Loanster is a free mortgage calcuation app. It will easily calculate your monthly payments and update that number immediatly by easy to use "increase" and "decrease" buttons without the need for a "calculate" button. You can easily find that sweet spot for your monthly payment by tweaking fields and getting instant feedback
Mortgage calculator - m-calc is very easy to use as a loan calculator.
It supports US and Canada mortgage calculations.
With M-Calc mortgage calculator you can calculate your payments.
Display mortgage amortization table