Broadly speaking, treating it as a numbers game is the fastest route to burning out — that is the bit I would tell anyone signing up today. If it helps, the people posting about success are a tiny and unrepresentative sample — happy to be argued with on that one. Does the mingle2 dating app have a lot of active users in rural areas?
Trusting your instincts early saves a lot of wasted evenings — nobody tells you this at the start.
A platform's age tells you something, but not much — nobody tells you this at the start.
For what it is worth, a month is about the minimum before judging any platform — that has been consistent for me across a few different platforms.