Abstract: A wallet system includes: a mobile terminal including a first processor including hardware, the first processor being configured to enable a user to determine an amount that is larger than a price of a product in a store as a payment amount, and output, to a server, a payment request for paying the payment amount using electronic money deposited to an electronic wallet; and a store terminal including a display, and a second processor including hardware, the second processor being configured to cause the display to display an amount of change to the user calculated by subtracting the price of the product from the payment amount.

Abstract: A wallet program causes a processor of a computer to execute: acquiring, when it is detected that a first user has arrived in a vicinity of a predetermined store, a purchase history of products of a second user in the store from a first server; and displaying, based on the purchase history, a product to be purchased by the first user in the store on a display provided in a mobile terminal.

Abstract: A mobile terminal includes: a display; and a processor including hardware, the processor being configured to acquire progress information indicating progress of when a user visits a medical institution from a first server provided at the medical institution, and control the display to display the progress information.

Abstract: A mobile terminal includes: a display; and a processor including hardware, the processor being configured to acquire reservation information of a user from a server configured to manage the reservation information at an accommodation facility, generate a code indicating the reservation information, and control the display to display the generated code.

Abstract: A wallet server includes a processor including hardware, the processor being configured to: acquire position information about a first terminal carried by a watching target; determine whether the watching target enters a predetermined store, based on the position information; and permit the first terminal to make a payment within a range of the payment limit by outputting information about payment limit at the store to the first terminal when it is determined that the watching target enters the store.

Abstract: A mobile terminal includes: a display; and a processor including hardware, the processor being configured to acquire, when electronic money is deposited into a first electronic wallet from a first bank account registered in advance, information regarding a future scheduled withdrawal amount in the first bank account from a server managing the first bank account, and control the display to display alert information when a balance after withdrawal obtained by subtracting the scheduled withdrawal amount from a current balance of the first bank account is less than a scheduled deposit amount indicating an amount of electronic money to be deposited from the first bank account.

Abstract: A wallet system includes: a mobile terminal including a first processor including hardware, the first processor being configured to enable a user to determine an amount that is larger than a price of a product in a store as a payment amount, and output, to a server, a payment request for paying the payment amount using electronic money deposited to an electronic wallet; and a store terminal including a display, and a second processor including hardware, the second processor being configured to cause the display to display an amount of change to the user calculated by subtracting the price of the product from the payment amount.