Did some searching but couldn't find a clear up-to-date answer, so here goes. Use a Google Voice number instead of your real number when you're still getting to know someone.
The best free platforms generate revenue from ads rather than subscriptions, keeping core access open. Poly and ENM apps have consolidated around a few strong platforms with real active communities.
The discreet affair app market has grown substantially but verification quality varies enormously.
Apps already on my radar:
- Feeld
- Kasidie
- SwingLifestyle
- Adult Friend Finder
- Pure