Prepware CFI vs Flight Test X20
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Prepware CFI
Prepare for the FAA Knowledge Exam with this comprehensive study and test tool. It offers flashcard-style review of questions, answers, and explanations, allowing you to study by subject or take realistic practice tests.
- Flashcard-style review
- Questions, answers, and explanations
- Study by subject
- Practice tests
- Comprehensive preparation tool
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Comprehensive preparation, study and test tool for the FAA Knowledge Exam. Flashcard style review of questions, answers and explanations included for you to study by subject or with a true-to-form practice test.
Flight Test X20
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.
- FAA knowledge test preparation
- Pilot study course
- Dispatcher study course
- Instrument rating preparation
- Instructor written test prep
- ATP written test prep
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Flight Test X20 is Sheppard Air's latest student study course learning platform for FAA knowledge tests. It allows those students studying for pilot, dispatcher, instrument rating, instructor, flight engineer, ATP, and interviewee written tests to do their top-off preparation for the final knowledge test.
Screenshots
Verdict
The clearest difference is price: Flight Test X20 at Free against Prepware CFI's $9.99. Flight Test X20 also leads on rating (3.9 vs 2.4) and review sentiment (61% vs 32%). Prepware CFI's advantage is chart position (#149 vs unranked) and device support (3 vs 1). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Flight Test X20 is free to download; Prepware CFI costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Flight Test X20 holds the better App Store score, 3.9 against 2.4. Both are backed by a comparable volume of ratings — 37 and 93 respectively. Written reviews point the same way: 32% of Prepware CFI's written reviews are positive against 61% of Flight Test X20's.
Prepware CFI ships an update every 4 months, Flight Test X20 every 5 weeks. Both last shipped on September 22, 2026.
| Parameter | Prepware CFI | Flight Test X20 |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 2.4 (37 ratings) | 3.9 (93 ratings) — better |
| Positive reviews | 32.3% of reviews | 61.4% of reviews — better |
| Number of ratings | 37 | 93 — better |
| Update frequency | Every 4 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | #149 — better | — |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | ASA | Sheppard Air, Inc. |
Customer experience
Prepware CFI
Flight Test X20
In-app purchases
Prepware CFI
No in-app purchases
Flight Test X20
No in-app purchases
Questions
Is Prepware CFI free?
Is Flight Test X20 free?
Which has better reviews, Prepware CFI or Flight Test X20?
Do Prepware CFI or Flight Test X20 have ads?
Which is updated more often, Prepware CFI or Flight Test X20?
Other comparisons
