Compare Products, Services & More

Cleaning equipment: iRobot Roomba j9+ Robot Vacuum vs. Karcher FC 7 Cordless Hard Floor Cleaner

Quick Verdict

The iRobot Roomba j9+ is a versatile robot vacuum suitable for various floor types with self-emptying, while the Karcher FC 7 is a specialized hard floor cleaner with superior cleaning performance on hard surfaces.

Comparison of Cleaning equipmentiRobot Roomba j9+ Robot Vacuum vs. Karcher FC 7 Cordless Hard Floor Cleaner

Key features – Side-by-Side

AttributeiRobot Roomba j9+ Robot VacuumKarcher FC 7 Cordless Hard Floor Cleaner
Cleaning Technology3-Stage Cleaning System: Dual Multi-Surface Rubber Brushes, Edge-Sweeping Brush, and Power-Lifting Suction; Automatic Carpet Boost; Dirt DetectiveFour-roller system with counter rotation, picks up wet and dry dirt, machine-washable rollers
Floor Type CompatibilityHardwood, carpet, and tileParquet, laminate, stone, ceramic tiles, PVC, vinyl (not suitable for untreated cork)
Smart FeaturesApp Control (iRobot Home App), Imprint Smart Mapping, PrecisionVision Navigation, Voice Assistant (Alexa, Google Assistant, Siri)Intelligent tank level monitoring with visual and acoustic signals, overflow protection with automatic shutdown
Battery Life and RuntimeMaximum runtime of over 200 minutes; Approximately 90 minutes (depending on cleaning mode, floor type, and home layout)Approximately 45 minutes, 4-hour charging time
Dustbin/Tank CapacityModestly sized internal dustbin; Self-Emptying into Clean Base; Dirt Disposal Bag holds up to 60 days of debris400 ml clean water tank, 200 ml dirty water tank
Self-Emptying CapabilityEmpties into Clean Base; Clean Base holds up to 60 days of debrisNo self-emptying capability

Overall Comparison

Floor Types: Roomba wins; Self-Emptying: Roomba wins; Hard Floor Cleaning: Karcher wins; Battery Life: Roomba wins

Pros and Cons

iRobot Roomba j9+ Robot Vacuum

Pros:
  • Good at picking up pet hair on various surfaces
  • Effectively avoids obstacles
  • Easy to set up and use mobile app
  • Long battery life
  • Self-emptying dustbin
  • Easy to clean and maintain
Cons:
  • May leave some streaks on hard floors
  • May leave some fine material along edges and in corners

Karcher FC 7 Cordless Hard Floor Cleaner

Pros:
  • Effective dirt removal with four-roller system
  • Suitable for various hard floor types
  • Intelligent tank level monitoring
  • Cordless for unrestricted movement
  • Easy to maneuver
  • Self-cleaning mode
  • Quiet operation
  • Effectively cleans edges and corners
Cons:
  • Not suitable for water-sensitive floors like untreated cork
  • Dirty water tank requires frequent emptying
  • No self-emptying capability

User Experiences and Feedback