This app is designed and tested by an expert electrical engineer, It has the following sections:
Wire ampacity chart for copper and aluminum cables which have XLPE or PVC insulation, AWG and metric types.
Voltage drop calculator for loads, just insert load current, cable length and select cable size, and get voltage drop for :
CU/XLPE, CU/PVC, AL/XLPE and AL/PVC cables
Short circuit data of copper and aluminum cables

Use this app when you are designing load cables and make sure you are making the right calculations.