# Multiple Polyrhythms vs PolyNoise Musical Metronome

The clearest difference is in-app purchases: Multiple Polyrhythms at none against PolyNoise Musical Metronome's 11. Multiple Polyrhythms also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. PolyNoise Musical Metronome sells 11 one-off in-app purchases. Multiple Polyrhythms asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Multiple Polyrhythms | PolyNoise Musical Metronome |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (6 ratings)](https://appshunter.io/ios/app/multiple-polyrhythms/id1308050560/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | — |
| Size | 9 MB | 26 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Audun Jørstad Lillekjendlie](https://appshunter.io/developer/1098933901) | [OLEG LESHCHEV](https://appshunter.io/developer/1757155028) |

## What reviewers say

### Multiple Polyrhythms

[App page](https://appshunter.io/ios/app/multiple-polyrhythms/id1308050560)

Enhance your rhythmic abilities by practicing multiple meters at once. This application allows for the simultaneous use of up to four distinct time signatures, offering a unique approach to polyrhythm training.

**Highlights:** Simultaneous meter practice, Up to four meters at once, Rhythm skill development, Polyrhythm training tool

**Features:** macOS Compatibility

**In-app purchases:** none


### PolyNoise Musical Metronome

[App page](https://appshunter.io/ios/app/polynoise-musical-metronome/id6538728518)

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Beats per Bar | $2.99 | one-time |
| Unlock Musical Notes | $2.99 | one-time |
| Unlock Rhythms | $2.99 | one-time |
| Unlock Bars | $2.99 | one-time |
| Remove Set Limit | $2.99 | one-time |
| Unlock Undo | $2.99 | one-time |
| Remove Sound Limit | $2.99 | one-time |
| Unlock Acceleration | $2.99 | one-time |
| Tip the Developer | $4.99 | one-time |
| Full Unlock | $9.99 | one-time |
| Tip the developer (tier 2) | $19.99 | one-time |


## Frequently asked questions

### Is Multiple Polyrhythms free?

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

### Is PolyNoise Musical Metronome free?

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

### Do Multiple Polyrhythms or PolyNoise Musical Metronome have ads?

PolyNoise Musical Metronome shows ads; Multiple Polyrhythms does not.

### Which is updated more often, Multiple Polyrhythms or PolyNoise Musical Metronome?

Multiple Polyrhythms ships an update every 3 months, and PolyNoise Musical Metronome every 3 months. Most recently, Multiple Polyrhythms was updated on October 7, 2026 and PolyNoise Musical Metronome on October 11, 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.*