PATapp is a mobile app which helps to perform Precision Agriculture in Tuber Crops. It is developed by ICAR-Central Tuber Crops Research Institute. The app deals with important tuber crops like cassava, seetpotato and elephant foot yam as well as banana. It provide advisory on exact quantity of inputs like NPK fertilizers and water, which are to applied to these crops to attain potential yield at optimum dosage of these inputs.