I came to this category from the paid apps and the difference was noticeable.
With this category the thing that decided it for me was whether the radius setting actually worked.
Before you commit to this category, give it two weeks before deciding whether it works.
What changed my mind on this category was whether messaging was actually free or free-to-a-point.
My advice on this category: use separate photos from the ones on your other accounts.
Anyone claiming this category works everywhere has not tested it against the time of year.
Practical tip for this category: check what the free tier actually includes before investing time.
Take that as one data point on marriage dating sites have the highest success rates, not gospel.
Counterpoint: I found Datewander slow at first, then it picked up once I widened my radius.