Uber and Obi
I (4.98☆) have gotten another "watch it or we will deactivate your account" due to account/password sharing from Uber. I assume this is because I use Obi for comparison shopping. I do like Obi because I spend most of my life outside the US (Grab, Bolt, Careem,, Cabify, Flywheel, Curb, Taxi99) and Obi keeps track of which service, where.
I guess Uber can't bear the thought that Obi might tip me off to a lower Lyft fare in the US....something I can still find by the slightly messier process of opening both apps.
Petty stuff. I bet you can guess which app I will favor in the US now.