AliceHill

Flowkey — The easiest way to learn piano

U2 Album Opt-Out — One click removal of U2's album from your iTunes

Invisible Girlfriend — Evidence that you have a girlfriend, even if you don't

Product Hunt for iOS — The best new products, every day, in your pocket

WikiWand — WikiWand is a slick new interface for Wikipedia

Paperback by Tablo — Publish in eBook & Paperback to every bookshop in the world