Hello.
I would advice you to try your luck on Fiverr and learn how to get traffic to your gig. [you do NOT want to depend on organic ranking again for any reasons].
1. Price
(obviously :D)
Seriously. Let's discuss what can be done better in this service.
I'm asking because it's not unrealistic to create an AppCloner alternative. And it could be even improved upon the original in some respects.
Speaking of the price, it might be even fair – because...