Head-to-head of the week · Mova Z60 Ultra Roller vs Dreame Aqua10 Ultra RollerSee the comparisonAdvertise
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  2. Robot vacuums
  3. Kärcher RCW 4 Extra
  4. Alternatives

Alternatives to Kärcher RCW 4 Extra

10 window-cleaning robots at a similar price that compete with the RCW 4 Extra — what each does better, what it gives up and how the price compares.

Alternatives to the RCW 4 Extra

Mova N1
3
Mova · 2026N1
7.8
13% cheaper ≈ US$210
  • Suction power 8,000 Pa vs 5,000 Pa
  • Noise level 72 dB vs 77 dB
  • Water tank (robot) 120 ml vs 150 ml
Hobot SP10 iScraper
8
Hobot · 2026SP10 iScraper
8.8
63% pricier ≈ US$390
  • Suction power 6,000 Pa vs 5,000 Pa
  • Noise level 62 dB vs 77 dB
  • Water tank (robot) 120 ml vs 150 ml
Ecovacs Winbot Mini 2
10
Ecovacs · 2026Winbot Mini 2
6.3
4% pricier ≈ US$250
  • Suction power 8,000 Pa vs 5,000 Pa
  • Noise level 65 dB vs 77 dB
  • Water tank (robot) 50 ml vs 150 ml
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