# ClefMastery vs GCP Exam Prep 2026

The clearest difference is update cadence: ClefMastery at every 5 days against GCP Exam Prep 2026's fortnightly. ClefMastery also leads on device support (4 vs 2) and iOS requirement (13.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. ClefMastery sells 1 one-off in-app purchase and GCP Exam Prep 2026 sells 3 in-app purchases, starting at $34.99 per month. Whichever you choose, the download price is not the number that matters.

ClefMastery ships an update every 5 days, GCP Exam Prep 2026 fortnightly. Both last shipped on October 31, 2026.

## The numbers

| Metric | ClefMastery | GCP Exam Prep 2026 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Size | 20 MB | 22 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Michaelis](https://appshunter.io/developer/902580084) | [Manh Nguyen](https://appshunter.io/developer/1781255762) |

## What reviewers say

### ClefMastery

[App page](https://appshunter.io/ios/app/clefmastery/id6759814155)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ClefMastery Lifetime Unlock | $9.99 | one-time |


### GCP Exam Prep 2026

[App page](https://appshunter.io/ios/app/gcp-exam-prep-2026/id6760000027)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Month Package | $34.99 | per month |
| 3-Month Package | $79.00 | per 3 months |
| 1-Year Package | $249.00 | per year |


## Frequently asked questions

### Is ClefMastery free?

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

### Is GCP Exam Prep 2026 free?

GCP Exam Prep 2026 is free to download, with in-app purchases available.

### Do ClefMastery or GCP Exam Prep 2026 have ads?

Neither ClefMastery nor GCP Exam Prep 2026 shows ads.

### Which is updated more often, ClefMastery or GCP Exam Prep 2026?

ClefMastery ships an update every 5 days, and GCP Exam Prep 2026 fortnightly. Most recently, ClefMastery was updated on October 31, 2026 and GCP Exam Prep 2026 on October 31, 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.*