There are two main currencies in-game:

•   Gold Coins - are used to purchase Credits, Cash, Keys, and to Restock the items in the Shop.
  
  
   
  
   
•   Cash - can be used to buy upgrade parts for your Cars.
  
  
   

At the top right of the screen, you can see how much Gold Coins and Cash you currently have; if you need a little more, you can access the Shop by tapping the plus icon.

In the Marketplace, you can purchase Gold with real money or buy extra Cash using Gold.

NOTE:

You can get more Cash by:

• Winning Races, such as Regulation Races and Exhibitions

You can also get more Gold Coins by:

• Leveling up and progressing through the game.