> Would you be willing to share how it’s doing on the business side? Hints on how you’ve grown users or how many folks are willing to subscribe?

Yes, absolutely. Here's our year-end-review where we talk numbers: https://blog.pico.sh/status-011

Ultimately, what keeps us going is we want these services to exist for our own side-project development and it's an extra boost of motivation when others use our services.

All of our marketing is through HN/lobsters/reddit since that's our target demo.