# Prepware Flight Engineer vs Part

The clearest difference is price: Part at Free against Prepware Flight Engineer's $4.99. Part also leads on update cadence (every 2 months vs every 4 months). Prepware Flight Engineer's advantage is in-app purchases (none vs 2) and iOS requirement (15.0 vs 18.5). On ads and device support there is nothing between them.

Part is free to download; Prepware Flight Engineer costs $4.99 up front. Part sells 2 in-app purchases, starting at $8.99 per month. Prepware Flight Engineer asks for nothing beyond the download.

Prepware Flight Engineer ships an update every 4 months, Part every 2 months. The most recent releases landed on September 22, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Prepware Flight Engineer | Part |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/prepware-flight-engineer/id339006554/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 13 MB | 10 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ASA](https://appshunter.io/developer/334278379) | [Selcuk Dolapci](https://appshunter.io/developer/1509031121) |

## What reviewers say

### Prepware Flight Engineer

[App page](https://appshunter.io/ios/app/prepware-flight-engineer/id339006554)

Prepare for the FAA Knowledge Exam with flashcard-style review. Study questions, answers, and explanations by subject or take a practice test that mimics the real exam.

**Highlights:** Flashcard-style review, Questions, answers, and explanations, Study by subject, Practice tests, Comprehensive preparation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Part

[App page](https://appshunter.io/ios/app/part-66-pro-easa-mock-exam/id6751455095)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Monthly) | $8.99 | per month |
| Pro (Yearly) | $89.99 | per year |


## Frequently asked questions

### Is Prepware Flight Engineer free?

Prepware Flight Engineer costs $4.99, with no in-app purchases.

### Is Part free?

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

### Do Prepware Flight Engineer or Part have ads?

Neither Prepware Flight Engineer nor Part shows ads.

### Which is updated more often, Prepware Flight Engineer or Part?

Prepware Flight Engineer ships an update every 4 months, and Part every 2 months. Most recently, Prepware Flight Engineer was updated on September 22, 2026 and Part on June 1, 2026.

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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.*