# GCP vs GCP Knowledge Test

The clearest difference is update cadence: GCP Knowledge Test at every 5 weeks against GCP's every 9 months. GCP's advantage is iOS requirement (10.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. GCP sells 1 one-off in-app purchase and GCP Knowledge Test sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

GCP ships an update every 9 months, GCP Knowledge Test every 5 weeks. The most recent releases landed on December 12, 2025 and September 13, 2026 respectively.

## The numbers

| Metric | GCP | GCP Knowledge Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 weeks** |
| Size | 25 MB | 13 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Trieu Tran](https://appshunter.io/developer/1395838483) | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) |

## What reviewers say

### GCP

[App page](https://appshunter.io/ios/app/gcp/id1624259317)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all premium content | $7.99 | one-time |


### GCP Knowledge Test

[App page](https://appshunter.io/ios/app/gcp-knowledge-test/id6683289765)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $12.99 | per month |
| Lifetime version | $24.99 | one-time |


## Frequently asked questions

### Is GCP free?

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

### Is GCP Knowledge Test free?

GCP Knowledge Test is free to download, with in-app purchases available.

### Do GCP or GCP Knowledge Test have ads?

Neither GCP nor GCP Knowledge Test shows ads.

### Which is updated more often, GCP or GCP Knowledge Test?

GCP ships an update every 9 months, and GCP Knowledge Test every 5 weeks. Most recently, GCP was updated on December 12, 2025 and GCP Knowledge Test on September 13, 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.*