fx12 - Free-Flight Models
Favionics timer & GPS maps
About
This app connects to specialized timers and sensors to provide real-time flight data, including altitude and GPS. It allows users to manage model parameters, view detailed flight analysis, and track models on a native GPS map. An optional Apple Watch app offers live telemetry and remote control capabilities.
What's New in fx12
4.0.08
November 6, 2026
• Default Program again loads the factory program for your selected GF model (Short, Long, shOK, Storm, Spline, Flapper and more), falling back to the timer's standard defaults when no model is selected. • F1A/F1B timers with a GF model selected can load that model's default program. • Stability fix for iPhones running iOS 18.0.
MoreDeveloper apps
FAQ
Does fx12 have ads?
No, fx12 is ad-free. The app does not contain any advertisements, allowing for an uninterrupted user experience.
What devices does fx12 support?
fx12 supports Favionics fx12 / fx24 timers, fxRDT recorders, and fxWS wireless sensors. It also has an optional Apple Watch app for real-time telemetry and control.
Can fx12 be used offline?
While the app requires Bluetooth to connect to devices, many features like viewing saved flights, analyzing charts, and managing model parameters do not require an active internet connection once data is synced.
How does fx12 handle location data?
fx12 may use your location even when the app is not open, which can decrease device battery life. Continued use of GPS running in the background can dramatically decrease battery life.
What is the update frequency for fx12?
The app was last updated on 2026-11-06 with version 4.0.08. Users can expect regular updates to improve performance and add new features.
Is fx12 available on Android?
Based on the provided data, fx12 is designed for iOS devices, including iPhone and Apple Watch. It is not indicated to be available on Android.
How does fx12 compare to other flight tracking apps?
fx12 is specifically designed as a companion app for Favionics hardware, offering deep integration with their timers and sensors. This specialized focus provides a tailored experience for users of these devices.
What are the benefits of the Apple Watch app for fx12?
The optional Apple Watch app provides real-time telemetry directly on your wrist and allows you to perform RDT actions on your model remotely, offering convenience and enhanced control during flights.
