# Piamate Plus vs Metronom 137

The clearest difference is update cadence: Metronom 137 at every 2 weeks against Piamate Plus's every 13 months. Piamate Plus's advantage is iOS requirement (15.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Piamate Plus ships an update every 13 months, Metronom 137 every 2 weeks. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Piamate Plus | Metronom 137 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 weeks** |
| Size | 2 MB | 6 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Nissin Electro Co., Ltd.](https://appshunter.io/developer/945540699) | [Thibault Ducray](https://appshunter.io/developer/954994222) |

## What reviewers say

### Piamate Plus

[App page](https://appshunter.io/ios/app/piamate-plus/id1432343163)

**Features:** Vision Pro support

**In-app purchases:** none


### Metronom 137

[App page](https://appshunter.io/ios/app/metronom-137/id6499492237)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Piamate Plus free?

Piamate Plus is free to download, with no in-app purchases.

### Is Metronom 137 free?

Metronom 137 is free to download, with no in-app purchases.

### Do Piamate Plus or Metronom 137 have ads?

Neither Piamate Plus nor Metronom 137 shows ads.

### Which is updated more often, Piamate Plus or Metronom 137?

Piamate Plus ships an update every 13 months, and Metronom 137 every 2 weeks. Most recently, Piamate Plus was updated on November 6, 2026 and Metronom 137 on November 4, 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.*