# メトロノーム Poly vs MetroNova

The clearest difference is in-app purchases: メトロノーム Poly at none against MetroNova's 1. メトロノーム Poly also leads on iOS requirement (15.6 vs 17.0). MetroNova's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. MetroNova sells 1 one-off in-app purchase. メトロノーム Poly asks for nothing beyond the download.

メトロノーム Poly ships an update every 6 days, MetroNova every 5 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | メトロノーム Poly | MetroNova |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | **Every 5 days** |
| Size | 6 MB | 1 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nito Kiyoshi](https://appshunter.io/developer/1861743869) | [Mina Iwabuchi](https://appshunter.io/developer/1889826002) |

## What reviewers say

### メトロノーム Poly

[App page](https://appshunter.io/ios/app/poly-2/id6756605549)

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

**In-app purchases:** none


### MetroNova

[App page](https://appshunter.io/ios/app/metronova/id6764052127)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| メトロノーヴァ Pro | $2.99 | one-time |


## Frequently asked questions

### Is メトロノーム Poly free?

メトロノーム Poly is free to download, with no in-app purchases.

### Is MetroNova free?

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

### Do メトロノーム Poly or MetroNova have ads?

メトロノーム Poly shows ads; MetroNova does not.

### Which is updated more often, メトロノーム Poly or MetroNova?

メトロノーム Poly ships an update every 6 days, and MetroNova every 5 days. Most recently, メトロノーム Poly was updated on November 5, 2026 and MetroNova on November 5, 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.*