Agreed on the whole. How many conversations reach a second message is the bit I would test first.
The thing nobody mentions about experience is how the mobile build compares to the desktop one.
Two of us compared notes on the app and landed in the same place on how the match quality holds up past the first day.
Assuming you are not paying, how thin the pool gets outside big cities is where the app gets tight.
The reason I stopped recommending some of these is how many conversations reach a second message.