A dispenser or dispensing system. The dispenser can be a screw conveyor pill dispenser, tumbler pill dispenser, push-to-operate pill cap dispenser, twist-to-operate pill cap dispenser, or push-to-operate pill cap dispenser. The pill dispenser may include a pill dispenser control system that can interact with a personal device, such as a smart phone. The pill dispenser control system can implement communication with a personal device, pill identification, user identification and security, scheduling functions, and notifications. The pill dispenser can dispense pills manually, semi-automatically, or automatically.