Prepware ATP vs ADF + RMI Trainer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Prepware ATP
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
- Question, answer, and explanation database
- Study by subject
- Practice test mode
- FAA Knowledge Exam preparation
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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.
ADF + RMI Trainer
This app provides interactive lessons and simulations for instrument flight students and instructors to master ADF and RMI radio navigation skills. It helps users learn to read indications, track bearings, and apply IFR procedures with confidence through step-by-step guidance and instant feedback.
- Interactive lessons for core skills
- IFR exercises for practical application
- ADF/RMI simulator
- Step-by-step guidance
- Instant feedback
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Master ADF and RMI the right way. ADF + RMI Trainer – IFR Pilot helps instrument students, IR candidates and instructors learn, practice and retain core radio-nav skills with focused, interactive training. ### What you’ll learn • Read and interpret ADF/RMI indications • Track bearings to/from NDBs • Apply real IFR procedures with confidence ### Why it works Built by flight instructors, the step-by-step lessons and instant feedback turn complex radio-nav into clear, repeatable workflows. ### Features • Interactive lessons to build core skills • IFR exercises to put theory into practice • ADF/RMI simulator for students and instructors Perfect for IFR training, IR prep and recurrent practice. Enjoy the app and FLY SAFE! — The FlyGo Aviation team
Screenshots
Verdict
The clearest difference is price: ADF + RMI Trainer at Free against Prepware ATP's $9.99. ADF + RMI Trainer also leads on rating (4.9 vs 2.8) and review sentiment (71% vs 39%). Prepware ATP's advantage is iOS requirement (15.0 vs 18.6). On update cadence, 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
ADF + RMI Trainer is free to download; Prepware ATP costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ADF + RMI Trainer holds the better App Store score, 4.9 against 2.8. That said, the two scores are not equally well evidenced: ADF + RMI Trainer has 110 ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 39% of Prepware ATP's written reviews are positive against 71% of ADF + RMI Trainer's.
Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on November 1, 2026 and October 23, 2026 respectively.
| Parameter | Prepware ATP | ADF + RMI Trainer |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 2.8 (20 ratings) | 4.9 (110 ratings) — better |
| Positive reviews | 39.2% of reviews | 71.4% of reviews — better |
| Number of ratings | 20 | 110 — better |
| Update frequency | Every 4 months | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 44 MB | 152 MB |
| Age rating | 4+ | 4+ |
| Developer | ASA | Flygo-Aviation Ltd |
Customer experience
Prepware ATP
ADF + RMI Trainer
In-app purchases
Prepware ATP
No in-app purchases
ADF + RMI Trainer
No in-app purchases
Questions
Is Prepware ATP free?
Is ADF + RMI Trainer free?
Which has better reviews, Prepware ATP or ADF + RMI Trainer?
Do Prepware ATP or ADF + RMI Trainer have ads?
Which is updated more often, Prepware ATP or ADF + RMI Trainer?
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