The first drone and the Target Practice mission are free so you can decide if you want to support the App prior to purchasing more. iDrone includes a shop and uses In-App purchase to sell additional items, when you purchase items, we make more items. Everybody wins. iDrone is a cartoon drone simulator that allows you to control an unmanned aerial vehicle, flying over a 3D city scape or a mountain terrain on your Mac. 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 city scape or mountain terrain. There are 5 missions. iDrone has 4 different drone models with different weapon payloads and speed characteristics. iDrone allows you to configure sound effects volume, music volume, graphics quality, visibility of target beacons, and unlimited missiles.