# iDIAMOND Checkride Prep vs VRflow DA40

The clearest difference is update cadence: iDIAMOND Checkride Prep at every 6 weeks against VRflow DA40's every 9 months. iDIAMOND Checkride Prep also leads on monetization model (free vs freemium) and iOS requirement (13.0 vs 15.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. iDIAMOND Checkride Prep sells 5 one-off in-app purchases and VRflow DA40 sells 1 in-app purchase, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 3.7 for iDIAMOND Checkride Prep against 3.7 for VRflow DA40. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

iDIAMOND Checkride Prep ships an update every 6 weeks, VRflow DA40 every 9 months. The most recent releases landed on September 22, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | iDIAMOND Checkride Prep | VRflow DA40 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/idiamond-checkride-prep/id1507414847/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/vrflow-da40/id6444026708/reviews)** |
| Number of ratings | 3 | 3 |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 9 months |
| Monetization | **Free** | Freemium |
| Size | 78 MB | 780 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aircraft Apps LLC](https://appshunter.io/developer/1499571546) | [VRpilot](https://appshunter.io/developer/1549637695) |

## What reviewers say

### iDIAMOND Checkride Prep

[App page](https://appshunter.io/ios/app/idiamond-checkride-prep/id1507414847)

Prepare for aviation checkrides with interactive flashcards, quizzes, and an AI assistant. Access worldwide weather, airport information, and a community forum for pilots. Includes a fun aviation-themed board game to reinforce learning.

**Highlights:** Aircraft system flashcards and quizzes, AI-powered aviation Q&A, Worldwide weather and airport data, Customizable flashcard maker, Aviation-themed board game, Community message board

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MindCoach: Personal Health | $19.99 | one-time |
| 20 FAA Handbooks & Manuals | $19.99 | one-time |
| Diamond DA-20 Checkride Prep | $29.99 | one-time |
| Diamond DA-42 Checkride Prep | $29.99 | one-time |
| Diamond DA-40 | $29.99 | one-time |


### VRflow DA40

[App page](https://appshunter.io/ios/app/vrflow-da40/id6444026708)

An interactive cockpit procedure trainer for the DA40 NG aircraft. It offers step-by-step explanations, dynamic checklists, and realistic system behavior to enhance pilot training and knowledge retention. Explore the cockpit interactively and prepare for flights or check rides.

**Highlights:** Interactive cockpit procedure training, Normal and emergency procedure modules, Cockpit familiarization/Explore Mode, Dynamic checklists and explanations, Realistic aircraft systems simulation, Training and Exam Modes

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DA40 monthly subscription | $11.99 | per month |


## Frequently asked questions

### Is iDIAMOND Checkride Prep free?

iDIAMOND Checkride Prep is free to download, with in-app purchases available.

### Is VRflow DA40 free?

VRflow DA40 is free to download, with in-app purchases available.

### Which has better reviews, iDIAMOND Checkride Prep or VRflow DA40?

VRflow DA40 is rated higher. iDIAMOND Checkride Prep averages 3.7 out of 5 from 3 ratings, while VRflow DA40 averages 3.7 from 3 ratings.

### Do iDIAMOND Checkride Prep or VRflow DA40 have ads?

Neither iDIAMOND Checkride Prep nor VRflow DA40 shows ads.

### Which is updated more often, iDIAMOND Checkride Prep or VRflow DA40?

iDIAMOND Checkride Prep ships an update every 6 weeks, and VRflow DA40 every 9 months. Most recently, iDIAMOND Checkride Prep was updated on September 22, 2026 and VRflow DA40 on September 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.*