According to Geekologie,
"The app takes users through the sacrament – in which Catholics admit their wrongdoings – and allows them to keep track of their sins.
It also allows them to examine their conscience based on personalised factors such as age, sex and marital status – but it is not intended to replace traditional confession entirely."
Ah, yes. An app on your phone that allows you to keep track of your sins. As if your girlfriend didn't have enough ammo as is.