And I really like simpleX. I've been using it a lot recently. Whatever. Just another excuse for me to completely migrate to Nostr, even for private messages and group chats.

Apparenrly not. They've been teasing this for a while now. See page here:

https://github.com/simplex-chat/simplex-chat/blob/stable/docs/rfcs/2024-04-26-commercial-model.md