Devices with no monthly fee typically work by texting pre-selected contacts (known in the industry as "spray and pray") or dialing 911 directly. Both have real limitations: family members miss calls, silence their phones, or may be hours away. A 911 dispatcher works from scratch with no knowledge of the caller's medical history, home access details, and can only help by dispatching emergency services.
A professional monitoring subscription provides a higher level of safety. When triggered, the device puts a trained agent on the line quickly, often faster than 911. The agent already has the wearer's full profile on screen, including medical conditions, emergency contacts, and home access information. They can contact a neighbor for a minor incident or dispatch emergency services if needed.