You can have a look at a demo event at this link
https://www.youtube.com/watch?v=IpSJB0TpDrQ
First of all, why not use simply Zoom? Simple reasons like Parallel sessions, Organized QAs and very importantly the networking
Hopin is considering a reference in the online event platforms, you can see it by the next ranking
Hopin: Online venue for virtual events
https://www.g2.com/categories/virtual-event-platforms
But when you compare them, the features are very similar
And Airmeet received a big investment to grow even more