VoltSafe Winter vs NAV Drone
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VoltSafe Winter
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.
- Set up to 15 schedules
- One-time and recurring schedules
- Automate on/off times
- Manual ON/OFF control
- Save time, energy, and money
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Use VoltSafe Winter to set up schedules for your block heater: SAVE TIME. SAVE ENERGY. SAVE MONEY. You can set up to 15 one-time or recurring schedules per device to automate when your VoltSafe Winter turns on and off! You can even manually control your device through the ON/OFF toggle feature for more flexibility and ease of use. The VoltSafe App unlocks the full potential of your Winter block heater plug!
NAV Drone
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.
- Airspace information
- Flight planning
- Flight authorization
- Controlled airspace guidance
- Automatic authorization responses
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Fly your drone safely and legally in Canada’s controlled airspace using NAV Drone, a mobile app from NAV CANADA. Review important guidelines, discover where you can fly, schedule flights, and receive automatic authorization responses from NAV CANADA when you’re approved to fly — all from your mobile device. KEY FEATURES • Airspace information – Provides drone pilots with information on classification, restrictions, and NOTAMs. • Flight planning – Provides capabilities to schedule and plan flights in controlled airspace. • Flight authorization – Automates authorization responses to fly in controlled airspace.
Screenshots
Verdict
The clearest difference is rating: NAV Drone at 4.8 against VoltSafe Winter's 2.7. NAV Drone also leads on review sentiment (51% vs 35%) and ratings volume (17 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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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, 4.8 against 2.7. That said, the two scores are not equally well evidenced: NAV Drone has 17 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 14, 2026 respectively.
| Parameter | VoltSafe Winter | NAV Drone |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (3 ratings) | 4.8 (17 ratings) — better |
| Positive reviews | 35.3% of reviews | 50.9% of reviews — better |
| Number of ratings | 3 | 17 — better |
| Update frequency | Every 9 days — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 29 MB | 356 MB |
| Age rating | 4+ | 4+ |
| Developer | VoltSafe | NAV Canada |
Customer experience
VoltSafe Winter
NAV Drone
Bugs and requests
VoltSafe Winter
Not enough reviews yet to summarise bugs or requests.
NAV Drone
Reported bugs
21 issues- 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
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- Map defaults to wrong location despite location permissions
- Flight area scaling incorrectly after adjustment
- Validation errors preventing flight submission
- Unable to load login information
- Cannot select operation category
- Fails to pull user preferences and drone data
- Bad gateway errors after updates
- Inconsistent airspace restriction status for same location
- Map display too small on larger phones
- Difficulty zooming and expanding map areas
- Drone selection dropdown extremely slow to load
- Unable to register standard profile
- Cannot adjust map while setting flight limits
- Cumbersome altitude adjustment interface
- Dangerous goods field not defaulting to 'no'
- Withdraw flight button too close to accept button
Requested features
17 requests- 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
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- Automatic notifications for approaching aircraft
- Notification when requested flight time expires
- Support for uploading KML files for flight planning
- Ability to enter flight location coordinates directly
- Add provincial parks and local restrictions to map
- Auto-fill support for 2FA authentication codes
- Save favorite locations with custom names
- Edit existing flight permits after submission
- Multi-drone selection for single operation
- Longer approval windows for regular flying locations
- Conflict detection visible without account login
- Update drone model database (DJI Air 3S, Mini 4K, etc.)
In-app purchases
VoltSafe Winter
No in-app purchases
NAV Drone
No in-app purchases
Questions
Is VoltSafe Winter free?
Is NAV Drone free?
Which has better reviews, VoltSafe Winter or NAV Drone?
Do VoltSafe Winter or NAV Drone have ads?
Which is updated more often, VoltSafe Winter or NAV Drone?
Other comparisons
