# The FFX® App vs EU Knowledge Prep

The clearest difference is in-app purchases: The FFX® App at none against EU Knowledge Prep's 1. The FFX® App also leads on device support and iOS requirement (15.1 vs 18.6). On price there is nothing between them.

Both are free to download. EU Knowledge Prep sells 1 in-app purchase, starting at $4.99 per month. The FFX® App asks for nothing beyond the download.

## The numbers

| Metric | The FFX® App | EU Knowledge Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 5 days | — |
| Size | 34 MB | 6 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [SC MEDICA](https://appshunter.io/developer/1753029276) | [GVIX Labs S.R.L.](https://appshunter.io/developer/1815439573) |

## What reviewers say

### The FFX® App

[App page](https://appshunter.io/ios/app/the-ffx-app/id6504606873)

**Features:** macOS Compatibility

**In-app purchases:** none


### EU Knowledge Prep

[App page](https://appshunter.io/ios/app/eu-knowledge-prep/id6760788447)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |


## Frequently asked questions

### Is The FFX® App free?

The FFX® App is free to download, with no in-app purchases.

### Is EU Knowledge Prep free?

EU Knowledge Prep is free to download, with in-app purchases available.

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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.*