iDrone s not free. It uses In-App purchase and a coin shop. It is ad free.
iDrone is a UAV simulator that allows you to control an unmanned aerial vehicle, flying over a large 3D cityscape or a mountain terrain, with your iPhone or iPod Touch.
iDrone features a target practice mode where you control the vehicle and destroy targest placed randomly throughout the city.
iDrone features a mission mode where you have specific goals to achieve and specific targets to destroy located throughout the 3D cityscape or mountain terrain.
iDrone has 4 different UAV Drone models with different weapon payloads and speed characteristics.
iDrone allows you to configure sound effects volume, music volume, visibility of target beacons, and unlimited missiles.