There is provided an actuation counter comprising a driver feature having one or more driver elements, which driver feature is arranged for drivable movement in response to an actuation； and a count member including one or more drive receipt elements arranged thereon for receipt of drive from said one or more driver elements of the driver feature for drivable movement of the count member. The driver feature includes one or more brake elements arranged to selectively interact with the count member to prevent overrun thereof when registering a count of an actuation. The actuation is suitably arranged for use with a drug dispenser device.
