Best Robot Vacuum 2026

iRobot Roomba Combo j9+ Review 2026

Smartest navigation with automatic retracting mop

Updated June 30, 2026
60-day money-back guarantee

Overall Rating

9.2/10

Outstanding

Rating Breakdown

Overall
9.2
Features
9.0
Ease of Use
9.3
Value for Money
7.8
Customer Support
9.0
Reliability
9.0

About iRobot Roomba Combo j9+

iRobot Roomba Combo j9+ is our smartest navigation with automatic retracting mop. After extensive testing, we found it delivers excellent performance and features that justify its position in our rankings.

What We Like

  • Automatic mop retraction on carpet
  • Best-in-class navigation
  • Excellent app experience
  • Self-emptying base included
  • Reliable obstacle avoidance

What We Don't Like

  • Expensive at $1,399
  • Mop cleaning is basic vs competitors
  • Noisy self-emptying
  • Average battery life

Key Features

Top Feature

Smartest navigation with automatic retracting mop

Technical Specifications

Compare with Competitors

Feature
iRobot Roomba Combo j9+
Roborock S8 MaxV Ultra
Dreame L20 Ultra
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Frequently Asked Questions

Roomba j9+ features iRobot's most advanced navigation with a mop that lifts itself away from carpet automatically.
SM

Sarah Mitchell

Senior Tech Reviewer

Sarah has tested hundreds of consumer electronics across 7 years.

Final Verdict

iRobot Roomba Combo j9+ is our top recommendation for navigation with automatic retracting mop. Automatic mop retraction on carpet. Expensive at $1,399.

$1,39960-day money-back guarantee

Overall Score

9.2/10