Will this robot actually work in your house?

Robot mowers

17 robot lawn mowers tracked, every limit read from the maker’s own page.

• Half acre, no wire

  The best robot lawn mower with no perimeter wire, for a half-acre yard

  For a half-acre lawn with a 20% slope and no buried wire, the Greenworks AiMowbot C40 is the pick: it clears both limits that decide this page with margin, and its $1,500 is the lowest list price of any fitting unit whose maker publishes one; it is also the only pick with no verified Amazon listing, so that figure is what Greenworks asks on its own product page and buying it means buying from the maker.

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  Small yard

  The best robot lawn mower for a small yard

  For a small lawn (3,000 sq ft) with a 15% slope, the Segway Navimow i105N is enough mower at the lowest list price on this page: Segway rates it for 5,445 sq ft and a 30% slope, both well past what this yard asks of it.

• Three brands, one yard

  Navimow vs. Mammotion Luba vs. Worx Landroid

  Both the Segway Navimow H210 and the WORX Landroid Vision Cloud 1/4 Acre are rated for this lawn, to the same figure, 10,890 sq ft.

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  Navimow vs Luba

  Segway Navimow vs. Mammotion Luba

  For this yard, the Segway Navimow i210 AWD.

Pool robots

13 robotic pool cleaners tracked, every limit read from the maker’s own page.

• 
  Inground pool

  The best robotic pool cleaner for an inground pool

  For an inground pool 35 feet long, walls included, the Dolphin Nautilus CC Plus is the pick: Maytronics builds it for a pool set in the ground, rates it for one up to 40 ft, and states that it scrubs floor and walls in a single cycle, so this pool sits inside every published limit with room left.

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  Above-ground pool

  The best robotic pool cleaner for an above-ground pool

  For an above-ground pool 24 feet across, the Dolphin E10 is the pick built for this pool and nothing else: Maytronics rates it for above-ground use to 30 ft, and Popular Mechanics named it Best for Above Ground Pools, saying its scrubbing is effective but gentle enough not to damage a softer liner.

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  Three brands, one pool

  Dolphin Nautilus CC Plus vs. Aiper Scuba S1 vs. Wybot

  On an inground pool 35 feet long with the walls included, the Dolphin Nautilus CC Plus and the Aiper Scuba S1 both clear the limits their makers publish, and the Dolphin is the pick on the weight of the tester record: three review outfits named it their best overall robotic pool cleaner, against two that tested it and came away critical, including a Pool Nerd Disapproved.

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  Aiper vs Dolphin

  Aiper Scuba S1 vs. Dolphin Nautilus CC Plus

  For this pool, the Dolphin Nautilus CC Plus, on the strength of its record rather than its spec sheet: it is rated for pools to 40 ft, climbs walls, runs 120 min on a cord, and lists at $849 ($749 on Amazon when checked).

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  Wybot vs Aiper

  Wybot vs. Aiper

  For this pool, the Aiper Scuba S1.

Litter robots

17 automatic litter boxes tracked, every limit read from the maker’s own page.

• 
  Three cats

  The best automatic litter box for multiple cats

  For 3 cats between 6 and 16 pounds on clumping litter, the Whisker Litter-Robot 4 clears every limit Whisker publishes, with the widest weight range of the three picks.

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  Three brands, two cats

  Litter-Robot 4 vs. PETKIT vs. Neakasa

  For a house with 2 cats on clumping litter, the Whisker Litter-Robot 4 is the only one of these three that clears every limit its maker publishes.

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  Litter-Robot vs PETKIT

  Litter-Robot 4 vs. PETKIT Purobot

  For a two-cat house, the Whisker Litter-Robot 4.

Robot vacuums

16 robot vacuums tracked, every limit read from the maker’s own page.

• 
  Pet hair, hard floors

  The best robot vacuum for pet hair on hard floors

  eufy X10 Pro Omni: of 16 robot vacuums judged against this house, 3 clear every limit it turns on, 1 clears the limits but lacks a feature the house asked for, and 12 could not be judged at all, because their makers never printed a threshold or a mop figure on the pages we captured.

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  Three brands, one house

  Roborock vs. Roomba vs. eufy

  On a house with hard floors, a shedding dog, a mop and a self-emptying dock wanted, the eufy X10 Pro Omni and the Roborock Q8 Max+ clear every check the house turns on.

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  Roborock vs Roomba

  Roborock vs. Roomba

  For hard floors with pets, the Roborock Q10 S5+.

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  Roborock vs eufy

  Roborock vs. eufy

  For hard floors with pets, the eufy X10 Pro Omni: 8,000 Pa of suction, a mop (two spinning pads), a self-emptying dock, an anti-tangle brush, 173 min of runtime, a 21 mm threshold climb, at $900 list and $450 on Amazon when checked.

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  Roomba vs eufy

  Roomba vs. eufy

  For hard floors with pets, the eufy X10 Pro Omni: 8,000 Pa of suction, a mop (two spinning pads), a self-emptying dock, an anti-tangle brush, at $900 list and $450 on Amazon when checked.

Before you buy

• GuideMeasure before you buy

  Every home robot is sold against a limit, and every maker calls that limit something different on its spec page. Here is how to get your own numbers first.

• GuideApps, subscriptions and what stops working offline

  Every one of these machines still moves without the internet. What you lose is the map, the schedule, the history and, on some of them, the reason you paid extra.

• GuideRecalls and battery safety for home robots

  Five recalls cover every robotic pool cleaner, mower, vacuum and litter box sold in the United States since 2020, and every one of them was about heat.