An input apparatus 10 includes an input unit 11, a display unit 12, an input mode determination unit 13 for determining whether an input is in a first input mode or a second input mode and an input control unit for controlling, when the input to a key is determined as the first input mode, so that a plurality of characters assigned to the key are changed and displayed in sequence as input character candidates in response to the input, and when the input to the is determined as the second input mode, for searching characters corresponding to the characters assigned to the key among the inputted character strings as correction character candidates and controlling, to the searched correction character candidates, movement of the cursor displayed on the display unit 12 in response to the input.