Prepware CFI vs Instrument Ground Instructor
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.
Instrument Ground Instructor
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The Instrument Ground Instructor Knowledge Test Prep App is the fastest way to ace your FAA Written Exam! Our main goal is to keep you updated with the latest test bank! Questions are added, changed and deleted throughout the year. When they are, we'll update them as soon as possible. Features: • Simple to use interface recommended by Flight Instructors. • Scores, the date and time taken for quizzes and tests are saved to keep track of your progress. • Questions and answer choices are random just like the real exam! • Zoomable figures are activated and deactivated by a button tap. • Optional sound effects for selected answers in Quiz Mode. • Shocks! Answer incorrectly and feel your iPhone vibrate! (This can be turned on and off.) • No internet connection required. Modes: Quiz Mode - While taking a quiz, correct answers you choose are shown in green while incorrect ones are shown in red. Test Mode - Simulates the test you are going to take at a FAA Knowledge Test Center. In this mode, you are asked 50 questions that are pulled from the entire question bank. Study Mode - Here you can read all the questions with only the associated correct answers!
Screenshots
Verdict
The clearest difference is price: Instrument Ground Instructor at $4.99 against Prepware CFI's $9.99. Instrument Ground Instructor also leads on iOS requirement (11.0 vs 15.0). Prepware CFI's advantage is chart position (#194 vs unranked). On update cadence, ads, in-app purchases and device support 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
Prepware CFI costs $9.99 and Instrument Ground Instructor $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Prepware CFI ships an update every 4 months, Instrument Ground Instructor every 7 months. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.
| Parameter | Prepware CFI | Instrument Ground Instructor |
|---|---|---|
| Price | $9.99 | $4.99 — better |
| Rating | 2.4 (37 ratings) — better | — |
| Positive reviews | 32.3% of reviews | — |
| Number of ratings | 37 — better | — |
| Update frequency | Every 4 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Best chart rank | #194 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 102 MB |
| Age rating | 4+ | 4+ |
| Developer | ASA | Bravo Zulu Apps LLC |
In-app purchases
Prepware CFI
No in-app purchases
Instrument Ground Instructor
No in-app purchases
Questions
Is Prepware CFI free?
Is Instrument Ground Instructor free?
Do Prepware CFI or Instrument Ground Instructor have ads?
Which is updated more often, Prepware CFI or Instrument Ground Instructor?
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