# DA42 TDI vs Flight Review Prep

The clearest difference is price: Flight Review Prep at Free against DA42 TDI's $38.99. Flight Review Prep also leads on device support (3 vs 1). DA42 TDI's advantage is in-app purchases (none vs 1) and update cadence (every 4 months vs every 10 months). On ads there is nothing between them.

Flight Review Prep is free to download; DA42 TDI costs $38.99 up front. Flight Review Prep sells 1 one-off in-app purchase. DA42 TDI asks for nothing beyond the download.

DA42 TDI ships an update every 4 months, Flight Review Prep every 10 months. The most recent releases landed on October 26, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | DA42 TDI | Flight Review Prep |
| --- | --- | --- |
| Price | $38.99 | **Free** |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/flight-review-prep/id1050848268/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 10 months |
| Monetization | — | Free with in-app purchases |
| Size | 41 MB | 20 MB |
| Requires iOS | **9.1** | 12.4 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gyronimo, LLC](https://appshunter.io/developer/536898885) | [First Solo Software, LLC](https://appshunter.io/developer/453605044) |

## What reviewers say

### DA42 TDI

[App page](https://appshunter.io/ios/app/da42-tdi/id1046446776)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flight Review Prep

[App page](https://appshunter.io/ios/app/flight-review-prep/id1050848268)

This app helps pilots prepare for their FAA Flight Review by offering over 220 common questions with suggested answers across 10 aviation topics. Study sessions are presented in a flashcard style with graphical images when needed, allowing pilots to track their progress and build confidence for the ground component of their review.

**Highlights:** Over 220 common questions, Suggested answers provided, 10 study topics, Flashcard style learning, Graphical images for clarity, Progress tracking

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Topics | $19.99 | one-time |


## Frequently asked questions

### Is DA42 TDI free?

DA42 TDI costs $38.99, with no in-app purchases.

### Is Flight Review Prep free?

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

### Do DA42 TDI or Flight Review Prep have ads?

Neither DA42 TDI nor Flight Review Prep shows ads.

### Which is updated more often, DA42 TDI or Flight Review Prep?

DA42 TDI ships an update every 4 months, and Flight Review Prep every 10 months. Most recently, DA42 TDI was updated on October 26, 2026 and Flight Review Prep on November 2, 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.*