To keep things simple and aligned with App Store policies, AvTraffic requires an active App Store subscription to access premium features. Previously, we allowed unlocking premium features by sharing an AvTraffic login, but this option will be discontinued. Like all Apple subscriptions, your AvTraffic subscription works across all devices signed in with the same Apple ID.
If you were using the login-sharing method, please transition to an App Store subscription to continue accessing premium features. Thank you for your support!
This change will take effect on January 1 2026.
Please note that this change does not affect corporate accounts.
For a couple of years, Apple has required apps that need access to the barometric pressure sensor to ask for permission. Counterintuitively, they have categorised this sensor under 'Motion & Fitness'. Understandably, you may think this is not necessary and reply 'no'.
However, AvTraffic uses this to calculate pressure altitude and altitude AMSL. This is important for showing relative altitudes to other aircraft.
A new FAQ explains why. You can read more about it here

Improvements to the user experience particularly for new users opening AvTraffic for the first time.
This update has been up and running smoothly since early April. It includes backend performance improvements for a faster and more efficient experience.
The time between position reports has been reduced to one second and the time between traffic queries is now greatly reduced. As before, smart prediction assures that any delays are accounted for accurately.
Traffic warning times have been reduced to line up with accepted global industry norms.
The first warning now comes at 45 seconds down from 90. The second warning now comes at 25 seconds down from 45.
For pressurised aircraft, switch this on to disable the barometer in the device and avoid the possibility of cabin altitude being mistaken for pressure altitude.
When off, the pressure altitude from the barometer in the device will be broadcast and used to compare altitudes with other aircraft.
Switch this on for any low speed or low altitude types such as hang gliders, paragliders, paramotors, trikes and the like. Leave it off for all other types.
This is used to set the speed and height parameters that are used to detect takeoff and landing.
This fixes a minor issue where some local data was not being cleared out after sign out.