The free app, "Air Traffic - flight tracker", provides all of the information that you need about the current state of the air traffic of planes and helicopters. You can get the latest news about the aircraft in real time. You can view the position of the planes in the sky, and see what the conditions are in the different areas of the world. You can also see the current status of the flight, such as the current altitude, the current speed, etc. All of the information is presented in a very clear and easy-to-use interface.

The app is very easy to use, and you don't have to download any other apps or pay for any subscriptions. The app is completely free.