Puber

Puber is an app that ages pictures of people to show what they will look like through puberty.

History
Bart used the app on Lisa to show that she would look like a loser through puberty. Homer then used it on Bart to see what he would look like. The app said that Bart would be dead by seventeen.

Behind the Laughter
The name of Puber is a reference to the app Uber.