# Prepware Flight Engineer vs IEU Lecturio

The clearest difference is price: IEU Lecturio at Free against Prepware Flight Engineer's $4.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

IEU Lecturio is free to download; Prepware Flight Engineer costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 22, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Prepware Flight Engineer | IEU Lecturio |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Paid | — |
| Size | 13 MB | 117 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +17 |
| Developer | [ASA](https://appshunter.io/developer/334278379) | [Lecturio GmbH](https://appshunter.io/developer/667474928) |

## 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


### IEU Lecturio

[App page](https://appshunter.io/ios/app/ieu-lecturio/id1555445365)

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

**In-app purchases:** none


## Frequently asked questions

### Is Prepware Flight Engineer free?

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

### Is IEU Lecturio free?

IEU Lecturio is free to download, with no in-app purchases.

### Do Prepware Flight Engineer or IEU Lecturio have ads?

Neither Prepware Flight Engineer nor IEU Lecturio shows ads.

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

Prepware Flight Engineer ships an update every 4 months, and IEU Lecturio every 4 months. Most recently, Prepware Flight Engineer was updated on October 22, 2026 and IEU Lecturio on October 18, 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.*