# DA40 NG vs Flight Review Prep

DA40 NG and Flight Review Prep both sit at 3.0 stars, but that hides the real split: 100% of DA40 NG's written reviews are positive against 0% of Flight Review Prep's. DA40 NG also leads on in-app purchases (none vs 1) and update cadence (every 4 months vs every 10 months). Flight Review Prep's advantage is price (Free vs $19.99) and device support (3 vs 1). On rating, ratings volume and ads there is nothing between them.

Flight Review Prep is free to download; DA40 NG costs $19.99 up front. Flight Review Prep sells 1 one-off in-app purchase. DA40 NG asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.0 for DA40 NG against 3.0 for Flight Review Prep. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 100% of DA40 NG's written reviews are positive against 0% of Flight Review Prep's.

DA40 NG ships an update every 4 months, Flight Review Prep every 10 months. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | DA40 NG | Flight Review Prep |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/da40-ng/id662106657/reviews) | [3.0 (1 ratings)](https://appshunter.io/ios/app/flight-review-prep/id1050848268/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 10 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 35 MB | 20 MB |
| Requires iOS | 16.0 | **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

### DA40 NG

[App page](https://appshunter.io/ios/app/da40-ng/id662106657)

This app calculates mass, balance, and performance data for the Diamond DA40 NG aircraft. It helps pilots plan flights quickly by interpolating data from the Pilot's Operating Handbook, offering detailed graphics and scenario planning.

**Highlights:** Mass & Balance calculations, Takeoff and Landing performance, Climb performance analysis, Cruise performance optimization, Fuel management and efficiency, Wind component calculation, Scenario planning with sliders

**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 DA40 NG free?

DA40 NG costs $19.99, with no in-app purchases.

### Is Flight Review Prep free?

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

### Which has better reviews, DA40 NG or Flight Review Prep?

DA40 NG and Flight Review Prep are both rated 3.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do DA40 NG or Flight Review Prep have ads?

Neither DA40 NG nor Flight Review Prep shows ads.

### Which is updated more often, DA40 NG or Flight Review Prep?

DA40 NG ships an update every 4 months, and Flight Review Prep every 10 months. Most recently, DA40 NG was updated on October 11, 2026 and Flight Review Prep on October 6, 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.*