# MRF Tracking Viewer vs NAV Drone

The clearest difference is update cadence: MRF Tracking Viewer at every 6 weeks against NAV Drone's every 4 months. MRF Tracking Viewer also leads on iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MRF Tracking Viewer ships an update every 6 weeks, NAV Drone every 4 months. The most recent releases landed on September 13, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | MRF Tracking Viewer | NAV Drone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (17 ratings)](https://appshunter.io/ios/app/nav-drone/id1541014888/reviews)** |
| Number of ratings | — | **17** |
| Positive reviews | — | 52.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | — | Free |
| Size | 1 MB | 356 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MRF Geosystems Corporation](https://appshunter.io/developer/1022031549) | [NAV Canada](https://appshunter.io/developer/1541014890) |

## What reviewers say

### MRF Tracking Viewer

[App page](https://appshunter.io/ios/app/mrf-tracking-viewer/id1468068457)

**Features:** macOS Compatibility

**In-app purchases:** none


### NAV Drone

[App page](https://appshunter.io/ios/app/nav-drone/id1541014888)

This app helps drone pilots in Canada fly safely and legally. It provides airspace information, allows flight planning, and automates authorization requests for controlled airspace.

**Highlights:** Airspace information, Flight planning, Flight authorization, Controlled airspace guidance, Automatic authorization responses

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast flight authorization approval process
- 👍 Well-designed interface for beginners
- 📍 Helpful for compliance with airspace regulations
- ✅ Excellent customer support response times
- 🎯 Clear flight restriction information

**What reviewers complain about**

- 🔐 Constant forced logout requiring repeated login
- 🗺️ Difficult map drawing and zone boundary adjustment
- 🐛 Frequent app crashes and instability
- ❌ Inaccurate drone weight/model restrictions
- 🔄 Inconsistent airspace restriction information

**Reported bugs**

- App logs out constantly, sometimes mid-session
- Pilot license documents not saving/persisting
- Login credentials not retained between sessions
- App crashes during launch and landing functions
- Cannot save new flight areas

**Requested features**

- Biometric login (Face ID/fingerprint authentication)
- Remember email address on login screen
- Save default drone and flight operation preferences
- Numeric keypad for altitude and distance input instead of sliders
- Built-in NOTAM advisory information


## Frequently asked questions

### Is MRF Tracking Viewer free?

MRF Tracking Viewer is free to download, with no in-app purchases.

### Is NAV Drone free?

NAV Drone is free to download, with no in-app purchases.

### Do MRF Tracking Viewer or NAV Drone have ads?

Neither MRF Tracking Viewer nor NAV Drone shows ads.

### Which is updated more often, MRF Tracking Viewer or NAV Drone?

MRF Tracking Viewer ships an update every 6 weeks, and NAV Drone every 4 months. Most recently, MRF Tracking Viewer was updated on September 13, 2026 and NAV Drone on August 12, 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.*