A quirky romantic comedy, APP follows Paul, a shy and brilliant app developer, as he desperately tries to get venture capital for his sexy virtual wingwoman invention from a sex-starved investor, Mike. To convince Mike to invest, Paul uses his app to seduce a feisty stranger, Zoey. As the app whispers advice, Paul becomes a hipster Don Juan and they grow closer through the night. But when Paul starts to feel a genuine connection, all his calculations become a little more complicated.