While kanban systems maintain tighter control of system WIP through the individual cards at each workstation, CONWIP systems are easier to implement and adjust, since only one set of system cards is used to manage system WIP.
Kanban systems exert greater control over system WIP through the use of individual cards at each workstation, whereas CONWIP systems are easier to configure and adapt, as they utilize a single set of system cards to manage system WIP.