# Master Disk vs Cat CPU System

The clearest difference is iOS requirement: Master Disk at 10.1 against Cat CPU System's 15.0. 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.

## The numbers

| Metric | Master Disk | Cat CPU System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/master-disk-cloud-storage/id1432609491/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | Free | — |
| Size | 54 MB | 39 MB |
| Requires iOS | **10.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MasterDC s.r.o.](https://appshunter.io/developer/944269893) | [Brook Design, LLC](https://appshunter.io/developer/1190785004) |

## What reviewers say

### Master Disk

[App page](https://appshunter.io/ios/app/master-disk-cloud-storage/id1432609491)

Securely store documents, photos, and videos in one organized online space. Offers 5GB of free storage and features like voice recording and file management. Keep your digital life accessible and protected with login security.

**Highlights:** Secure online storage, Store documents, photos, videos, Voice recording, File organization in folders, File management (rename, delete), 5GB free space, Login security

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

**In-app purchases:** none


### Cat CPU System

[App page](https://appshunter.io/ios/app/cat-cpu-system/id6695728672)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Master Disk free?

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

### Is Cat CPU System free?

Cat CPU System is free to download, with no in-app purchases.

### Do Master Disk or Cat CPU System have ads?

Neither Master Disk nor Cat CPU System shows ads.

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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.*