# ADF + RMI Trainer vs VRflow DA42

The clearest difference is in-app purchases: ADF + RMI Trainer at none against VRflow DA42's 1. VRflow DA42's advantage is iOS requirement (15.0 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. VRflow DA42 sells 1 in-app purchase, starting at $11.99 per month. ADF + RMI Trainer asks for nothing beyond the download.

ADF + RMI Trainer ships an update every 4 months, VRflow DA42 every 7 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ADF + RMI Trainer | VRflow DA42 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (110 ratings)](https://appshunter.io/ios/app/adf-plus-rmi-trainer-ifr-pilot/id674942534/reviews)** | — |
| Number of ratings | **110** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 7 months |
| Monetization | Free | — |
| Size | 152 MB | 780 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Flygo-Aviation Ltd](https://appshunter.io/developer/550770776) | [VRpilot ApS](https://appshunter.io/developer/1549637695) |

## What reviewers say

### ADF + RMI Trainer

[App page](https://appshunter.io/ios/app/adf-plus-rmi-trainer-ifr-pilot/id674942534)

This app provides interactive lessons and simulations for instrument flight students and instructors to master ADF and RMI radio navigation skills. It helps users learn to read indications, track bearings, and apply IFR procedures with confidence through step-by-step guidance and instant feedback.

**Highlights:** Interactive lessons for core skills, IFR exercises for practical application, ADF/RMI simulator, Step-by-step guidance, Instant feedback

**Features:** Vision Pro support

**In-app purchases:** none


### VRflow DA42

[App page](https://appshunter.io/ios/app/vrflow-da42/id6444026482)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DA42 monthly subscription | $11.99 | per month |


## Frequently asked questions

### Is ADF + RMI Trainer free?

ADF + RMI Trainer is free to download, with no in-app purchases.

### Is VRflow DA42 free?

VRflow DA42 is free to download, with in-app purchases available.

### Do ADF + RMI Trainer or VRflow DA42 have ads?

Neither ADF + RMI Trainer nor VRflow DA42 shows ads.

### Which is updated more often, ADF + RMI Trainer or VRflow DA42?

ADF + RMI Trainer ships an update every 4 months, and VRflow DA42 every 7 months. Most recently, ADF + RMI Trainer was updated on November 1, 2026 and VRflow DA42 on October 30, 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.*