# Instrument Pilot Test Prep vs DA40 NG

Instrument Pilot Test Prep and DA40 NG both sit at 3.1 stars, but that hides the real split: 100% of DA40 NG's written reviews are positive against 39% of Instrument Pilot Test Prep's. Instrument Pilot Test Prep's advantage is price ($14.99 vs $19.99) and chart position (#193 vs unranked). On rating, update cadence, ads and in-app purchases there is nothing between them.

Instrument Pilot Test Prep costs $14.99 and DA40 NG $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 3.1 for Instrument Pilot Test Prep against 3.0 for DA40 NG. That said, the two scores are not equally well evidenced: Instrument Pilot Test Prep has 16 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 39% of Instrument Pilot Test Prep's written reviews are positive against 100% of DA40 NG's.

Instrument Pilot Test Prep ships an update every 5 months, DA40 NG every 4 months. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Instrument Pilot Test Prep | DA40 NG |
| --- | --- | --- |
| Price | **$14.99** | $19.99 |
| Rating | **[3.1 (16 ratings)](https://appshunter.io/ios/app/instrument-pilot-test-prep/id437392025/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/da40-ng/id662106657/reviews) |
| Number of ratings | **16** | 2 |
| Positive reviews | 39.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | **Free** | Paid |
| Best chart rank | **#193** | — |
| Size | 28 MB | 35 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sporty's Pilot Shop](https://appshunter.io/developer/371817958) | [Gyronimo, LLC](https://appshunter.io/developer/536898885) |

## What reviewers say

### Instrument Pilot Test Prep

[App page](https://appshunter.io/ios/app/instrument-pilot-test-prep/id437392025)

**Currently charting:** #193 Top Paid · Education (US App Store)

Prepare for your FAA Instrument Pilot written test with a comprehensive study tool. It offers three modes: study questions by topic, review using flashcards, and take simulated practice tests. Detailed explanations and progress reports help you track your learning.

**Highlights:** Study questions by topic, Customizable review sessions, Flashcard mode for knowledge testing, Simulated 60-question practice tests, Detailed explanations for answers, Progress reports and test history, High-resolution FAA figures and legends

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Instrument Pilot Test Prep free?

Instrument Pilot Test Prep costs $14.99, with no in-app purchases.

### Is DA40 NG free?

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

### Which has better reviews, Instrument Pilot Test Prep or DA40 NG?

Instrument Pilot Test Prep is rated higher. Instrument Pilot Test Prep averages 3.1 out of 5 from 16 ratings, while DA40 NG averages 3.0 from 2 ratings.

### Do Instrument Pilot Test Prep or DA40 NG have ads?

Neither Instrument Pilot Test Prep nor DA40 NG shows ads.

### Which is updated more often, Instrument Pilot Test Prep or DA40 NG?

Instrument Pilot Test Prep ships an update every 5 months, and DA40 NG every 4 months. Most recently, Instrument Pilot Test Prep was updated on October 13, 2026 and DA40 NG on October 11, 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.*