Sinbad contains in-app purchases. Please check the pricing plan as below: Purse of Coins-$0.99 Purse of Gems-$0.99 Coin Doubler-$1.99 Pouch of Gems-$2.99 Pouch of Coins-$2.99 Bag of Gems-$6.99 Bag of Coins-$3.99 Box of Coins-$6.99 Chest of Coins-$13.99 Box of Gems-$13.99