Shariah Compliant Investing

I have been searching on how to determine if the stock is shariah compliant but im still pretty confused as how the calculation goes . Does anyone know where in the financial report, balance sheet etc that i could get the sums to do the calculations? I know of Zoya and Islamically app but Zoya's status is not really updated and Islamically is pretty restricted or I would have to pay for their subscription which sucks hahah pls help