Here is free mortgage calculator app free shows values in Dollars $ (USD), Actually any country in the world can use this mortgage calculation app just neglect the $ symbol and consider your currency as formulae for mortgage calculation will be same.

How to calculate Mortgage using this Android App?
1- Download and Install APP > Open It.
2-Then input Total Amount > Down payment > Interest Rate > Amortization Period. Click Calculate Mortgage. Then you will get the results below calculate tab > The value will be in $ you can consider your currency.

Its totally free to calculate mortgages in $ (US dollars)