# ASTB Prep vs Fly IFR

The clearest difference is price: ASTB Prep at Free against Fly IFR's $7.99. ASTB Prep also leads on device support (3 vs 1). Fly IFR's advantage is in-app purchases (none vs 2) and chart position (#190 vs unranked). On ads and iOS requirement there is nothing between them.

ASTB Prep is free to download; Fly IFR costs $7.99 up front. ASTB Prep sells 2 one-off in-app purchases. Fly IFR asks for nothing beyond the download.

## The numbers

| Metric | ASTB Prep | Fly IFR |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | **[4.9 (447 ratings)](https://appshunter.io/ios/app/astb-prep/id1549216388/reviews)** | — |
| Number of ratings | **447** | — |
| Positive reviews | 93.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Best chart rank | — | **#190** |
| Size | 815 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Alex Hastings](https://appshunter.io/developer/1549216390) | [David Spicer](https://appshunter.io/developer/1367501844) |

## What reviewers say

### ASTB Prep

[App page](https://appshunter.io/ios/app/astb-prep/id1549216388)

Prepare for naval aviation exams with comprehensive study materials, practice tests, and simulators. Covers all subtests for Navy, Marine Corps, and Coast Guard aviation selection. Features adaptive testing and offline access.

**Highlights:** 73 comprehensive lessons, 140+ flashcard decks, 600+ sample test questions, Unlimited adaptive practice tests, UAV tracking simulator, Terrain identification simulator, Stick and throttle simulators

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Joystick Functionality | Free | one-time |
| Full Access | $39.99 | one-time |

**What reviewers like**

- 🚀 Great tool for ASTB prep
- 👍 Comprehensive study materials
- 🚀 Helpful simulators for PBM
- 🚀 Improved test scores
- 👍 Detailed lessons and practice tests

**What reviewers complain about**

- 🐛 Some math/physics questions have incorrect answers
- 🐛 UAV simulator not fully accurate to real test
- 🐛 Stick and throttle simulator needs improvement

**Reported bugs**

- Mechanical comprehension test has 30 questions, not 20
- Terrain identification section has occasional screen color issues

**Requested features**

- Option to disable timer for terrain identification
- Ability to configure duration of correct answer display
- Add audio for UAV portion to simulate real test experience
- Include emergency scenario training for UAV


### Fly IFR

[App page](https://appshunter.io/ios/app/fly-ifr/id6756084254)

**Currently charting:** #190 Top Paid · Education (US App Store)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ASTB Prep free?

ASTB Prep is free to download, with in-app purchases available.

### Is Fly IFR free?

Fly IFR costs $7.99, with no in-app purchases.

### Do ASTB Prep or Fly IFR have ads?

Neither ASTB Prep nor Fly IFR shows ads.

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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.*