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iRobot Roomba Combo j9+ vs Shark PowerDetect UV Reveal (RV3020XE)
The Shark PowerDetect UV Reveal (RV3020XE) wins with a score of 8.4/10. Best for: Premium Shark loyalists who want every cleaning feature, including UV stain detect and 185°F mop wash.
iRobot Roomba Combo j9+
The premium Roomba with the best pet-waste avoidance in the industry, but its basic wipe-only mopping falls short of Roborock and Dreame flagships.
Read full review
Shark PowerDetect UV Reveal (RV3020XE)
Shark's most advanced robot vacuum and mop, with UV stain detection and ThermaCharged hot-water mop wash — but extremely high water usage means long drying times.
Score Comparison
Specifications
| iRobot Roomba Combo j9+ | Spec | Shark PowerDetect UV Reveal (RV3020XE) |
|---|---|---|
| $899 | Price | $1299 |
| 5500 | Suction (Pa) | 7000 |
| 4460 | Battery (mAh) | 5200 |
| 67.0 | Noise (dB) | 68.0 |
| — | Dustbin (ml) | — |
| — | Water Tank (ml) | — |
| — | Mop Lift (mm) | — |
| — | Height (mm) | — |
| — | Weight (kg) | — |
| vSLAM Camera | Navigation | LiDAR + 3D Light + NeuroNav AI |
| ✅ | Self-Empty | ❌ |
| ❌ | Self-Wash Mop | ❌ |
| ❌ | Self-Dry Mop | ❌ |
| ✅ | AI Obstacle | ❌ |
Pros & Cons
iRobot Roomba Combo j9+
Shark PowerDetect UV Reveal (RV3020XE)
- + Best obstacle avoidance ever on a Shark (20 of 24 objects avoided)
- + 91.5% pet hair pickup
- + ThermaCharged 185°F hot-water mop wash
- + 180-minute battery — covers ~2,930 sq ft per charge
- + UV stain detection finds invisible spills
- − Very high water usage — floors can take 30+ minutes to dry
- − Bulky 4.1" tall — won't fit under low furniture
- − App is buggy and slow
- − $1,299 puts it in flagship territory
The Verdict
The Shark PowerDetect UV Reveal (RV3020XE) is the better choice with an overall score of 8.4/10 — best for premium shark loyalists who want every cleaning feature, including uv stain detect and 185°f mop wash. The iRobot Roomba Combo j9+ is more affordable at $899 vs $1299.