My first App Store App was profitable from Day One: $1,000+ in 1st month
https://votefirst.app/en/blog/feedback-profitable-from-day-one
First app I ever shipped for Apple devices: justread.app, an iPhone/iPad EPUB reader. $1,230 in 30 days, profitable from day one.
Biggest lever was a feature: an in-app roadmap where users vote on what's next. More in the link.
