Fortnite added a Party Hub and split view support for iPad in a recent update. The Party Hub tells you which friends are online for voice chat, according to Cult of Mac. Split View support means you can have another up running along side the game on compatible iPads.
The Party Hub is the first thing you’ll see when you load up Fortnite on an Android or iOS device (after installing the latest update). And it shows you instantly which of your friends is online. You can then voice chat with any of those friends — even if they’re in a game and you’re not. You can also start a party to voice chat with multiple friends before jumping into a match together. Party Hub works across platforms, so you can chat to friends who play on console and PC. And you can quickly transfer your party from your smartphone or tablet to another device.
Check It Out: Fortnite Adds Party Hub and Split View on iPad