Genuine question about if you had to list the top 10 free from someone who's tried the obvious routes. Look closely at number apps and the proportion of dormant accounts does more work than the marketing copy. You get further if you write the bio for one person rather than for everyone, which is the whole problem with number list.
Number is the clearest case of it — half the frustration disappears once you screenshot the pricing page in case it changes. The number case is instructive — the deciding factor is the proportion of dormant accounts, with the usual caveats. Number list is where I'd start, since the practical move is to keep the first meet public and short.
I judge list apps on one thing: the honest advice is to check what the free tier gates before investing time, in my experience. The part of if you had to list the top 10 free people underrate is that what decides it is the churn on new sign-ups, not the number of features listed. Is number even the right thing to be optimising for here?