Head to head · Window cleaning robots

Ecovacs WINBOT W2S OMNI vs Ecovacs WINBOT W2 PRO OMNI

The maker's shops no longer list the Ecovacs WINBOT W2 PRO OMNI; we last saw it there on September 10, 2026. Read its review →

Ecovacs WINBOT W2S OMNI or W2 PRO OMNI? The WINBOT W2S OMNI: suction 8,000 vs 5,500 Pa, water tank 80 vs 60 ml. Verdict Scores 75 and 68.

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

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

Verdict

The Ecovacs WINBOT W2S OMNI has the higher Verdict Score, 75 to 68.

The Ecovacs WINBOT W2S OMNI has the edge in cleaning, adhesion and value. The Ecovacs WINBOT W2 PRO OMNI has the edge in ease of use.

In the manufacturers' published figures the Ecovacs WINBOT W2S OMNI is ahead on 3 rows: water tank (80 ml against 60 ml), glass per fill (50 m² against 40 m²) and suction (8,000 Pa against 5,500 Pa). In turn, the Ecovacs WINBOT W2 PRO OMNI is ahead on one row: noise (63 dB against 68 dB).

The Ecovacs WINBOT W2S OMNI suits framed windows where the corners show. The Ecovacs WINBOT W2 PRO OMNI suits balconies, stairwells and rooms without a socket.

Ecovacs
Ecovacs WINBOT W2 PRO OMNINo longer listed in the maker's shops

Where the Ecovacs WINBOT W2S OMNI is ahead

  • Cleaning73 · 59
  • Adhesion100 · 68
  • Value38 · 25
  • Water tank80 ml · 60 ml
  • Glass per fill50 m² · 40 m²
  • Suction8,000 Pa · 5,500 Pa

Where the Ecovacs WINBOT W2 PRO OMNI is ahead

  • Ease of Use76 · 62
  • Noise63 dB · 68 dB

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 W2S OMNI
Ecovacs press image
Ecovacs WINBOT W2 PRO OMNI
Ecovacs press image
≈ $540Price in the manufacturer's shop
≈ $650Price last seen
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
  • Cleaning
  • Adhesion
  • Value
  • Ease of Use
Pros
  • TruEdge scrubber for the corners at 200 rpm, Quad-Edge mode to within 1.1 cm
  • 8,000 Pa with pressure compensation and a 30-minute power-cut reserve
  • 80 ml tank for 50 m² a fill, wide-angle spray
  • 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
Cons
  • 68 dB, level with the W3 OMNI as the loudest Winbot
  • 1.95 kg, 350 g more than the W2 PRO OMNI on the same 110-minute station battery
  • Deep mode covers about 26 m² on one station charge
  • 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
Best for
  • Framed windows where the corners show
  • Balconies and rooms without a socket
  • Balconies, stairwells and rooms without a socket
  • Households cleaning windows in several places in one session
Score breakdown
Verdict Score75/10068/100
Cleaning
73
59
Adhesion
100
68
Coverage
73
73
Safety
76
76
Navigation
100
100
Ease of Use
62
76
Reliability
62
62
Value
38
25
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 tank80 ml60 ml
Glass per fill50 m²40 m²
Cleaning speedNot publishedNot published
Cleaning modesNot published7
Corner cleaningYesNo
Corner scrubberTruEdge, lowered at the frame, up to 200 rpmNot published
Edge mode reachQuad-Edge mode to 1.1 cmNot published
Time per square metreAbout 1 min 45 s, fast modeAbout 1 min 45 s, fast mode
Area on one station chargeAbout 65 m² fast mode, 26 m² deep modeAbout 55 m² fast mode, 22 m² deep mode
Spray nozzlesNot published6
Adhesion
Suction8,000 Pa5,500 Pa
Pressure compensationYesYes
Suction while moving3,000 Pa2,800 Pa
Fit
Largest paneNot publishedNot published
Smallest pane30 × 40 cm30 × 40 cm
Edge detectionYesYes
Other surfacesNoNo
Frame detected from2 mm2 mm
Maximum pane tilt45°Not published
Obstacle detected fromNot published4 mm
Safety
Power-cut backup30 min30 min
Safety ropeYesYes
Rope ratingNot publishedNot published
Fault self-checkNoNo
Station5.2 kg, suction cup over 800 N, auto-winding cable5.5 kg, suction cup over 800 N, auto-winding cable
Edge sensing response0.2 sNot published
Stated protection layers1212
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 languagesNot published11+
Mains lead to the stationNot published1.8 m
Power
Battery4,500 mAh4,500 mAh
Runtime1 h 50 min1 h 50 min
Charging time3 h3 h
Connectivity
Wi-FiNoYes
BluetoothYesNo
4G / LTENoNo
Physical
Weight1.95 kg1.6 kg
L × W × H270 × 270 × 76 mm271 × 271 × 77 mm
Noise68 dB63 dB
Support
Warranty24 months24 months
ReleasedNot publishedNot published

Also worth a look

  • MOVA

    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.

  • Dreame

    Dreame C1

    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.

  • Ecovacs

    Ecovacs WINBOT MINI

    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.