Head to head · Window cleaning robots

Ecovacs WINBOT W2 PRO OMNI vs Ecovacs WINBOT W3 OMNI

Ecovacs WINBOT W2 PRO OMNI or Ecovacs WINBOT W3 OMNI? Verdict Scores 70 and 77, where each leads on published specs and which to choose.

Manufacturers' published figures, scored by the same engine as the rankings. Nothing here is from a test we ran. · Updated

Verdict

The Ecovacs WINBOT W3 OMNI has the higher Verdict Score, 77 to 70.

The Ecovacs WINBOT W2 PRO OMNI has the edge in safety, value and ease of use. The Ecovacs WINBOT W3 OMNI has the edge in cleaning and adhesion.

In the manufacturers' published figures the Ecovacs WINBOT W2 PRO OMNI is ahead on one row: noise (63 dB against 68 dB). In turn, the Ecovacs WINBOT W3 OMNI is ahead on 4 rows, among them water tank (80 ml against 60 ml), glass per fill (50 m² against 40 m²) and suction (10,000 Pa against 5,500 Pa).

The Ecovacs WINBOT W2 PRO OMNI suits balconies, stairwells and rooms without a socket. The Ecovacs WINBOT W3 OMNI suits households with many windows who want the pads washed for them.

Ecovacs
WINBOT W2 PRO OMNI≈ $650
Ecovacs
WINBOT W3 OMNI$700

Where the Ecovacs WINBOT W2 PRO OMNI is ahead

  • Safety76 · 70
  • Ease of Use76 · 61
  • Value45 · 43
  • Noise63 dB · 68 dB

Where the Ecovacs WINBOT W3 OMNI is ahead

  • Cleaning84 · 58
  • Adhesion100 · 68
  • Water tank80 ml · 60 ml
  • Glass per fill50 m² · 40 m²
  • Suction10,000 Pa · 5,500 Pa
  • Runtime2 h 10 min · 1 h 50 min

Subscores are from our engine; the specification rows are the manufacturers' published figures, listed only where the better direction is beyond argument.

Full specification, side by side

Compare
Ecovacs WINBOT W2 PRO OMNI
Ecovacs press image
Ecovacs WINBOT W3 OMNI
Ecovacs press image
≈ $650Price in the manufacturer's shop
$700Price in the manufacturer's shop
Highest Verdict Score
Check priceCheck price

Shop links are affiliate links: a purchase through them may earn RoboVerdict a commission, which never changes a ranking.

At a glance
Leads on
  • Safety
  • Ease of Use
  • Value
  • Cleaning
  • Adhesion
Pros
  • Battery station: 110 minutes of cleaning with no socket, or mains power for longer
  • Auto-winding composite cable that combines power and safety rope; station anchored at over 800 N
  • Planned route with resume and return to start, frame detection from 2 mm, edge mode
  • Vortex Wash: the station cleans the pads itself in about a minute
  • 16 cm/s on a WIN-SLAM 5.0 route with resume, return to start and obstacle avoidance from 1 mm
  • TruEdge corner scrubber at 200 rpm; 80 ml tank for 50 m² a fill
Cons
  • Same 60 ml tank and 40 m² per fill as the W2 PRO, and no claim for the corners
  • 5,500 Pa, well under the W2S models
  • Deep-cleaning mode covers about 22 m² on one battery charge
  • 2.1 kg on the glass, the heaviest Winbot alongside the W2S PRO OMNI
  • 68 dB, level with the W2S OMNI as the loudest Winbot
  • The German copy's fall-protection list prints 8,000 Pa where the US copy and the Canadian spec list print 10,000 Pa
Best for
  • Balconies, stairwells and rooms without a socket
  • Households cleaning windows in several places in one session
  • Households with many windows who want the pads washed for them
  • Balconies and rooms without a socket, with glass that needs the corners done
Score breakdown
Verdict Score70/10077/100
Cleaning
58
84
Adhesion
68
100
Coverage
73
73
Safety
76
70
Navigation
100
100
Ease of Use
76
61
Reliability
62
62
Value
45
43
Specifications

In green: the better figure where the direction is beyond argument, such as more lawn or less noise. Where it depends on your home, nothing is marked.

Cleaning
Spray systemYesYes
Water tank60 ml80 ml
Glass per fill40 m²50 m²
Cleaning speedNot published16 cm/s
Cleaning modes77
Corner cleaningNoYes
Time per square metreAbout 1 min 45 s, fast modeAbout 1 min 35 s, fast mode
Area on one station chargeAbout 55 m² fast mode, 22 m² deep modeAbout 120 m² fast mode, 48 m² deep mode
Spray nozzles66
Corner scrubberNot publishedTruEdge, lowered at the frame, up to 200 rpm, retracts after cleaning
Edge precisionNot published1.1 mm
Pad washingNot publishedVortex Wash in the station: 16 jets at 20 kPa, four discs at 200 rpm, about 1 minute
Modes in the appNot publishedEight, counting remote steering
Adhesion
Suction5,500 Pa10,000 Pa
Pressure compensationYesYes
Suction while moving2,800 Pa3,300 Pa
Suction in the German copyNot published8,000 Pa in the German fall-protection list, where the US copy's list prints 10000Pa; 10,000 Pa is also the Canadian spec list's peak
Fit
Largest paneNot publishedNot published
Smallest pane30 × 40 cm30 × 40 cm
Edge detectionYesYes
Other surfacesNoNo
Frame detected from2 mm1 mm (70%), 2 mm (95%)
Obstacle detected from4 mm1 mm (70%), 2 mm (95%)
Maximum pane tiltNot published±90°
Safety
Power-cut backup30 min30 min
Safety ropeYesYes
Rope ratingNot published100 kg
Fault self-checkNoNo
Station5.5 kg, suction cup over 800 N, auto-winding cable10 kg, suction cup over 800 N, auto-winding cable, 63 dB
Stated protection layers1212
Station batteryNot published9,000 mAh at 21.9 V, 120 W rated power
Edge sensing responseNot published0.02 s
Navigation
Path planningYesYes
Resumes after interruptionYesYes
Returns to startYesYes
Steers round obstaclesYesYes
Control
Remote controlYesYes
Voice promptsYesYes
Cable reach5.5 m5.5 m
CordlessYesYes
Voice prompt languages11+11+
Mains lead to the station1.8 m1.8 m
Power
Battery4,500 mAh9,000 mAh
Runtime1 h 50 min2 h 10 min
Charging time3 h3 h
Connectivity
Wi-FiYesYes
BluetoothNoYes
4G / LTENoNo
Physical
Weight1.6 kg2.1 kg
L × W × H271 × 271 × 77 mm270 × 270 × 76 mm
Noise63 dB68 dB
Support
Warranty24 months24 months
ReleasedNot published2026

Also worth a look

  • MOVA

    N1

    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.

  • Ecovacs

    WINBOT mini 2

    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.

  • Dreame

    C1 Station S

    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.