SkyLoggerXXL vs igc Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SkyLoggerXXL
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SkyLoggerXXL sets standards for the professional or fun orientated glider, hangglider or paraglider pilot. Based on the success of SkyLogger for the iPhone SkyLoggerXXL is a universal app that has been rewritten and optimized for the iPad and iPhone. It offers the same functionality for tracking flights as SkyLogger but goes with respect to its analysis capabilities and improved user interface far further: - Apple Watch support; - 2D & 3D flight data visualization; - downloadable map data; - large and individually adaptable instruments on a moving map allow best viewing comfort; - north or in flight direction orientation of moving map; - built-in live tracking support for Leonardo or Vgps servers - visualization of previously flown flights as track traces on moving map; - visualization of airspaces with user defined colors; - instrument showing the distance and direction to the closest airspace; - 3 axis acceleration measurements; - tracked flights are stored in highly efficient internal database; - default flight parameters can be stored and retrieved to make flight information entering for competitions easier; - SkyLoggerXXL supports common file formats like IGC, CSV, GPX and KML; - IGC files created by SkyLoggerXXL are OLC conform and can directly be sent to Leonardo, XCCup, XContest and XC globe based OLC servers; - calculation of XC points for FAI triangle, triangle and free distance over 5 points; - XC analysis (determination of FAI triangle areas); - printing of flightbooks, flight information and statistics - all diagrams, maps or charts can either be e-mailed or copied for incorporation into other apps; - integration of SkyView database for exchanging waypoints; - support of external accessories, like FlyNet, SensBox, SkyDrop, Skywatch BL and XC Tracer; - weather data history of selected weather stations for the last 48 hours; - online wind speed and direction visualization on maps for selected weather stations; - visualization of hotspots; - visualization of regions with thermals; - and much much more! Experience the new world of flight tracking and analysis. NOW! Disclaimer: Continued use of GPS running in the background can dramatically decrease battery life.
igc Viewer
Easily view flight data from .igc files. Simply open the file through your device's File App or share it directly to the application. It handles various file sizes, displaying your flight information efficiently.
- Open .igc files
- File App integration
- Share to app functionality
- Handles various file sizes
- Displays flight information
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How to use. - Open File App. (Alternatively, click the share button and open with 'copy to igc viewer') - Select [.igc] file. - The app will open igc file (it might take a few seconds depending on the file size).
Screenshots
Verdict
The clearest difference is price: igc Viewer at Free against SkyLoggerXXL's $23.99. igc Viewer also leads on iOS requirement (16.0 vs 18.6). On update cadence, ads, in-app purchases 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
igc Viewer is free to download; SkyLoggerXXL costs $23.99 up front. SkyLoggerXXL sells 8 one-off in-app purchases and igc Viewer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
SkyLoggerXXL ships an update every 2 months, igc Viewer every 4 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.
| Parameter | SkyLoggerXXL | igc Viewer |
|---|---|---|
| Price | $23.99 | Free — better |
| Rating | — | 4.0 (2 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Requires iOS | 18.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 83 MB |
| Age rating | 4+ | 4+ |
| Developer | Hartwig Wiesmann | Hiroki Kijima |
In-app purchases
SkyLoggerXXL
- Accelerometer$1.99
- 2D maps from 3rd parties$3.99
- 3D maps$3.99
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- Maps from 3rd parties$4.99
- FlyNet accessory$9.99
- SensBox accessory$9.99
- XC Tracer accessory$9.99
- SkyDrop accessory$9.99
igc Viewer
- Flight Computer Mode$4.99
Questions
Is SkyLoggerXXL free?
Is igc Viewer free?
Do SkyLoggerXXL or igc Viewer have ads?
Which is updated more often, SkyLoggerXXL or igc Viewer?
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