The Best iPad Stand? Comparing Benks & Lululook Magnetic Stands

What is the best iPad stand? Well fortunately I have been sent four recently. So I compare two offerings from Benks and Lululook. These iPad stands are all magnetic, two of them are foldable, one looks like an old iMac, and one even has a rotating platform which makes a great sound.

Where to buy? (affiliate links)
Benks Magnetic Stands https://shareasale.com/r.cfm?b=1749187&u=3187143&m=109085&urllink=&afftrack=
Lululook stands https://geni.us/OUiqj https://geni.us/ztDayR2