The categories answer different questions: smart pill dispensers combine scheduled dose release with connectivity, remote status, adherence logs or caregiver alerts, adding data and escalation features while remaining dependent on correct loading, network service, permissions, power, and user response; automatic pill dispensers release a preloaded medication compartment at scheduled times and provide local alarms, reducing access to other doses while depending on correct filling, programming, power, user response, and a current medication plan.
The word instead makes this a use-case decision, not a contest over secondary capabilities. A situation favors smart pill dispensers when the required job is to combine scheduled dose release with connectivity. A situation favors automatic pill dispensers when the required job is to release a preloaded medication compartment at scheduled times and provide local alarms.