Ecovacs
WINBOT W3 Omni
$699.99
Released 2026-01
Best Robot Window Cleaners · head-to-head
WINBOT W3 Omni vs HOBOT-2S
A sourced, side-by-side comparison. HOBOT-2S is cheaper at $299. Every spec and price links to its source.
HOBOT
HOBOT-2S
$299Cheaper
Released 2021
Which is better: the WINBOT W3 Omni or HOBOT-2S?
The HOBOT-2S wins 1 of the 1 specs we compare head to head; the other wins 0. The HOBOT-2S is the cheaper at $299. The HOBOT-2S both leads on specs and costs less — the straightforward pick.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | WINBOT W3 Omni | HOBOT-2S |
|---|---|---|
| US price | $699.99 | $299 |
| Brand | Ecovacs | HOBOT |
| Released | 2026-01 | 2021 |
| Suction power (Pa) | 10000 | — |
| Cleaning speed mode | 8 modes (Fast/Deep/Thorough/Edge/Spot/Zone/Heavy-duty/Remote); 16 cm/s top speed, ~1m35s per 1x1m panel in Fast mode | ~2.4 min/m^2, 12 cm/s movement speed |
| Battery backup min | 130 | 20 |
| Spray system | 3-nozzle wide-angle spray, 80ml tank, >=70% spray coverage; Vortex Wash station auto-washes pads with 16 jets (~1 min cycle) | Dual patented ultrasonic nozzles, 108kHz, 15um mist; 2x26ml replaceable water tanks |
| Path planning | WIN-SLAM 5.0 with 1mm dynamic obstacle avoidance | AI smart route planning (zigzag: horizontal pass then vertical) |
| Noise level (dB) | 71.5 | 64 |
| Safety tether | 3-layer composite power/safety cable rated to 100kg, plus 1m backup rope | 4.5m rope rated to 200kg (per hobot.com.tw); some third-party specs list 150kgf |
| Edge detection | Optocoupler edge sensor, 0.02s response; TruEdge retracting scrubber cleans to ~1.1cm of the frame | Edge-leakage sensors + auto edge detection |
| Weight (lb) | 4.9 | 2.87 |
Sources — WINBOT W3 Omni: ecovacs.com (verified 2026-08-01). HOBOT-2S: hobot.com.tw (verified 2026-08-01).
What's the difference between the WINBOT W3 Omni and HOBOT-2S?
Where the two actually differ on the specs we track (8 of 9). Matching specs are omitted.
- Cleaning speed mode: WINBOT W3 Omni 8 modes (Fast/Deep/Thorough/Edge/Spot/Zone/Heavy-duty/Remote); 16 cm/s top speed, ~1m35s per 1x1m panel in Fast mode vs HOBOT-2S ~2.4 min/m^2, 12 cm/s movement speed
- Battery backup min: WINBOT W3 Omni 130 vs HOBOT-2S 20
- Spray system: WINBOT W3 Omni 3-nozzle wide-angle spray, 80ml tank, >=70% spray coverage; Vortex Wash station auto-washes pads with 16 jets (~1 min cycle) vs HOBOT-2S Dual patented ultrasonic nozzles, 108kHz, 15um mist; 2x26ml replaceable water tanks
- Path planning: WINBOT W3 Omni WIN-SLAM 5.0 with 1mm dynamic obstacle avoidance vs HOBOT-2S AI smart route planning (zigzag: horizontal pass then vertical)
- Noise level (dB): WINBOT W3 Omni 71.5 vs HOBOT-2S 64
- Safety tether: WINBOT W3 Omni 3-layer composite power/safety cable rated to 100kg, plus 1m backup rope vs HOBOT-2S 4.5m rope rated to 200kg (per hobot.com.tw); some third-party specs list 150kgf
- Edge detection: WINBOT W3 Omni Optocoupler edge sensor, 0.02s response; TruEdge retracting scrubber cleans to ~1.1cm of the frame vs HOBOT-2S Edge-leakage sensors + auto edge detection
- Weight (lb): WINBOT W3 Omni 4.9 vs HOBOT-2S 2.87