Coin Doubler
From WikiRaider
The Coin Doubler is on of the Upgrades in Lara Croft: Relic Run. All Coins collected by Lara count double.
Permanently doubles the amount of coins gained during runs!
in-game info
This upgrade was introduces in version 1.0.55 of the game. It can only be purchased using real world money (4.99€).