iRobot Roomba j9+ vs Roborock S8 MaxV Ultra

By Billy G. · Founder & Lead EditorVerified Jun 27 by Billy G.

iRobot Roomba j9+
Roborock S8 MaxV Ultra
Roborock S8 MaxV Ultra
Verified Confidence: 85%

Verdict: The Roborock S8 MaxV Ultra does more — mops and vacuums in one pass with a self-cleaning dock. The Roomba j9+ is better at the specific job of vacuuming carpet and handling pet hair with mature US-market software support.

Winner: Roborock S8 MaxV Ultra

iRobot Roomba j9+: 7/10

Roborock S8 MaxV Ultra: 7.7/10

Spec-by-spec comparison

iRobot Roomba j9+Roborock S8 MaxV Ultra
Suction Power100 CFM / strong10,000 Pa
MoppingNoYes — oscillating pads
Auto-EmptyYes — bag-basedYes — bagless
Mop Self-CleaningN/AYes — hot wash + dry
HomeKitNoYes
Price (2026)~$899-999~$1,099-1,299

iRobot Roomba j9+

What works

  • Superior carpet cleaning, especially for pet hair
  • Mature iRobot navigation with reliable room mapping
  • Simpler dock setup — plug in and use

What doesn't

  • Vacuum only — no mopping capability
  • PrecisionVision can push small objects rather than avoid them
  • No HomeKit support

Roborock S8 MaxV Ultra

What works

  • Vacuums and mops in one pass
  • Self-cleaning dock washes and dries mop pads automatically
  • Better obstacle avoidance on cluttered floors

What doesn't

  • Carpet cleaning trails j9+ on medium to high pile
  • Complex dock requires water supply setup
  • App has steeper learning curve

Bottom line

Our pick: Roborock S8 MaxV Ultra.

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