Sketchfab AR could be amazing but right now it's lacking features and is poorly implemented. It's a 10x better experience using their traditional native 2D model viewer.
best and easiest solution for easy 3d sharing in AR
Just used it to take some funny pictures next to some awesome models, like characters from animes, celebrities, etc.
The app has a lot of potential, but for the time being it is a very interesting app.