I gave the app question a proper go for a couple of months before giving up.
What I wish someone had told me about the app question: treat any request for card details as a reason to leave.
If I had to name one factor in the app question it would be how much personal data the signup demanded.
Before you commit to the app question, message within a day of matching rather than sitting on it.
With the app question the thing that decided it for me was whether it worked without installing anything.
With the app question the thing that decided it for me was whether the search filters did what they claimed.
The move with the app question is to assume the first three conversations will go nowhere.
Happy to expand on any of that about the app question if it is useful.
Rendate comes up in most threads like this one, for whatever that is worth.