SkyDemon vs iOBD Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SkyDemon
Plan and navigate VFR flights across Europe with detailed aeronautical charts, dynamic airspace clipping, and real-time hazard warnings. Features include virtual radar, automated weather briefings, and comprehensive flight logging for pilots.
- Vector aeronautical charts with dynamic airspace clipping
- Intuitive route planning and modification
- Virtual Radar for hazard and airspace visualization
- Automated weather briefings (TAF, METAR, SIGMET)
- Real-time hazard and airspace warnings
- Georeferenced airfield plates and documents
- Fuel, weight, and balance calculations
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SkyDemon is Europe's favourite software for VFR flight planning and in-flight navigation. Use this app to access your SkyDemon subscription on your iOS device, unlocking SkyDemon's powerful features while on the move. FLIGHT PLANNING FEATURES - SkyDemon vector charts are the clearest aeronautical charts you'll ever use, with dynamic airspace clipping and choice of map layers - Route planning is as simple as touching consecutive waypoints and dragging to make changes - Virtual Radar shows how your route relates to airspace, terrain, obstructions and other features - Pilot Log facility calculates headings and groundspeeds from actual wind data, and shows useful frequencies - Plates and other documents for relevant airfields are displayed automatically as you plan, and many are available georeferenced for use in flight - Intuitive pan, pinch and rotate support with no loss of map clarity or text legibility - File a VFR flightplan for your route directly to air traffic controllers - Automatic TAF, METAR and SIGMET briefing as you plan a route, with graphical decoding - Rainfall data can be overlaid on the main map, with animation, showing the trend of rainfall over time - Integration of GAFOR route forecasts for Switzerland, Austria, Slovenia and Croatia - Both narrow-route and area NOTAM briefings available, updated as you plan - Advanced NOTAM graphical interpretation and depiction on the main map - Easily print your PLOG and the output from various briefings - Warnings for airspace and other potential hazards to your flight, updated in real time - Airfield Admin Information shows useful contacts and other details for airfields featured in our charts - Forecast winds aloft are automatically retrieved for the flight time and displayed on the map - Create an advanced flight performance profile for each aircraft you use - ATS Routes mode offers an alternative chart presentation for flight along airways - Accurate fuel, weight and balance calculations including flight costings - Create an unlimited number of user-defined waypoints - Analyse your track logs for posterity - Choose between six different vector chart styles - Extensive European chart coverage as standard GPS NAVIGATION FEATURES - Intelligent warnings for approaching airspace, NOTAM, obstacles, terrain and other hazards - Virtual Radar shows a side-on projection of all approaching features and how your trajectory relates to them - Vector map automatically follows the aircraft in north up, track up or course up orientation - Clear and concise instruments show you flight statistics and help keep you on track - An HSI/ILS instrument helps you keep to your planned route and line up early for approach - Live Pilot Log shows progress through your route, ETAs, ATAs and useful frequencies based on your current position - TerrainSafe dynamically colours mountainous terrain around you to quickly identify safer areas - Direct To allows easy re-routing in a hurry by picking from a selection of nearby airfields - Approach Information shows runway diagrams, TAF, METAR, NOTAM and other airfield details useful for making an approach - Live updates of TAF and METAR while in flight, with associated alerts* - Extended runway centrelines appear automatically on the map as you near your destination airfield - Permanent display of position relative to nearest well-known waypoint, for position reporting - Easy changing of the planned route while in flight by touching and dragging Continued use of GPS running in the background can dramatically decrease battery life. * Internet connection required for live weather update while in flight
iOBD Pro
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iOBDPro is designed for smartphones and CarPlay, providing a Bluetooth OBD-II vehicle diagnostics and monitoring solution. It displays real-time engine, speed, and sensor data, delivering timely alerts and insights to enhance driving safety and vehicle health. iPad is supported as standalone device.
Screenshots
Verdict
The clearest difference is price: SkyDemon at Free against iOBD Pro's $29.99. SkyDemon also leads on iOS requirement (13.0 vs 17.2). iOBD Pro's advantage is in-app purchases (none vs 1) and chart position (#103 vs unranked). On update cadence, ads and device support 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
SkyDemon is free to download; iOBD Pro costs $29.99 up front. SkyDemon sells 1 one-off in-app purchase. iOBD Pro asks for nothing beyond the download.
SkyDemon ships an update monthly, iOBD Pro every 2 weeks. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.
| Parameter | SkyDemon | iOBD Pro |
|---|---|---|
| Price | Free — better | $29.99 |
| Rating | 4.8 (549 ratings) — better | — |
| Positive reviews | 92.3% of reviews | — |
| Number of ratings | 549 — better | — |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | — |
| Best chart rank | — | #103 — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 53 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Divelements Limited | Davidson Chua |
Bugs and requests
SkyDemon
Reported bugs
2 issues- Incompatible with latest iPad OS
- Crashes when trying to download all charts
Requested features
6 requests- Print PLOG or route on iPad
- Improved logbook functionality
- Support for official CAA/NATS charts
- Synthetic vision
- IFR flight plan filing to Eurocontrol
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- Integration with Jeppesen IFR charts
iOBD Pro
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SkyDemon
- SkyDemon iOS Subscription$199.99
iOBD Pro
No in-app purchases







