7% cheaper ≈ US$280
- Mop type Roller mop vs Mop pad
- Runtime 180 min vs 150 min
- Height 93 mm vs 95 mm
- Noise level 70 dB vs 60 dB
- Charging time 390 min vs 360 min
10 robot vacuum and mop combos at a similar price that compete with the D9 Plus — what each does better, what it gives up and how the price compares.