KahneFan
Senior Member
Kenu airframe+ (not the pro). They are tiny, easily fit on the vent, and don't require you to stick anything on your phone. I paid $20 for it at Target.
That's pretty nice! I don't plan to use it all the time, really only for Navi, so it's small enough that it won't stick out when not in use.
https://www.kenu.com/products/airframe-plus