AirCopy.app offers the easiest way how to transfer files from your device to a computer or another mobile device. It is free and it doesn't require any login or additional settings. Just scan a QR code on the target device with your AirCopy.app and that's all! The target device can be the webpage https://AirCopy.app on your computer or another device running AirCopy.app. AirCopy.app supports transfer over mobile data so you don't need any WiFi connection and you don't have to create a WiFi hotspot. It is extremely easy!