# GCM vs ContadorMus

The clearest difference is update cadence: ContadorMus at every 2 days against GCM's weekly. GCM's advantage is iOS requirement (15.6 vs 18.5). 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.

GCM ships an update weekly, ContadorMus every 2 days. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | GCM | ContadorMus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Size | 59 MB | 2 MB |
| Requires iOS | **15.6** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Instituto Tecnológico ADISIC, S.L.](https://appshunter.io/developer/1644747155) | [Angel Martin Dominguez](https://appshunter.io/developer/1859285942) |

## What reviewers say

### GCM

[App page](https://appshunter.io/ios/app/gcm/id1644747153)

**Features:** macOS Compatibility

**In-app purchases:** none


### ContadorMus

[App page](https://appshunter.io/ios/app/contadormus/id6758674264)

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

**In-app purchases:** none


## Frequently asked questions

### Is GCM free?

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

### Is ContadorMus free?

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

### Do GCM or ContadorMus have ads?

Neither GCM nor ContadorMus shows ads.

### Which is updated more often, GCM or ContadorMus?

GCM ships an update weekly, and ContadorMus every 2 days. Most recently, GCM was updated on October 9, 2026 and ContadorMus on October 7, 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.*