HeyNovel contains in-app purchases. Please check the pricing plan as below: HeyNovel 500 Coins-$4.99 HeyNovel 1000 Coins-$9.99 HeyNovel 100 Coins-$0.99 HeyNovel 2000 Coins-$19.99 HeyNovel 5000 Coins-$49.99 HeyNovel 7000 Coins-$69.99 HeyNovel 10000 Coins-$99.99