When purchasing packs of 500 Coins or more, the bonus Coins are already included in the total number of Coins.
50 Coins
100 Coins
200 Coins
500 Coins (Includes 100 bonus Coins)
800 Coins (Includes 200 bonus Coins)
1,600 Coins (Includes 400 bonus Coins)
3,300 Coins (Includes 900 bonus Coins)
Note: If you purchase a pack of 500 Coins, you are paying for 400 Coins and get 100 bonus Coins for free.
You can see your bonus Coin balance on the Coin management page.
Let us know if we can make it better.