# WINBOT W3 Omni vs HOBOT-2S: specs and price compared

A sourced, side-by-side comparison of the WINBOT W3 Omni (Ecovacs) and HOBOT-2S (HOBOT) among robot window cleaners. HOBOT-2S is the cheaper of the two at $299.

## Side by side

| 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 |

## Key differences

- 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

## Sources

- WINBOT W3 Omni: https://www.ecovacs.com/us/shop/winbot-window-cleaning-robot/winbot-w3-omni (ecovacs.com, verified 2026-08-01)
- HOBOT-2S: https://www.hobot.com.tw/hobot-2s/ (hobot.com.tw, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/robot-window-cleaners/ecovacs-winbot-w3-omni-vs-hobot-2s/
Cite: Per The Front Desk Review, WINBOT W3 Omni ($699.99) vs HOBOT-2S ($299) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/robot-window-cleaners/ecovacs-winbot-w3-omni-vs-hobot-2s/
License: CC BY 4.0.