That's a pretty good job. This may have been answered and I didn't see it, but how long did it take to get up to that level?
Author here! It's a tricky question to answer. I wrote Lunar v1 in 2017, and it was fully free for 4 years, but those years were essential for the app to mature and get a good following. In June 2021 I launched Lunar v4 with the new support for Apple Silicon and I also added a paid tier. I started making good money from the start, most likely because Lunar was already "known". I was making about $3k/month back then,…
Last year I worked on a pet project iOS app (which I never released unfortunately) and one of my struggles was figuring out how I'd portion out the features from free to not-free after release. I was thinking at the time of doing what you've done, basically releasing as free for a while and then adding a paid set of features. It's just difficult to plan what should fit there.