Head to head · Window cleaning robots

Ecovacs WINBOT W3 OMNI vs Ecovacs WINBOT W2S OMNI

Ecovacs WINBOT W3 OMNI or Ecovacs WINBOT W2S OMNI? Verdict Scores 78 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, 78 to 77.

The Ecovacs WINBOT W3 OMNI has the edge in cleaning. The Ecovacs WINBOT W2S OMNI has the edge in safety, value and ease of use.

In the manufacturers' published figures the Ecovacs WINBOT W3 OMNI is ahead on 2 rows: suction (10,000 Pa against 8,000 Pa) and runtime (2 h 10 min against 1 h 50 min). No published figure puts the Ecovacs WINBOT W2S OMNI ahead.

The Ecovacs WINBOT W3 OMNI suits households with many windows who want the pads washed for them. The Ecovacs WINBOT W2S OMNI suits framed windows where the corners show.

Ecovacs
WINBOT W3 OMNI$700
Ecovacs
WINBOT W2S OMNI≈ $490

Where the Ecovacs WINBOT W3 OMNI is ahead

  • Cleaning84 · 72
  • Suction10,000 Pa · 8,000 Pa
  • Runtime2 h 10 min · 1 h 50 min

Where the Ecovacs WINBOT W2S OMNI is ahead

  • Safety76 · 70
  • Ease of Use62 · 61
  • Value63 · 58

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 W3 OMNI
Ecovacs press image
Ecovacs WINBOT W2S OMNI
Ecovacs press image
$700Price in the manufacturer's shop
≈ $490Price in the manufacturer's shop
Highest Verdict Score
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At a glance
Leads on
  • Cleaning
  • Safety
  • Ease of Use
  • Value
Pros
  • 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
  • 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, six nozzles
Cons
  • 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
  • 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
Best for
  • Households with many windows who want the pads washed for them
  • Balconies and rooms without a socket, with glass that needs the corners done
  • Framed windows where the corners show
  • Balconies and rooms without a socket
Score breakdown
Verdict Score78/10077/100
Cleaning
84
72
Adhesion
100
100
Coverage
73
73
Safety
70
76
Navigation
100
100
Ease of Use
61
62
Reliability
62
62
Value
58
63
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 ml80 ml
Glass per fill50 m²50 m²
Cleaning speed16 cm/sNot published
Cleaning modes7Not published
Corner cleaningYesYes
Corner scrubberTruEdge, lowered at the frame, up to 200 rpm, retracts after cleaningTruEdge, lowered at the frame, up to 200 rpm
Edge precision1.1 mmNot published
Time per square metreAbout 1 min 35 s, fast modeAbout 1 min 45 s, fast mode
Area on one station chargeAbout 120 m² fast mode, 48 m² deep modeAbout 65 m² fast mode, 26 m² deep mode
Spray nozzles6Not published
Pad washingVortex Wash in the station: 16 jets at 20 kPa, four discs at 200 rpm, about 1 minuteNot published
Modes in the appEight, counting remote steeringNot published
Edge mode reachNot publishedQuad-Edge mode to 1.1 cm
Adhesion
Suction10,000 Pa8,000 Pa
Pressure compensationYesYes
Suction while moving3,300 Pa3,000 Pa
Suction in the German copy8,000 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 peakNot published
Fit
Largest paneNot publishedNot published
Smallest pane30 × 40 cm30 × 40 cm
Edge detectionYesYes
Other surfacesNoNo
Frame detected from1 mm (70%), 2 mm (95%)2 mm
Obstacle detected from1 mm (70%), 2 mm (95%)Not published
Maximum pane tilt±90°45°
Safety
Power-cut backup30 min30 min
Safety ropeYesYes
Rope rating100 kgNot published
Fault self-checkNoNo
Station10 kg, suction cup over 800 N, auto-winding cable, 63 dB5.2 kg, suction cup over 800 N, auto-winding cable
Station battery9,000 mAh at 21.9 V, 120 W rated powerNot published
Edge sensing response0.02 s0.2 s
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 languages11+Not published
Mains lead to the station1.8 mNot published
Power
Battery9,000 mAh4,500 mAh
Runtime2 h 10 min1 h 50 min
Charging time3 h3 h
Connectivity
Wi-FiYesYes
BluetoothYesNo
4G / LTENoNo
Physical
Weight2.1 kg1.95 kg
L × W × H270 × 270 × 76 mm270 × 270 × 76 mm
Noise68 dB68 dB
Support
Warranty24 months24 months
Released2026Not published

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