QFX-FPV is a free Four-Axis aircraft control app developed by Logic. It is available on the Android platform and is compatible with Android 13.0 and later versions. This app is designed to control four-axis aircraft and comes with a user-friendly interface.

QFX-FPV offers a range of features such as real-time transmission of video, altitude hold mode, one-key takeoff and landing, and a gravity sensor mode. Users can also adjust the camera angle and take pictures and videos during flight. The app is easy to use and provides a stable connection between the aircraft and the mobile device. Overall, QFX-FPV is a reliable and efficient app for controlling four-axis aircraft.