The only thing you can't do with the companion app is play FIFA, duh. Complete SBCs (piece of advice: Especially the weekly Marquee Matchups challenge should always be completed).Buy/sell players on the transfer market and take your team to the next level.FUT stadium customization – from walkout music to cheers to fireworks elements, you can easily change everything.Unlock various bonuses/rewards (Weekend League, Division Rivals, Squad Battles or Community Events).Here's a small excerpt of what you can do with the Companion App: If you take FUT seriously, the app is your best friend and supports you with many features. The Companion App is – well, as its name would suggest – a companion application for FIFA 22 Ultimate Team and should therefore be downloaded by every single FIFA player out there.