# ProMetronome+ vs ShamiScore

The clearest difference is in-app purchases: ProMetronome+ at none against ShamiScore's 1. ShamiScore's advantage is ads (none vs shown) and update cadence (every 3 days vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ShamiScore sells 1 one-off in-app purchase. ProMetronome+ asks for nothing beyond the download.

ProMetronome+ ships an update every 2 weeks, ShamiScore every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | ProMetronome+ | ShamiScore |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 4 MB | 16 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [MIZOU, CO., LTD.](https://appshunter.io/developer/1542553141) | [Shu Kawakami](https://appshunter.io/developer/1746443537) |

## What reviewers say

### ProMetronome+

[App page](https://appshunter.io/ios/app/prometronome-plus/id6760995740)

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

**In-app purchases:** none


### ShamiScore

[App page](https://appshunter.io/ios/app/shamiscore/id6767441963)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShamiScore Pro | $99.99 | one-time |


## Frequently asked questions

### Is ProMetronome+ free?

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

### Is ShamiScore free?

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

### Do ProMetronome+ or ShamiScore have ads?

ProMetronome+ shows ads; ShamiScore does not.

### Which is updated more often, ProMetronome+ or ShamiScore?

ProMetronome+ ships an update every 2 weeks, and ShamiScore every 3 days. Most recently, ProMetronome+ was updated on October 24, 2026 and ShamiScore on October 24, 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.*