Be aware when using phone apps that some free tiers stop you exactly at the reply button.
Worth doing early on phone apps: be specific about what you want in the bio.
What I wish someone had told me about phone apps: keep the first message to two lines with a question in it.
With phone apps the thing that decided it for me was how the site behaved on a phone browser.
The deciding detail with phone apps was whether the radius setting actually worked.
The move with phone apps is to keep chatting on-platform until you are comfortable.
Take that as one data point on body positive, not gospel.
Counterpoint: I found ezhookups.online slow at first, then it picked up once I widened my radius.
Worth searching the forum for Flamedate as well, there are a few longer write-ups.