Wingload for Skydiving vs Airtime BT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Wingload for Skydiving
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A simple wing load calculator for skydiving. Wing loading is a measurement of how much total weight is supported by how large a wing, and is expressed in pounds per square foot. This tool lets you calculate your wing load using both metric and imperial units. You can also compare your wing loading on different sizes of canopies using the compare feature.
Airtime BT
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Download your tracks directly from your Flysight 2 via Bluetooth and check your performances on your phone between two jumps! Also compatible with Flysight 1 (requires standard iPhone adapter, see documentation). Remember to update your Flysight 2 to the latest official firmware to enable Bluetooth support. See instructions here: https://flysight.ca/firmware/ Please check the documentation and report bugs here: https://github.com/vef445/AirtimeBT/blob/master/README.md
Screenshots
Verdict
The clearest difference is update cadence: Airtime BT at every 3 days against Wingload for Skydiving's every 3 weeks. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Wingload for Skydiving ships an update every 3 weeks, Airtime BT every 3 days. Both last shipped on September 9, 2026.
| Parameter | Wingload for Skydiving | Airtime BT |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 16.6 — better |
| Further details — not scored | ||
| Size | 1 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Anton Roslund | Guillaume Gerard Frantz Vigneron |
In-app purchases
Wingload for Skydiving
No in-app purchases
Airtime BT
No in-app purchases
Questions
Is Wingload for Skydiving free?
Is Airtime BT free?
Do Wingload for Skydiving or Airtime BT have ads?
Which is updated more often, Wingload for Skydiving or Airtime BT?
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