Gladwell
Gecko
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Released 2019
Best Robot Window Cleaners · head-to-head
Gecko vs W66
A sourced, side-by-side comparison. Gecko is cheaper at —. Every spec and price links to its source.
HUTT
W66
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Which is better: the Gecko or W66?
The W66 wins 1 of the 1 specs we compare head to head; the other wins 0.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Gecko | W66 |
|---|---|---|
| US price | — | — |
| Brand | Gladwell | HUTT |
| Released | 2019 | — |
| Suction power (Pa) | — | 2600 |
| Cleaning speed mode | 3 automatic cleaning path options | ~2.5 min/m^2; intelligent suction algorithm adjusts to dirt level |
| Battery backup min | — | 30 |
| Spray system | — | 150ml intelligent water tank, wipes 70-90 sq m of glass per fill |
| Path planning | 3 automatic cleaning path options | Laser module measures range for accurate window-frame edge detection |
| Noise level (dB) | — | 65 |
| Safety tether | Safety rope included (load rating not published) | 5m safety cable (load rating not published) |
| Edge detection | Automatic edge detection | Laser-based frame/edge ranging, more precise than prior HUTT models per manufacturer |
| Weight (lb) | 4.95 | 3.46 |
Sources — Gecko: smartvacguide.com (verified 2026-08-01). W66: hutt.bg (verified 2026-08-01).
What's the difference between the Gecko and W66?
Where the two actually differ on the specs we track (5 of 9). Matching specs are omitted.
- Cleaning speed mode: Gecko 3 automatic cleaning path options vs W66 ~2.5 min/m^2; intelligent suction algorithm adjusts to dirt level
- Path planning: Gecko 3 automatic cleaning path options vs W66 Laser module measures range for accurate window-frame edge detection
- Safety tether: Gecko Safety rope included (load rating not published) vs W66 5m safety cable (load rating not published)
- Edge detection: Gecko Automatic edge detection vs W66 Laser-based frame/edge ranging, more precise than prior HUTT models per manufacturer
- Weight (lb): Gecko 4.95 vs W66 3.46