Been testing a couple of options and wanted to sanity-check with people who've spent more time on these. Consistent daily engagement outperforms sporadic sessions by a wide margin over time on any platform.
Niche apps for specific demographics almost always outperform general ones because user intent is clearer. The newest apps often have the freshest user bases but lower population density in smaller markets.
Video calling before a meet is the fastest way to confirm someone is genuinely who they claim.