# ADF + RMI Trainer vs NavTutor

The clearest difference is rating: ADF + RMI Trainer at 4.9 against NavTutor's 2.6. ADF + RMI Trainer also leads on in-app purchases (none vs 1) and update cadence (every 4 months vs every 54 months). NavTutor's advantage is iOS requirement (12.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. NavTutor sells 1 one-off in-app purchase. ADF + RMI Trainer asks for nothing beyond the download.

ADF + RMI Trainer holds the better App Store score, 4.9 against 2.6. That said, the two scores are not equally well evidenced: ADF + RMI Trainer has 110 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 71% of ADF + RMI Trainer's written reviews are positive against 50% of NavTutor's.

ADF + RMI Trainer ships an update every 4 months, NavTutor every 54 months. Both last shipped on October 23, 2026.

## The numbers

| Metric | ADF + RMI Trainer | NavTutor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (110 ratings)](https://appshunter.io/ios/app/adf-plus-rmi-trainer-ifr-pilot/id674942534/reviews)** | [2.6 (8 ratings)](https://appshunter.io/ios/app/navtutor/id688944731/reviews) |
| Number of ratings | **110** | 8 |
| Positive reviews | **71.4% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 54 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 152 MB | 1 MB |
| Requires iOS | 18.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Flygo-Aviation Ltd](https://appshunter.io/developer/550770776) | [DID Software Inc](https://appshunter.io/developer/593181185) |

## 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


### NavTutor

[App page](https://appshunter.io/ios/app/navtutor/id688944731)

Visualize aircraft holding patterns relative to navigation aids. Learn to determine your position and the correct entry pattern for standard and non-standard holds using ADF, VOR, and heading information.

**Highlights:** Visual aircraft holding pattern representation, Position determination using ADF, VOR, and heading, Standard and non-standard hold entry pattern learning, Interactive navigation aid simulation

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $0.99 | one-time |


## Frequently asked questions

### Is ADF + RMI Trainer free?

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

### Is NavTutor free?

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

### Which has better reviews, ADF + RMI Trainer or NavTutor?

ADF + RMI Trainer is rated higher. ADF + RMI Trainer averages 4.9 out of 5 from 110 ratings, while NavTutor averages 2.6 from 8 ratings.

### Do ADF + RMI Trainer or NavTutor have ads?

Neither ADF + RMI Trainer nor NavTutor shows ads.

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

ADF + RMI Trainer ships an update every 4 months, and NavTutor every 54 months. Most recently, ADF + RMI Trainer was updated on October 23, 2026 and NavTutor on October 23, 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.*