Plenty of robots claim to mop. Fewer actually leave hardwood looking clean instead of streaky, damp, or worse, warped along the seams. The difference usually comes down to how the mop pad gets wet, how much pressure it applies, and whether the robot is smart enough to stay off your rugs while it's doing it.
These five are built specifically for that job, not just vacuums with a damp cloth zip-tied on. Pick the one that matches how much you want to think about your floors versus how much you want to forget they exist.
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The dual mop pads lift automatically the moment they sense carpet, so you don't have to babysit it near a rug edge. Back at the dock, both pads get washed and air-dried on their own, which matters more than it sounds like the first time you forget to check a mop pad for three days.
iRobot leans hard into the AutoWash dock here: the extending mop pad gets scrubbed and heat-dried after every run, so you're not storing a damp, grimy pad in a closet. LiDAR navigation keeps it from wandering into rooms it shouldn't, and it's genuinely good at edge cleaning along baseboards.
Sonic mopping vibrates the pad at high frequency instead of just dragging it, which noticeably helps with dried-on spots like coffee rings. It also self-empties for up to 70 days, so this is the one to buy if you want dock convenience without paying premium-flagship prices.
This is the one to get if you want most of the self-emptying, self-navigating experience without spending flagship money. The sonic mop and HEPA self-empty base cover the basics well, even if the water tank is smaller than what you'd get on the pricier options here.
Instead of mopping with a pad and washing it later, the roller mop rinses itself continuously as it goes, which keeps it from just smearing dirty water around your floors on a big cleaning run. It's a newer model, so the base station is a little larger than most people expect.
If you have any area rugs, prioritize a model with auto-lifting mop pads or carpet detection, otherwise you'll come home to soggy rugs. A self-cleaning dock costs more upfront but saves you from hand-washing a grimy mop pad every few days, and a bigger water tank means fewer mid-clean interruptions on larger floor plans.
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