An apparatus, system and method for conducting financial and other transactions using a wireless device are provided. A computing device includes a display screen, a user input interface, and one or more processors. A memory device has stored therein a wallet application for completing transactions based on wireless data communications between the computing device and a merchant system. The memory device further stores at least one electronic credential. The computing device is configured to wirelessly communicate with the merchant system via at least one of a network transceiver and a short-range RF transceiver, and to display information regarding one or more transactions with the merchant system on the display screen. At least one electronic credential is transmitted to the merchant system based on comparing the biometric characteristic of the user with stored biometric information to initiate the one or more transactions with the merchant system.