Provided is a controller apparatus worn on a user's hand that includes a first sensor disposed at a position on a controller body where a plurality of fingers of the user come into contact with the controller body when the user grips the controller body and detects spatial positional displacement between the plurality of respective fingers of the user and itself and a second sensor disposed in an area on the controller body that comes into contact with the plurality of fingers of the user when the user grips the controller body, the area being different from the area where the first sensor is disposed, and detects spatial positional displacement between the plurality of respective fingers of the user and itself, in which the first sensor has a higher sensitivity setting than the second sensor.