Prepware CFI vs IFD Trainer Xp
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.
IFD Trainer Xp
Learn to operate the Avidyne IFD system by connecting to Xplane 11. This app allows you to tune frequencies and fly approaches within your home simulator without needing any additional plugins. Familiarize yourself with the full capabilities of the IFD series.
- Connects to Xplane 11
- No Xplane plugin required
- Tune frequencies
- Fly approaches
- Familiarize with IFD series
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Master the Avidyne IFD in a whole new way, by connecting to your Xplane 11 home simulator! The app will automatically connect to an instance of XPlane that is running on the same network. No plugin for XPlane is required. Tune frequencies, fly approaches and familiarize yourself with all the IFD series has to offer!
Screenshots
Verdict
The clearest difference is price: IFD Trainer Xp at Free against Prepware CFI's $9.99. IFD Trainer Xp also leads on rating (4.0 vs 2.4) and update cadence (every 2 months vs every 4 months). Prepware CFI's advantage is ratings volume (37 vs 3) and device support (3 vs 1). On review sentiment, 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
IFD Trainer Xp is free to download; Prepware CFI costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
IFD Trainer Xp holds the better App Store score, 4.0 against 2.4. That said, the two scores are not equally well evidenced: Prepware CFI has 37 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 32% of Prepware CFI's written reviews are positive against 40% of IFD Trainer Xp's.
Prepware CFI ships an update every 4 months, IFD Trainer Xp every 2 months. The most recent releases landed on September 28, 2026 and June 4, 2026 respectively.
| Parameter | Prepware CFI | IFD Trainer Xp |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 2.4 (37 ratings) | 4.0 (3 ratings) — better |
| Positive reviews | 32.3% of reviews | 40.0% of reviews — better |
| Number of ratings | 37 — better | 3 |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 15.0 | 9.1 — better |
| Further details — not scored | ||
| Size | 31 MB | 152 MB |
| Age rating | 4+ | 4+ |
| Developer | ASA | Avidyne |
Customer experience
Prepware CFI
IFD Trainer Xp
In-app purchases
Prepware CFI
No in-app purchases
IFD Trainer Xp
No in-app purchases
Questions
Is Prepware CFI free?
Is IFD Trainer Xp free?
Which has better reviews, Prepware CFI or IFD Trainer Xp?
Do Prepware CFI or IFD Trainer Xp have ads?
Which is updated more often, Prepware CFI or IFD Trainer Xp?
Other comparisons
