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2026 comparison
Updated Jan 16, 2026
|Sources: Amazon, ManufactureriRobot Roomba Combo j9+ Auto-Fill Robot Vacuum and Mop vs Roborock Q5 Pro+ Robot Vacuum and Mop
If you are torn between iRobot Roomba Combo j9+ Auto-Fill Robot Vacuum and Mop and Roborock Q5 Pro+ Robot Vacuum and Mop, this breakdown is for you. We compare specs, pros, and cons so you can decide confidently.
Ratings: 3.6★ vs 4.2★
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iRobot Roomba Combo j9+ Auto-Fill Robot Vacuum and Mop
★3.6
(1,171)•Amazon
Navigation:PrecisionVision Navigation (Camera-based VSLAM with object recognition and avoidance).
Mapping:Imprint Smart Mapping (Stores up to 10 maps, room segmentation, room naming, and Keep Out Zones).
Obstacle Avoidance:PrecisionVision with AI (Identifies and avoids cords, pet waste, shoes, socks, and seasonal items).
Suction Pa:Not published (Rated 100% stronger suction vs. Roomba i-Series / 2x Power-Lifting Suction).
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Roborock Q5 Pro+ Robot Vacuum and Mop
★4.2
(881)•Amazon
Navigation:PreciSense LiDAR Navigation (Systematic, map-based cleaning with adaptive route algorithms).
Mapping:LiDAR mapping (Multi-level mapping, Quick Mapping, 3D Map Viewing, Matrix Map).
Obstacle Avoidance:Standard sensor-based avoidance (No AI camera/structured-light object recognition).
Suction Pa:5,500 Pa
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Comparison: iRobot Roomba Combo j9+ Auto-Fill Robot Vacuum and Mop vs Roborock Q5 Pro+ Robot Vacuum and Mop
iRobot Roomba Combo j9+ Auto-Fill Robot Vacuum and Mop
★3.6(1,171)Amazon
Roborock Q5 Pro+ Robot Vacuum and Mop
★4.2(881)Amazon
| Criterion | iRobot Roomba Combo j9+ Auto-Fill Robot Vacuum and Mop | Roborock Q5 Pro+ Robot Vacuum and Mop |
|---|---|---|
| Rating | ★3.6(1,171)Amazon | ★4.2(881)Amazon |
Navigation | PrecisionVision Navigation (Camera-based VSLAM with object recognition and avoidance). | PreciSense LiDAR Navigation (Systematic, map-based cleaning with adaptive route algorithms). |
Mapping | Imprint Smart Mapping (Stores up to 10 maps, room segmentation, room naming, and Keep Out Zones). | LiDAR mapping (Multi-level mapping, Quick Mapping, 3D Map Viewing, Matrix Map). |
Obstacle Avoidance | PrecisionVision with AI (Identifies and avoids cords, pet waste, shoes, socks, and seasonal items). | Standard sensor-based avoidance (No AI camera/structured-light object recognition). |
Suction Pa | Not published (Rated 100% stronger suction vs. Roomba i-Series / 2x Power-Lifting Suction). | 5,500 Pa |
Brush System | Dual Multi-Surface Rubber Brushes (Resistant to hair tangles) + Edge-Sweeping Brush. | DuoRoller Brush (Dual all-rubber main brushes to resist hair tangles) + Single side brush. |
Mopping | SmartScrub System (Back-and-forth scrubbing motion with consistent pressure). | Yes (Basic snap-on mop module with 0.05 gal / 180 mL onboard water tank). |
Mop Lift | Auto-Retract Mopping System (Lifts mop pad to the top of the robot to keep carpets completely dry). | No (No mop lifting; requires manual removal of mop module for carpets). |
Carpet Boost | Yes (Carpet Boost automatically increases suction on carpets). | Yes (Automatic Carpet Boost). |
Battery | 14.4V / 4460 mAh Lithium-ion | 14.4V / 5200 mAh Lithium-ion |
Runtime | Up to 120 min (Recharge and Resume supported) | Up to 240 min (in Silent Mode) |
Charging Time | Approx. 3 hours | < 6 hours |
Dustbin | 0.08 gal (313 mL) — Internal bin | 0.20 gal (770 mL) — Extra large onboard bin |
Water Tank | 0.05 gal (210 mL) — Internal tank (Auto-refilled by dock) | 0.05 gal (180 mL) |
Auto Empty | Yes | Yes |
Dock Type | Clean Base Auto-Fill Dock (Empties debris for up to 60 days, refills water for up to 30 days; 15.8" W x 16.4" D x 16.3" H). | RockDock Plus Auto-Empty Dock (2.5 L / 0.66 gal dust bag, rated for up to 7 weeks; approx. 12.01" W x 17.32" D x 17.64" H). |
Mop Wash | No (Pad requires manual washing) | No |
Mop Dry | No | No |
Filtration | High-Efficiency Filter (Captures 99% of cat and dog allergens) | E11 Rated Washable Filter |
Noise Level | Approx. 68 dB | Approx. 67 dB (Balanced Mode) |
App Features | iRobot Home App (Dirt Detective prioritizes dirty rooms, Clean While I'm Away, SmartScrub settings, Pet Owner Official Promise). | Roborock App (No-Go Zones, Invisible Walls, Custom Cleaning Schedules, Pin-n-Go, Multi-Level Mapping up to 4 floors). |
Voice Assistants | Amazon Alexa, Google Assistant, Apple Siri. | Amazon Alexa, Google Home, Apple Siri Shortcuts. |
Multi Floor | Yes (Imprint Smart Mapping stores multiple floor plans). | Yes (Up to 4 map levels supported). |
Threshold Climb | 0.6" (1.6 cm) — Reduced slightly due to mopping mechanism | 0.79" (20 mm) |
Height | 3.40" (87 mm) | 3.80" (96.5 mm) |
Dimensions | 13.70" (L) x 13.70" (W) x 3.40" (H) | 13.78" (L) x 13.90" (W) x 3.80" (H) |
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iRobot Roomba Combo j9+ Auto-Fill Robot Vacuum and Mop
Rating:★3.6(1,171)Amazon
Navigation:PrecisionVision Navigation (Camera-based VSLAM with object recognition and avoidance).
Mapping:Imprint Smart Mapping (Stores up to 10 maps, room segmentation, room naming, and Keep Out Zones).
Obstacle Avoidance:PrecisionVision with AI (Identifies and avoids cords, pet waste, shoes, socks, and seasonal items).
Suction Pa:Not published (Rated 100% stronger suction vs. Roomba i-Series / 2x Power-Lifting Suction).
Brush System:Dual Multi-Surface Rubber Brushes (Resistant to hair tangles) + Edge-Sweeping Brush.
Mopping:SmartScrub System (Back-and-forth scrubbing motion with consistent pressure).
Mop Lift:Auto-Retract Mopping System (Lifts mop pad to the top of the robot to keep carpets completely dry).
Carpet Boost:Yes (Carpet Boost automatically increases suction on carpets).
Battery:14.4V / 4460 mAh Lithium-ion
Runtime:Up to 120 min (Recharge and Resume supported)
Charging Time:Approx. 3 hours
Dustbin:0.08 gal (313 mL) — Internal bin
Water Tank:0.05 gal (210 mL) — Internal tank (Auto-refilled by dock)
Auto Empty:Yes
Dock Type:Clean Base Auto-Fill Dock (Empties debris for up to 60 days, refills water for up to 30 days; 15.8" W x 16.4" D x 16.3" H).
Mop Wash:No (Pad requires manual washing)
Mop Dry:No
Filtration:High-Efficiency Filter (Captures 99% of cat and dog allergens)
Noise Level:Approx. 68 dB
App Features:iRobot Home App (Dirt Detective prioritizes dirty rooms, Clean While I'm Away, SmartScrub settings, Pet Owner Official Promise).
Voice Assistants:Amazon Alexa, Google Assistant, Apple Siri.
Multi Floor:Yes (Imprint Smart Mapping stores multiple floor plans).
Threshold Climb:0.6" (1.6 cm) — Reduced slightly due to mopping mechanism
Height:3.40" (87 mm)
Dimensions:13.70" (L) x 13.70" (W) x 3.40" (H)
✓ Pros:
- • Clean Base Auto-Fill Dock automates both dust emptying and water refilling
- • Auto-Retract Mopping System is the industry standard for keeping high-pile carpets dry
- • Dirt Detective (iRobot OS) automatically prioritizes the dirtiest rooms
- • Dual Multi-Surface Rubber Brushes are excellent for pet hair and carpets
- • Elegant dock design with a wood-like surface top
✗ Cons:
- • Dock does not wash or dry the mop pad (requires manual maintenance)
- • Navigation and mapping are slower than LiDAR-based competitors
- • Lacks live video monitoring despite having a camera (privacy-focused)
- • Small onboard dustbin relies heavily on frequent auto-emptying
As an Amazon Associate I earn from qualifying purchases.
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Roborock Q5 Pro+ Robot Vacuum and Mop
Rating:★4.2(881)Amazon
Navigation:PreciSense LiDAR Navigation (Systematic, map-based cleaning with adaptive route algorithms).
Mapping:LiDAR mapping (Multi-level mapping, Quick Mapping, 3D Map Viewing, Matrix Map).
Obstacle Avoidance:Standard sensor-based avoidance (No AI camera/structured-light object recognition).
Suction Pa:5,500 Pa
Brush System:DuoRoller Brush (Dual all-rubber main brushes to resist hair tangles) + Single side brush.
Mopping:Yes (Basic snap-on mop module with 0.05 gal / 180 mL onboard water tank).
Mop Lift:No (No mop lifting; requires manual removal of mop module for carpets).
Carpet Boost:Yes (Automatic Carpet Boost).
Battery:14.4V / 5200 mAh Lithium-ion
Runtime:Up to 240 min (in Silent Mode)
Charging Time:< 6 hours
Dustbin:0.20 gal (770 mL) — Extra large onboard bin
Water Tank:0.05 gal (180 mL)
Auto Empty:Yes
Dock Type:RockDock Plus Auto-Empty Dock (2.5 L / 0.66 gal dust bag, rated for up to 7 weeks; approx. 12.01" W x 17.32" D x 17.64" H).
Mop Wash:No
Mop Dry:No
Filtration:E11 Rated Washable Filter
Noise Level:Approx. 67 dB (Balanced Mode)
App Features:Roborock App (No-Go Zones, Invisible Walls, Custom Cleaning Schedules, Pin-n-Go, Multi-Level Mapping up to 4 floors).
Voice Assistants:Amazon Alexa, Google Home, Apple Siri Shortcuts.
Multi Floor:Yes (Up to 4 map levels supported).
Threshold Climb:0.79" (20 mm)
Height:3.80" (96.5 mm)
Dimensions:13.78" (L) x 13.90" (W) x 3.80" (H)
✓ Pros:
- • Impressive 5,500 Pa suction power for its price tier
- • DuoRoller dual rubber brushes significantly reduce hair tangles
- • Massive 770 mL onboard dustbin combined with 2.5 L auto-empty dock
- • Excellent battery life (240 min) suitable for large homes
- • Reliable LiDAR navigation with fast mapping capabilities
✗ Cons:
- • Passive mopping only (drag-and-wipe, no scrubbing or lifting)
- • Lacks advanced AI obstacle avoidance (struggles with cables/socks)
- • No automatic water refilling or mop washing in the dock
As an Amazon Associate I earn from qualifying purchases.
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Which one is better?
Based on ratings and feature balance, Roborock Q5 Pro+ Robot Vacuum and Mop has a slight edge for overall satisfaction. iRobot Roomba Combo j9+ Auto-Fill Robot Vacuum and Mop remains a strong alternative if its strengths match your needs.
Who should buy each?
For performance and polish: iRobot Roomba Combo j9+ Auto-Fill Robot Vacuum and Mop (Clean Base Auto-Fill Dock automates both dust emptying and water refilling, Auto-Retract Mopping System is the industry standard for keeping high-pile carpets dry)
For value or versatility: Roborock Q5 Pro+ Robot Vacuum and Mop (Impressive 5,500 Pa suction power for its price tier, DuoRoller dual rubber brushes significantly reduce hair tangles)
Conclusion
iRobot Roomba Combo j9+ Auto-Fill Robot Vacuum and Mop and Roborock Q5 Pro+ Robot Vacuum and Mop are both solid choices. Match the strengths above to your budget and workflow to make the best call.
Frequently Asked Questions
+Which has better value?
iRobot Roomba Combo j9+ Auto-Fill Robot Vacuum and Mop excels if you value clean base auto-fill dock automates both dust emptying and water refilling. Roborock Q5 Pro+ Robot Vacuum and Mop is better if you prioritize impressive 5,500 pa suction power for its price tier. Pick based on your budget and daily use.
+Is this an independent review?
Yes. We use affiliate links for monetization, but recommendations are research-driven and unbiased.
+Do newer models exist?
Check release timelines from the manufacturers and compare pricing before you buy. We refresh this page when major updates land.
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