# uDL2 Config vs NAV Drone

The clearest difference is update cadence: NAV Drone at every 4 months against uDL2 Config's every 25 months. 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.

uDL2 Config ships an update every 25 months, NAV Drone every 4 months. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | uDL2 Config | NAV Drone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (24 ratings)](https://appshunter.io/ios/app/nav-drone/id1541014888/reviews)** |
| Number of ratings | — | **24** |
| Positive reviews | — | 50.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 4 months** |
| Monetization | — | Free |
| Size | 8 MB | 356 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mobiltex Data](https://appshunter.io/developer/1050682800) | [NAV Canada](https://appshunter.io/developer/1541014890) |

## What reviewers say

### uDL2 Config

[App page](https://appshunter.io/ios/app/udl2-config/id1389841774)

**Features:** Vision Pro support

**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 uDL2 Config free?

uDL2 Config 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 uDL2 Config or NAV Drone have ads?

Neither uDL2 Config nor NAV Drone shows ads.

### Which is updated more often, uDL2 Config or NAV Drone?

uDL2 Config ships an update every 25 months, and NAV Drone every 4 months. Most recently, uDL2 Config was updated on October 20, 2026 and NAV Drone on October 22, 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.*