# Flight Test X20 vs EASA Part 66 Modules Exam

The clearest difference is rating: EASA Part 66 Modules Exam at 5.0 against Flight Test X20's 3.9. EASA Part 66 Modules Exam also leads on review sentiment (100% vs 60%) and device support (3 vs 1). Flight Test X20's advantage is in-app purchases (none vs 11) and ratings volume (93 vs 2). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. EASA Part 66 Modules Exam sells 11 one-off in-app purchases. Flight Test X20 asks for nothing beyond the download.

EASA Part 66 Modules Exam holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Flight Test X20 has 93 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 60% of Flight Test X20's written reviews are positive against 100% of EASA Part 66 Modules Exam's.

Flight Test X20 ships an update every 5 weeks, EASA Part 66 Modules Exam every 6 weeks. The most recent releases landed on October 16, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Flight Test X20 | EASA Part 66 Modules Exam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (93 ratings)](https://appshunter.io/ios/app/flight-test-x20/id1501097608/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/easa-part-66-modules-exam/id6736773464/reviews)** |
| Number of ratings | **93** | 2 |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 25 MB | 23 MB |
| Requires iOS | 14.0 | **13.4** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sheppard Air, Inc.](https://appshunter.io/developer/595077420) | [Sergei Vildanov](https://appshunter.io/developer/1773329159) |

## What reviewers say

### Flight Test X20

[App page](https://appshunter.io/ios/app/flight-test-x20/id1501097608)

Prepare for FAA knowledge tests with this comprehensive study platform. It offers top-off preparation for various pilot and aviation professional written exams, including instrument rating and ATP.

**Highlights:** FAA knowledge test preparation, Pilot study course, Dispatcher study course, Instrument rating preparation, Instructor written test prep, ATP written test prep

**In-app purchases:** none


### EASA Part 66 Modules Exam

[App page](https://appshunter.io/ios/app/easa-part-66-modules-exam/id6736773464)

Prepare for aviation certification exams with this app. It offers practice tests covering 17 modules, with multiple-choice questions and a time limit. Users can access free modules or purchase additional content for comprehensive study.

**Highlights:** 17 exam modules, Multiple-choice questions, Timed tests, 75% passing score, Free and paid modules, Full access purchase option

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Module 3 | $2.99 | one-time |
| Module 15 | $2.99 | one-time |
| Module 14 | $2.99 | one-time |
| Module 17 | $2.99 | one-time |
| Module 5 | $2.99 | one-time |
| Module 6 | $2.99 | one-time |
| Module 7 | $2.99 | one-time |
| Module 8 | $2.99 | one-time |
| Module 12 | $2.99 | one-time |
| Module 16 | $2.99 | one-time |
| 14 Days Full Access | $14.99 | one-time |


## Frequently asked questions

### Is Flight Test X20 free?

Flight Test X20 is free to download, with no in-app purchases.

### Is EASA Part 66 Modules Exam free?

EASA Part 66 Modules Exam is free to download, with in-app purchases available.

### Which has better reviews, Flight Test X20 or EASA Part 66 Modules Exam?

EASA Part 66 Modules Exam is rated higher. Flight Test X20 averages 3.9 out of 5 from 93 ratings, while EASA Part 66 Modules Exam averages 5.0 from 2 ratings.

### Do Flight Test X20 or EASA Part 66 Modules Exam have ads?

Neither Flight Test X20 nor EASA Part 66 Modules Exam shows ads.

### Which is updated more often, Flight Test X20 or EASA Part 66 Modules Exam?

Flight Test X20 ships an update every 5 weeks, and EASA Part 66 Modules Exam every 6 weeks. Most recently, Flight Test X20 was updated on October 16, 2026 and EASA Part 66 Modules Exam on September 30, 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.*