Comparison

Sky vs iSoar

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

Head to head
About

Sky

This app provides a moving map display for aviation charts, enabling flight planning, route management, and calculation of flight parameters. It includes features like airspace warnings, terrain overlay, and a logbook function for automatic flight recording. Additional charts and weather data may require separate purchases.

Highlights
  • Moving map display on aviation charts
  • Flight planning and route management
  • Distance, flight time, and fuel calculations
  • Airspace and terrain warnings
  • Automatic logbook and track recording
  • Approach and airport chart display
Features
Read full description

Sky-Map is a Moving Map navigation and flight planning system. Like the Sky-Map Versions for other platforms it contains the following functionality: - Moving Map: Displays the actual position on digital aviation charts, like ICAO chart from DFS (Maps not included) - Fast move and zoom of the map - Flightplanning: Flights can be planned direct on the map or using the waypoint database. - Routes can be saved, loaded or modified - Calculation of distances, flighttimes, wind influence, fuelconsumption - Automatic display of approach/airport charts (if AIP is installed) - Airspace warnings - Terrain overlay and altitude warning - "Direct to" function - "Nearest Airports" function - AIP Browser: displays of approach/airport charts as well as text information (if AIP is installed) - PCMet Browser: Quick access to weather information (additional costs for pc_met access apply) - Displays precipitation radar and GAFOR directly on the map (additional costs for pc_met access apply) - Logbook function: automatic logging of Starttime/Position, Landingtime/Position und Flighttime - Checklist function - Infopanels (configurable) for Speed, Altitude, Distance, Time aso.. - Logbook and track recording in Background when in motion Please note: Continued use of GPS running in the background can dramatically decrease battery life The software contains an worldwide basemap (not for navigation), additional charts from the Flight Planner/Sky-Map selection have to be installed.

About

iSoar

This navigation app assists glider pilots with route planning, real-time flight data, and landing calculations. It features moving maps of European airspace, an end-approach calculator, and an automatic flight logbook.

Highlights
  • Moving map with European airspace
  • End-approach calculator
  • Air-traffic monitor
  • Automatic flight logbook
  • IGC flight logger
Features
Read full description

iSoar – Dein digitaler Copilot im Segelflug iSoar ist das komfortable Navigationssystem speziell für Segelflieger. Von der Routenplanung bis zur Landung hast du alles im Blick – präzise, übersichtlich und immer aktuell. Funktionen: • Moving Map mit aktuellen Luftraumkarten – zeige deine Position und den Luftraum in 18 europäischen Ländern. • Endanflugrechner – berechnet deine Ankunftshöhe basierend auf der Polare deines Segelflugzeugs (50 Modelle verfügbar). • Air-Traffic-Monitor – zeigt den Verkehr um dich herum oder nur deine Buddies. • Automatisches Flug-Logbuch – Start und Landung werden erkannt und direkt eingetragen. • IGC Logger – zeichnet deinen Flug im internationalen Standardformat auf, versand- oder upload-bereit. Unterstützte Karten: Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Italy, Netherlands, Poland, Romania, Slovenia, Slovakia, Sweden, Switzerland + Gelände-Karte. Abomodelle: • 6 Monate oder 12 Monate – beide mit 14 Tagen kostenloser Testphase. Links: Nutzungsbedingungen: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Datenschutz: https://www.isoar.de/privacy/

Screenshots

Sky4 screens
iSoar3 screens

Verdict

The call

The clearest difference is monetization model: Sky at free with in-app purchases against iSoar's subscription. iSoar's advantage is review sentiment (100% vs 83%). On price, update cadence, ads and in-app purchases 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. Sky sells 12 one-off in-app purchases and iSoar sells 2 in-app purchases, starting at $36.99 per 6 months. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on August 13, 2026 and September 8, 2026 respectively.

Scorecard2 real differences · 8 level
Sky versus iSoar: the parameters behind the verdict, then further details
ParameterSkyiSoar
PriceFreeFree
Rating3.0 (1 ratings) — better—
Positive reviews82.7% of reviews100.0% of reviews — better
Number of ratings1 — better—
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size76 MB73 MB
Age rating4+4+
DeveloperRolf SchadeDenis Leupold

Customer experience

Sky

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews52 reviews
Positive82.7%
Neutral5.8%
Negative11.5%

iSoar

Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

12 purchases

Sky

One-time12
  • ICAO Chart Austria 2020$49.99
  • ICAO Chart France 2020$79.99
  • ICAO Chart Poland 2020$79.99
Show 9 more
  • ICAO Chart Germany 2024$99.00
  • ICAO Karte Deutschland 2025$99.00
  • ICAO Chart Germany 2023$99.99
  • ICAO Chart Germany 2020$119.99
  • ICAO Chart Great Britain 2020$119.99
  • ICAO Chart Norway 2020$119.99
  • ICAO Chart Sweden 2020$119.99
  • ICAO Chart Germany 2021$119.99
  • ICAO Karte Deutschland 2022$119.99
2 purchases

iSoar

Subscriptions2
  • 6 Month Subscription14 Days trial$36.996 Months
  • 1 Year Subscription14 Days trial$46.991 Year

Questions

Is Sky free?
Sky is free to download, with in-app purchases available.
Is iSoar free?
iSoar is free to download, with in-app purchases available.
Do Sky or iSoar have ads?
Neither Sky nor iSoar shows ads.
Which is updated more often, Sky or iSoar?
Sky ships an update monthly, and iSoar monthly. Most recently, Sky was updated on August 13, 2026 and iSoar on September 8, 2026.

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