4 ms·
About $20-30 a month from an $1.99 iPad synthesizer app. Probably grossed about $2k over its life. It's entirely passive income: I haven't done an update since
by scrumper 12y ago
About $20-30 a month from an $1.99 iPad synthesizer app. Probably grossed about $2k over its life. It's entirely passive income: I haven't done an update since iOS 6.