In every home I've had in the past decade, I've installed smart light bulbs. Check out the TP-Link Tapo Smart Light Bulbs ($32 for four). Read on to see how each of these smart light bulbs was chosen and what makes using one so great. Philips Hue, a popular smart bulb line, still requires a hub and has for a long time (though its WiZ line doesn't), but almost every other smart bulb that comes out doesn't require it. The Best Smart Bulbs We’ve TestedAfter my latest round of testing, these are my newest favorite smart bulbs.