# FAA ATP Written Test Prep vs Flight Test X20

The clearest difference is price: Flight Test X20 at Free against FAA ATP Written Test Prep's $79.99. Flight Test X20 also leads on in-app purchases (none vs 1) and ratings volume (96 vs 19). FAA ATP Written Test Prep's advantage is rating (4.5 vs 3.9) and review sentiment (74% vs 60%). On update cadence and ads there is nothing between them.

Flight Test X20 is free to download; FAA ATP Written Test Prep costs $79.99 up front. FAA ATP Written Test Prep sells 1 one-off in-app purchase. Flight Test X20 asks for nothing beyond the download.

FAA ATP Written Test Prep holds the better App Store score, 4.5 against 3.9. That said, the two scores are not equally well evidenced: Flight Test X20 has 96 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 74% of FAA ATP Written Test Prep's written reviews are positive against 60% of Flight Test X20's.

FAA ATP Written Test Prep ships an update monthly, Flight Test X20 every 5 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | FAA ATP Written Test Prep | Flight Test X20 |
| --- | --- | --- |
| Price | $79.99 | **Free** |
| Rating | **[4.5 (19 ratings)](https://appshunter.io/ios/app/faa-atp-written-test-prep/id381233311/reviews)** | [3.9 (96 ratings)](https://appshunter.io/ios/app/flight-test-x20/id1501097608/reviews) |
| Number of ratings | 19 | **96** |
| Positive reviews | **73.9% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 705 MB | 25 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dauntless Software](https://appshunter.io/developer/366840893) | [Sheppard Air, Inc.](https://appshunter.io/developer/595077420) |

## What reviewers say

### FAA ATP Written Test Prep

[App page](https://appshunter.io/ios/app/faa-atp-written-test-prep/id381233311)

Prepare for FAA Airline Transport Pilot and Aircraft Dispatcher written exams with a comprehensive database of current questions and detailed explanations. Study actual FAA questions and ace your tests with flexible study modes and up-to-date content.

**Highlights:** Actual FAA questions, Up-to-date content with free updates, Detailed, illustrated explanations, Compatible with FAA ACS, Flexible study modes, Covers ATP and ADX tests

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audio Review | $18.99 | one-time |


### 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


## Frequently asked questions

### Is FAA ATP Written Test Prep free?

FAA ATP Written Test Prep costs $79.99, and also offers in-app purchases.

### Is Flight Test X20 free?

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

### Which has better reviews, FAA ATP Written Test Prep or Flight Test X20?

FAA ATP Written Test Prep is rated higher. FAA ATP Written Test Prep averages 4.5 out of 5 from 19 ratings, while Flight Test X20 averages 3.9 from 96 ratings.

### Do FAA ATP Written Test Prep or Flight Test X20 have ads?

Neither FAA ATP Written Test Prep nor Flight Test X20 shows ads.

### Which is updated more often, FAA ATP Written Test Prep or Flight Test X20?

FAA ATP Written Test Prep ships an update monthly, and Flight Test X20 every 5 weeks. Most recently, FAA ATP Written Test Prep was updated on October 24, 2026 and Flight Test X20 on October 24, 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.*