4% cheaper ≈ US$240
- Mop type Rotating mop pads vs Mop pad
- Suction power 25,000 Pa vs 13,000 Pa
- Base station All-in-one dock (empty + wash) vs Auto-empty dock
- Water tank (robot) 70 ml vs 250 ml
- Height 100 mm vs 97 mm
10 robot vacuum and mop combos at a similar price that compete with the RoboStar iQ660 Plus — what each does better, what it gives up and how the price compares.