# EASA ATPL vs LetzFly Ground School

The clearest difference is iOS requirement: EASA ATPL at 13.4 against LetzFly Ground School's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. EASA ATPL sells 10 one-off in-app purchases and LetzFly Ground School sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | EASA ATPL | LetzFly Ground School |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Size | 22 MB | 188 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sergei Vildanov](https://appshunter.io/developer/1773329159) | [NeatCapital OU](https://appshunter.io/developer/841531887) |

## What reviewers say

### EASA ATPL

[App page](https://appshunter.io/ios/app/easa-atpl/id6742663227)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Human Factor | $2.99 | one-time |
| Navigation | $2.99 | one-time |
| Performance | $2.99 | one-time |
| Mass and Balance | $2.99 | one-time |
| OPS Procedures | $2.99 | one-time |
| Meteorology | $2.99 | one-time |
| Airplane Systems | $2.99 | one-time |
| Instrumentation | $2.99 | one-time |
| Radio Navigation | $2.99 | one-time |
| 14 Days Full Access | $14.99 | one-time |


### LetzFly Ground School

[App page](https://appshunter.io/ios/app/letzfly-ground-school/id6768289173)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Air Law | $5.99 | one-time |
| Aircraft General Knowledge | $5.99 | one-time |
| Flight Performance and Planning | $5.99 | one-time |
| Human Performance | $5.99 | one-time |
| Meteorology | $5.99 | one-time |
| Navigation | $5.99 | one-time |
| Operational Procedures | $5.99 | one-time |
| Principles of Flight | $5.99 | one-time |
| Communications | $5.99 | one-time |
| Unlock All Topics | $29.99 | one-time |


## Frequently asked questions

### Is EASA ATPL free?

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

### Is LetzFly Ground School free?

LetzFly Ground School is free to download, with in-app purchases available.

### Do EASA ATPL or LetzFly Ground School have ads?

Neither EASA ATPL nor LetzFly Ground School shows ads.

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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.*