iRobot Roomba j9+ vs iRobot Roomba j7+

iRobot Roomba j9+

iRobot

iRobot Roomba j9+

$800

4.3★ (2,400)

vs
iRobot Roomba j7+

iRobot

iRobot Roomba j7+

$600

4.3★ (8,500)

Quick take: The iRobot Roomba j7+ costs $200 less.

SpeciRobot Roomba j9+iRobot Roomba j7+
Price$800$600
Rating4.3★ (2,400)4.3★ (8,500)
TypeRobot VacuumRobot Vacuum
SuctionNot disclosedNot disclosed
Battery120 min120 min
NavigationCameraCamera
Noise65 dB65 dB
Dustbin400 ml400 ml
Water tank
Self-empty dockYesYes
Auto mop washingNoNo
Hot water washingNoNo
Obstacle avoidanceYesYes
Carpet detectionYesYes
Auto mop liftingNoNo
Multi-floor mappingYesYes
App controlYesYes
Dimensions13.3 x 13.3 x 3.4 in13.3 x 13.3 x 3.4 in
Weight8.3 lbs7.5 lbs
Warranty1 year1 year

Pros & cons

iRobot Roomba j9+

  • Exceptional carpet cleaning — dual rubber extractors are best-in-class for pet hair
  • P.O.O.P. guarantee replaces the robot if it runs over pet waste
  • Excellent smart home integration with Alexa, Google Home, and Siri
  • iRobot OS learns your cleaning habits and suggests schedules
  • Clean Base auto-empty system is reliable and relatively compact
  • No mop function at this price feels like a miss compared to competitors
  • Camera navigation is slower and less efficient than LiDAR
  • 120-minute battery limits coverage to about 1500 sq ft per run
  • iRobot subscription pushes premium features behind a paywall

iRobot Roomba j7+

  • PrecisionVision navigation reliably avoids pet waste, cables, and shoes
  • P.O.O.P. guarantee provides peace of mind for pet owners
  • 8500+ reviews and years of proven reliability
  • Excellent carpet cleaning with dual rubber extractors
  • Compact Clean Base blends into home decor
  • Camera navigation needs ambient light — poor in dark rooms
  • No mop function at $600 feels outdated in 2025+
  • 120-minute battery limits to smaller and medium homes
  • Suction specs aren't disclosed — feels weaker than LiDAR competitors