Well, yeah. You're on a phone. Most people here are older, and are on PCs or Macs. Website has been around for a long while, and it's set up for 2000s internet, which is fine.
Here. Click this. It's what the button goes to.
https://audiokarma.org/forums/index.php?account/upgrades
It can also be found under account, and settings and "account upgrades"