Suggestions: limiting offline books is fine but you're overdoing it Atleast make it 50 or not 15 or 10 is acceptable As for the ads, i dont mind sparing time for them as long as there's something in return Regarding coins perhaps you could add a share option to it or limited time offers or maybe you can add something like Achievements Daily rewards Redeem codes and such or add something like events for free reading(paid stories) for a limited time like this Valentine's day. Great stories bad app