Comparison

SkyDemon vs H145 Flight Perfo

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

H145 Flight Perfo

This application calculates helicopter performance for the BK117 D-2 and D-3 models. It computes various flight parameters based on user-defined conditions and helicopter configuration, ensuring safe and easy operation.

Highlights
  • BK117 D-2/D-3 performance calculation
  • User-defined flight conditions
  • Helicopter configuration settings
  • Maximum Takeoff/Landing Mass
  • Hover, Climb, Level flight calculations
  • Speed, Range, Endurance
  • Height-Velocity envelope
Read full description

H145 Flight Perfo is an Airbus application designed to easily and safely compute the BK117 helicopter performance. The performance is in accordance with either the BK117 D-2 (Helionix Step 2) Flight Manual or the BK117 D-3 Flight Manual, as selected by the user. The performance calculation is based on the flight conditions and the helicopter’s configuration (including optional equipment which affects performance) as set by the user. The application covers the following performance areas : - Maximum Takeoff Mass, Maximum Landing Mass - Hover, Climb, Level flight - Ceiling - Best Endurance Speed, Best Range Speed, Maximum Speed - Fuel Flow, Range, Endurance - Height-Velocity envelope - Clear heliport, Surface level heliport, Elevated heliport, Helideck - Human External Cargo operations - Category A, Category B - Performance Class 1, Performance Class 2 - Performance in Training mode - All Engines Operating performance, One Engine Inoperative performance - Payload-Range

Screenshots

SkyDemon4 screens

Verdict

The call

The clearest difference is in-app purchases: H145 Flight Perfo at none against SkyDemon's 1. SkyDemon's advantage is update cadence (monthly vs every 33 months) and device support (3 vs 1). On price, review sentiment, ads and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SkyDemon sells 1 one-off in-app purchase. H145 Flight Perfo asks for nothing beyond the download.

UpkeepUpdate frequency

SkyDemon ships an update monthly, H145 Flight Perfo every 33 months. The most recent releases landed on October 26, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 6 level
SkyDemon versus H145 Flight Perfo: the parameters behind the verdict, then further details
ParameterSkyDemonH145 Flight Perfo
PriceFreeFree
Rating4.8 (549 ratings) — better—
Positive reviews92.3% of reviews100.0% of reviews — better
Number of ratings549 — better—
Update frequencyMonthly — betterEvery 33 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS13.0 — better14.0
Further details — not scored
Size53 MB72 MB
Age rating4+4+
DeveloperDivelements LimitedAIRBUS HELICOPTERS

Customer experience

SkyDemon

All ratings549 ratings
Positive95.1%
Neutral2.9%
Negative2.0%
Written reviews155 reviews
Positive92.3%
Neutral3.2%
Negative4.5%

H145 Flight Perfo

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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
Show 1 more
  • Integration with Jeppesen IFR charts

H145 Flight Perfo

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

SkyDemon

One-time1
  • SkyDemon iOS Subscription$199.99
None

H145 Flight Perfo

No in-app purchases

Questions

Is SkyDemon free?
SkyDemon is free to download, with in-app purchases available.
Is H145 Flight Perfo free?
H145 Flight Perfo is free to download, with no in-app purchases.
Do SkyDemon or H145 Flight Perfo have ads?
Neither SkyDemon nor H145 Flight Perfo shows ads.
Which is updated more often, SkyDemon or H145 Flight Perfo?
SkyDemon ships an update monthly, and H145 Flight Perfo every 33 months. Most recently, SkyDemon was updated on October 26, 2026 and H145 Flight Perfo on October 12, 2026.

Other comparisons