# Mastercheck 2.0 vs De Key Technical

The clearest difference is update cadence: Mastercheck 2.0 at every 3 weeks against De Key Technical's every 6 months. Mastercheck 2.0 also leads on iOS requirement (12.0 vs 14.0). 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.

Mastercheck 2.0 ships an update every 3 weeks, De Key Technical every 6 months. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Mastercheck 2.0 | De Key Technical |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Size | 36 MB | 62 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ACIDUS BV](https://appshunter.io/developer/1518040193) | [GuestCompass](https://appshunter.io/developer/848540712) |

## What reviewers say

### Mastercheck 2.0

[App page](https://appshunter.io/ios/app/mastercheck-20/id1518040194)

**In-app purchases:** none


### De Key Technical

[App page](https://appshunter.io/ios/app/de-key-technical/id1604224161)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Mastercheck 2.0 free?

Mastercheck 2.0 is free to download, with no in-app purchases.

### Is De Key Technical free?

De Key Technical is free to download, with no in-app purchases.

### Do Mastercheck 2.0 or De Key Technical have ads?

Neither Mastercheck 2.0 nor De Key Technical shows ads.

### Which is updated more often, Mastercheck 2.0 or De Key Technical?

Mastercheck 2.0 ships an update every 3 weeks, and De Key Technical every 6 months. Most recently, Mastercheck 2.0 was updated on September 9, 2026 and De Key Technical on September 8, 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.*