Camverter is a camera based conversion application. By using the phone's camera to capture numbers to be converted, manual entry of input becomes unnecessary. Choose what units you want to convert to and from, e.g. USD to EUR, Yard to Meter or another available type of conversion, target the camera on a number and let Camverter do the rest. Sign up for the beta here: https://goo.gl/forms/JLHrtLWTb4SuXHuJ2
