Comparison

SkyDemon vs TerraMarker

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

TerraMarker

Features
Read full description

Know every acre of your land. TerraMarker turns your phone into a custom mapping tool for your property, hunting lease, farm, or favorite backcountry spot. Draw exactly what matters to you on crisp satellite, hybrid, or topo imagery — then take it offline, print it, or share it. MARK WHAT MATTERS • Drop waypoints anywhere — numbered markers or a choice of 150+ icons for stands, cameras, gates, water, feeders, and more • Organize markers into categories and pick from 24 colors • Add notes to any marker, line, or shape DRAW YOUR PROPERTY • Trace trails, roads, rivers, and fence lines with adjustable colors, widths, and dashed styles • Outline property boundaries, fields, food plots, timber, and water • Instant measurements: line length, area acreage, and perimeter for every shape RECORD AS YOU WALK • GPS track recording that keeps running with your screen locked or the app in the background • Turn a recorded walk into a permanent trail on your map WORKS WITH ZERO CELL SERVICE • Download your map area — imagery and all — for fully offline use in the field PRINT & SHARE • Export a professional, print-ready PDF map with a title block, north arrow, scale bar, and legend • Share complete maps with friends or family as a single file they can open in TerraMarker • Export to GPX and GeoJSON for use in other mapping tools — and import them too MADE FOR THE OUTDOORS • Five base map styles: Hybrid, Satellite, Outdoors/Topo, Streets, and Dark • Imperial or metric units • Your maps stay on your device — no account required Whether you're scouting a hunting property, managing a farm, marking a timber stand, or mapping the family land, TerraMarker gives you a map that's actually yours.

Screenshots

SkyDemon4 screens
TerraMarker4 screens

Verdict

The call

The clearest difference is in-app purchases: TerraMarker at none against SkyDemon's 1. SkyDemon's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 26.5). On price and ads 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. TerraMarker asks for nothing beyond the download.

Scorecard3 real differences · 7 level
SkyDemon versus TerraMarker: the parameters behind the verdict, then further details
ParameterSkyDemonTerraMarker
PriceFreeFree
Rating4.8 (549 ratings) — better—
Positive reviews92.3% of reviews—
Number of ratings549 — better—
Update frequencyMonthly—
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better26.5
Further details — not scored
Size53 MB32 MB
Age rating4+4+
DeveloperDivelements LimitedMARCUS DANIEL WILLIAMS

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

TerraMarker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

SkyDemon

One-time1
  • SkyDemon iOS Subscription$199.99
None

TerraMarker

No in-app purchases

Questions

Is SkyDemon free?
SkyDemon is free to download, with in-app purchases available.
Is TerraMarker free?
TerraMarker is free to download, with no in-app purchases.
Do SkyDemon or TerraMarker have ads?
Neither SkyDemon nor TerraMarker shows ads.

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