# CM盒子 vs Metronome Precision

The clearest difference is in-app purchases: CM盒子 at none against Metronome Precision's 5. CM盒子 also leads on iOS requirement (11.0 vs 13.0). Metronome Precision's advantage is ads (none vs shown) and update cadence (weekly vs fortnightly). On price and device support there is nothing between them.

Both are free to download. Metronome Precision sells 5 one-off in-app purchases. CM盒子 asks for nothing beyond the download.

CM盒子 ships an update fortnightly, Metronome Precision weekly. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CM盒子 | Metronome Precision |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (5 ratings)](https://appshunter.io/ios/app/metronome-precision/id6446777480/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 41 MB | 12 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [兵兵 沈](https://appshunter.io/developer/1177364673) | [红玲 张](https://appshunter.io/developer/1676580816) |

## What reviewers say

### CM盒子

[App page](https://appshunter.io/ios/app/cm/id1436691454)

**Features:** macOS Compatibility

**In-app purchases:** none


### Metronome Precision

[App page](https://appshunter.io/ios/app/metronome-precision/id6446777480)

A high-performance metronome app for musicians of all levels, offering ultra-precise timing, diverse sound options, and visual feedback. Save and recall rhythms, practice complex patterns, and enjoy a dark mode for comfortable use.

**Highlights:** Ultra-precise timing engine, Variety of timbres, Tap Tempo, Rhythm Collections, Rhythm Visualization, Subdivision support, Dark mode

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Song List | $0.99 | one-time |
| Torch & Flash Screen | $0.99 | one-time |
| Subdivision Support | $0.99 | one-time |
| More Timbres | $0.99 | one-time |
| professional | $2.99 | one-time |


## Frequently asked questions

### Is CM盒子 free?

CM盒子 is free to download, with no in-app purchases.

### Is Metronome Precision free?

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

### Do CM盒子 or Metronome Precision have ads?

CM盒子 shows ads; Metronome Precision does not.

### Which is updated more often, CM盒子 or Metronome Precision?

CM盒子 ships an update fortnightly, and Metronome Precision weekly. Most recently, CM盒子 was updated on October 12, 2026 and Metronome Precision on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*