requirement (17.0 vs 27.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Metronome sells 5 one-off in-app purchases and ZZZ Polyrhythm sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Metronome ships an update monthly, ZZZ Polyrhythm every 6 weeks. The most recent releases landed on November 5, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Metronome | ZZZ Polyrhythm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (11 ratings)](https://appshunter.io/ios/app/metronome-rhythm-practice/id6762501243/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Freemium | — |
| Size | 57 MB | 6 MB |
| Requires iOS | 27.0 | **17.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JUAN CARLOS JIMENEZ](https://appshunter.io/developer/1894418712) | [SMOLT STAGE, K.K.](https://appshunter.io/developer/1708601451) |

## What reviewers say

### Metronome

[App page](https://appshunter.io/ios/app/metronome-rhythm-practice/id6762501243)

This free metronome app offers precise tempo control, customizable meters, and accent adjustments for musicians. Enhance your practice with advanced features like human voice counts, tempo ramps, and mute training, available through a one-time purchase for all your devices.

**Highlights:** Tap tempo input, Customizable meter and subdivisions, Setlist creation and management, Human voice count-in, Tempo ramp for gradual speed increase, Mute training for timing practice, Stage Mode for visibility

**Features:** Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A Coffee | $0.99 | one-time |
| Pro Upgrade | $3.99 | one-time |
| A Nice Lunch | $4.99 | one-time |
| A Great Dinner | $9.99 | one-time |
| You're Amazing | $19.99 | one-time |


### 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 |


## Frequently asked questions

### Is Metronome free?

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

### Is ZZZ Polyrhythm free?

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

### Do Metronome or ZZZ Polyrhythm have ads?

ZZZ Polyrhythm shows ads; Metronome does not.

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

Metronome ships an update monthly, and ZZZ Polyrhythm every 6 weeks. Most recently, Metronome was updated on November 5, 2026 and ZZZ Polyrhythm on October 28, 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.*