Pocket Trains uses two kinds of currency - coins and bux.
Coins are the basic currency used in Pocket Trains.
Coins can used for:
Coins are earned by delivering jobs, catching coins in the air during train travel, or selling completed trains from the yard.
Coins can also be purchased by exchanging buxin the Bank
Bux are the premium currency used in Pocket Trains.
Bux can be used for:
Bux are earned by delivering jobs, catching bux in the air during train travel, leveling up, or completing events.
Bux can also be 'earned' in the Shop by watching short videos (i.e. ads)