I added paid plans to my side project in May, and I'm trying to decide where to spend my time next. It's a free Pomodoro timer called Pomofox . Most of the product is free, and I charge $5/month for extra customization. Right now: 3k–4k visitors/month 16 paying users $80 MRR Almost all paying users are from the US I'm also seeing that people actually use the customization quite a lot, which was one of my concerns when I made it paid. So I'm at a point where I don't really wa...