About
This app provides a real-time interface for viewing and changing parameters of compatible devices, including altimeter and GPS data. It offers enhanced charting, usability improvements, and new flight analysis tools. An optional Apple Watch app allows for remote telemetry viewing and model control.
What's New in fx12 v3
3.0.15
April 25, 2026
Fix bug with version update
Developer apps
FAQ
What devices is fx12 v3 compatible with?
fx12 v3 is designed as a companion app for fx12, fxRDT, and fxWS devices. It allows you to view and change parameters for these specific models.
Does fx12 v3 use location services?
Yes, fx12 v3 may use your location even when the app is not open. Continued use of GPS in the background can significantly decrease device battery life.
What are the new features in version 3.0.06 of fx12 v3?
Version 3.0.06 introduced an improved charting engine, redesigned popup dialogs, new icons for model status, map enhancements like terrain view, a new timer view, and improvements to iCloud & Google backup.
Can I view flight data in 3D with fx12 v3?
Yes, fx12 v3 offers a beta feature for 3D flight visualization. You can access this by opening the GPS map chart, tapping on it, and selecting the 3D option to explore your flight path.
How does fx12 v3 handle data backups?
fx12 v3 now saves up to 4 backups, allowing you to roll back if data becomes corrupted. You can restore models from iCloud or Google when migrating to a new phone.
Is fx12 v3 available on Apple Watch?
Yes, there is an optional Apple Watch app for fx12 v3 that shows real-time telemetry and allows you to remotely control the model (RDT).
What is the update frequency for fx12 v3?
The app has seen recent updates, with version 3.0.15 released on April 25, 2026, indicating ongoing development and bug fixes. Previous updates include 3.0.06, 3.0.07, 3.0.10, and 3.0.14.
Does fx12 v3 have ads?
No, fx12 v3 does not contain advertisements. The app is free to download and use without any ad interruptions.