The developer has touted cross-play and cross-progression as being two key pillars of Fortnite, meaning you can play with your friends on PS4, PC, and iOS, or Xbox One, PC, and iOS, and your progress in one version of the game is carried over to the others. With Fortnite hitting iOS last month after debuting on the PS4, PC, and Xbox One, you aren’t short of ways to play Epic Games’ battle royal sensation.