You are fan of F-Firee .
This app is fan made.
This is a good app for fan of game F-Fire to calculate the number of diamond you need to buy usd
this app is Offline calculator for Dream Fire.
This is a good app for fan of game Fire max calculating cost of the diamonds
this app is very simply
This app is FREE
Please Note:

Diamond Calculator FFire is only to help gamer in calculate in game
This app is NOT a cheat or hack to get free diamonds.