Each roundup leads with a short list and the reason each pick fits. We research specifications, manuals, and support documents rather than testing products in a lab, and every page says so.

Video doorbells. Start with the best video doorbells for seniors, then narrow by power and home type: battery-powered doorbells, wired doorbells for existing wiring, doorbells under $100, apartments with a shared entry, and viewing visitors on a TV or Echo Show.

Locks, plugs, and lights. Compare smart locks for seniors and smart locks for Google Home; the easiest smart plugs to set up, plugs for Apple Home, plugs with energy monitoring, and plugs for Home Assistant; and smart lights under $50.

Safety and starter kits. See leak detectors, motion sensor chimes, indoor cameras, starter kits, and security bundles and their plan costs.