# MasterLab vs Corsi CEM

The clearest difference is ads: Corsi CEM at none against MasterLab's shown. Corsi CEM also leads on iOS requirement (13 vs 15.6). MasterLab's advantage is update cadence (fortnightly vs every 5 months). On price, 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.

MasterLab ships an update fortnightly, Corsi CEM every 5 months. The most recent releases landed on September 9, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | MasterLab | Corsi CEM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 5 months |
| Size | 62 MB | 26 MB |
| Requires iOS | 15.6 | **13** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [L4M LAB SRL S](https://appshunter.io/developer/1642473314) | [Expomeeting](https://appshunter.io/developer/1498921317) |

## What reviewers say

### MasterLab

[App page](https://appshunter.io/ios/app/masterlab/id1642473312)

**Features:** macOS Compatibility

**In-app purchases:** none


### Corsi CEM

[App page](https://appshunter.io/ios/app/corsi-cem/id6740768568)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MasterLab free?

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

### Is Corsi CEM free?

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

### Do MasterLab or Corsi CEM have ads?

MasterLab shows ads; Corsi CEM does not.

### Which is updated more often, MasterLab or Corsi CEM?

MasterLab ships an update fortnightly, and Corsi CEM every 5 months. Most recently, MasterLab was updated on September 9, 2026 and Corsi CEM on September 29, 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.*