# VoltSafe Winter vs NAV Drone

The clearest difference is rating: NAV Drone at 4.5 against VoltSafe Winter's 2.7. NAV Drone also leads on review sentiment (51% vs 35%) and ratings volume (24 vs 3). VoltSafe Winter's advantage is update cadence (every 9 days vs every 4 months) and iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

NAV Drone holds the better App Store score, 4.5 against 2.7. That said, the two scores are not equally well evidenced: NAV Drone has 24 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 35% of VoltSafe Winter's written reviews are positive against 51% of NAV Drone's.

VoltSafe Winter ships an update every 9 days, NAV Drone every 4 months. The most recent releases landed on October 7, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | VoltSafe Winter | NAV Drone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (3 ratings)](https://appshunter.io/ios/app/voltsafe-winter/id1497643289/reviews) | **[4.5 (24 ratings)](https://appshunter.io/ios/app/nav-drone/id1541014888/reviews)** |
| Number of ratings | 3 | **24** |
| Positive reviews | 35.3% of reviews | **50.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 4 months |
| Monetization | Free | Free |
| Size | 29 MB | 356 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [VoltSafe](https://appshunter.io/developer/1497643288) | [NAV Canada](https://appshunter.io/developer/1541014890) |

## What reviewers say

### VoltSafe Winter

[App page](https://appshunter.io/ios/app/voltsafe-winter/id1497643289)

Automate your block heater with custom on/off schedules. Save time, energy, and money by setting up to 15 one-time or recurring schedules per device. Manually control your heater for added flexibility.

**Highlights:** Set up to 15 schedules, One-time and recurring schedules, Automate on/off times, Manual ON/OFF control, Save time, energy, and money

**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 VoltSafe Winter free?

VoltSafe Winter is free to download, with no in-app purchases.

### Is NAV Drone free?

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

### Which has better reviews, VoltSafe Winter or NAV Drone?

NAV Drone is rated higher. VoltSafe Winter averages 2.7 out of 5 from 3 ratings, while NAV Drone averages 4.5 from 24 ratings.

### Do VoltSafe Winter or NAV Drone have ads?

Neither VoltSafe Winter nor NAV Drone shows ads.

### Which is updated more often, VoltSafe Winter or NAV Drone?

VoltSafe Winter ships an update every 9 days, and NAV Drone every 4 months. Most recently, VoltSafe Winter was updated on October 7, 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.*