There actually are a bunch of Catholic apps related to confession -- the most popular of which is http://www.littleiapps.com/confession/ http://www.littleiapps.

There actually are a bunch of Catholic apps related to confession -- the most popular of which is http://www.littleiapps.com/confession/ http://www.littleiapps.com/confession/ -- but none is meant to take the place of the sacrament itself. They just walk you through the process of making a good confession.