Launched on August 3rd, 2018
Launched on October 22nd, 2017
PingPong
The product does an extremely simple calculation that one can do with a calculator, napkin, or spreadsheet just as easy.
Useful. Really Useful.
Nice work
It could calculate the payment processor fees at least, but it doesn't.
is very interessant. give you an idea of how much you can earn.
It could have more variables.