iRobot's Roomba j9+ Deploys Dirt Detective, SmartScrub Power
Robot Details
iRobot Roomba j9+ • iRobotPublished
December 21, 2025
Reading Time
3 min read
Author
Origin Of Bots

Dirt Detective Debuts
iRobot unveils the Roomba j9+, introducing Dirt Detective and SmartScrub Power as game-changing tools that transform routine floor care into intelligent, adaptive cleaning. Dirt Detective analyzes past runs to pinpoint and prioritize grimiest zones like kitchens or entryways, ramping up suction and passes where debris accumulates most. Meanwhile, SmartScrub delivers twice-deeper scrubbing through back-and-forth motions with steady pressure, tackling stubborn stains on hard floors. This launch disrupts household robotics by making vacuums proactive problem-solvers, not just scheduled sweepers, promising users fresher homes with minimal oversight.
Detective Prioritizes Messes
Dirt Detective stands out by learning from cleaning history via iRobot OS, automatically targeting high-traffic dirt hotspots without user input. It adjusts strategies on the fly, boosting power in mudrooms or dining areas while skipping pristine spaces, which saves battery and time. Paired with SmartScrub Power, which mimics manual mopping with precise pressure and dual passes, the j9+ ensures no spot escapes thorough treatment. These capabilities redefine personalization, turning data-driven insights into effortless maintenance for busy households facing pet hair or tracked-in grit.
Scrub Tech Revolutionizes
Engineering advances power SmartScrub's relentless scrubbing action, applying consistent force for penetration twice as deep as standard mops, ideal for kitchen spills or bathroom buildup. Dirt Detective leverages AI-fueled analytics within PrecisionVision Navigation, combining camera smarts with LiDAR for semantic object awareness, dodging socks or cords en route to filth. This fusion of vSLAM mapping and heuristic learning creates maps seven times faster, labeling rooms accurately from the first outing. iRobot engineers crafted these for dynamic homes, elevating robotics from basic suction to surgical precision.
Homes Transformed Daily
In real homes, Dirt Detective shines by preempting kitchen grease traps post-dinner, deploying extra passes before dirt sets, while SmartScrub eradicates pet paw prints on tiles without soaking rugs thanks to auto-retract mops. Pet owners benefit from hazard avoidance, fulfilling iRobot's P.O.O.P. guarantee against waste mishaps. Families report cleaner floors weekly with voice commands via Alexa or Siri directing targeted cleans, like under tables. This deployment means less manual labor, more family time, proving the j9+ excels in chaotic, lived-in spaces.
Precision Specs Unveiled
The Roomba j9+ robot measures 13.7 by 13.7 by 3.4 inches, weighing about 4.5 pounds for agile maneuvering, while its dock spans 16.4 by 16.3 by 15.8 inches. A 2-3 year battery lifespan supports extended sessions, backed by sensors including PrecisionVision camera, LiDAR, cliff detectors, bump guards, and dirt spotters. Spinning LiDAR merges with camera-driven SLAM for navigation, featuring safety like anti-collision, pet locks, and tangle-free brushes. iRobot OS powers AI personalization, with wheeled mobility, brush rolls, and mighty suction handling diverse floors.
Rivals Outmaneuvered
Against iRobot's Roomba Max 705, the j9+ excels in Dirt Detective smarts and SmartScrub depth, though Max 705 edges on raw budget suction. Versus Roomba Combo i5, j9+ adds superior AI prioritization and scrubbing pressure, but i5 offers simpler mopping at lower cost. Ecovacs X9 Pro Omni matches Omni-station convenience yet lags in semantic avoidance, where j9+'s camera precision avoids pet messes better. Roborock Saros Z70 boasts faster LiDAR mapping, but j9+ strengths in adaptive dirt targeting and pet safety outshine Z70's occasional tangle issues, positioning j9+ as the intelligent choice for adaptive cleaning.
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