Independent rankings
Window cleaning robots that hang on a pane by suction and wipe it on a planned route, judged on the glass and on what they do in a power cut.
17 models evaluated · Updated October 2026
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MOVA's light 8,000 Pa window robot: sprays from a 120 ml tank for 32 m², plans a Z or N route, talks you through the job in 15 languages and holds on for 30 minutes after a power cut.
The slim Winbot for narrow panes from 25 × 25 cm: 8,000 Pa, felt brushes at all four corners, ultrasonic mist from a 50 ml tank for 30 m², WIN-SLAM 4.0 and 30 minutes of grip after a power cut.
The 10,000 Pa Winbot with the biggest tank: TruEdge 2.0 cleaning flush to the frame, 120 ml for 75 m² a fill, four-stage noise reduction to 66 dB and a battery station for 110 minutes off the mains.
Dreame's C1 with an 8,000 Pa motor and a portable battery station: corner brushes, 14 cm/s with resume and return to start, a 140 kg-rated cable, 63 dB, panes to 2.5 × 4 m, on glass, marble or tiles.
The Winbot with a corner scrubber: 8,000 Pa, a TruEdge brush that drops into the corners at 200 rpm, an 80 ml tank for 50 m² and a 5.2 kg battery station for 110 minutes off the mains.
Ecovacs' 2026 flagship: 10,000 Pa, a TruEdge corner scrubber, six nozzles on an 80 ml tank for 50 m², 16 cm/s, and a 10 kg station that washes the pads itself and runs 130 minutes off the mains.
MOVA's first window robot with a base station: 10,000 Pa, panes to 2.5 × 8 m, rated for 90 m² of wet cleaning, an 80 ml tank with warm water, corner brushes, 80 minutes off the mains, 3-year warranty.
Quiet 5,500 Pa window robot with corner brushes, a 14 cm/s planned route that resumes and returns to its start, a 140 kg-rated tether and a battery-station kit sold separately.
A 215 mm window robot for small and narrow panes from 22 × 25 cm: 7,500 Pa, ultrasonic misting from a 60 ml tank for 25 m², three modes, 1.3 kg and 30 minutes of grip after a power cut.
Ecovacs' corded entry-level Winbot: 5,300 Pa, six spray nozzles on a 60 ml tank for 40 m², seven modes on a planned WIN-SLAM route, an edge mode and 30 minutes of grip after a power cut.
Mamibot's flagship with a squeegee: 8,000 Pa, a 215 ml tank for 35 m², four-side edge sensors, five modes, a 650 mAh backup for 25 minutes and a combined cable and rope, for glass, tiles or marble.
HOBOT's dual-mop polisher: two cloths reciprocating 600 times a minute behind a 15 µm ultrasonic spray, 4,800 Pa, ELB edge sensors, 12 cm/s, a 230 kgf rope and 20 minutes of grip after a power cut.
HOBOT's squeegee robot: twin auto-lifting scrapers behind a pump-fed spray, 6,000 Pa, Edge-Leakage sensors for gaps under 5 mm, four modes, a 230 kgf rope and 20 minutes of power-cut backup.
Mamibot's 2022 round promotional edition: 2,500 Pa, pumped spray from a 50 ml tank, dual rotating pads, Z and N routes with return to start, a 4 m rope, 30 minutes after a power cut, app and remote.
Mamibot's 2024 round flagship: 2,200 to 3,200 Pa, auto-adjusted, atomising spray from a 60 ml tank, dual rotating pads, six route patterns, a 5 m rope, pressure edge sensors, app, remote or buttons.
Mamibot's 2024 entry-level round robot: 2,500 Pa, pumped spray from a 50 ml tank, dual rotating pads, a 4 m rope, 30 minutes of power-cut backup, app and remote; frameless glass not recommended.
Mamibot's cordless window robot: a 3,350 mAh battery for 100 minutes and 30 m², 2,000 to 2,600 Pa with auto adjustment, frameless edge detection, 8 cm thick, a 2.4 GHz remote and no spray, no app.