“the CPMs the cost per thousand views or generally the cost per view is almost four times as high on iOS than it is on Android So being bootstrapped and being capital constrained from day one we knew that we needed a solution”

Target Android First to Cut User Acquisition Costs by Four Times

iOS advertising costs roughly four times more per impression than Android, yet Android users convert at nearly the same rate. For bootstrapped founders with limited capital, starting on Android can dramatically extend runway while still building a real subscriber base.