#2 Overall robot vacuum + mop Updated 1 May 2026
iRobot Roomba Combo j9+
Best auto-empty vacuum + mop combo
THE undig SCORE — 4 SOURCES, UNTANGLED
88
Out of 100
Key characteristics
Suction
Up to 8000 PaMop
Sonic / spinningRuntime
~3 hrsBattery
5200 mAhAuto-empty
YesHighlights
- ✓ Retractable mop — lifts off carpet automatically
- ✓ Clean Base self-empties into sealed bag
- ✓ PrecisionVision obstacle avoidance
- ✓ iRobot OS with room-specific scheduling
Our take
The most reliable vacuum-mop combo — iRobot's obstacle avoidance is still the best at navigating cluttered rooms with pets and kids.
Pros & Cons
Pros
- + Retractable mop is genuinely clever — no wet carpets
- + Self-emptying base keeps maintenance minimal
- + Excellent edge and corner cleaning
- + Solid multi-floor mapping
Cons
- − Suction below Roborock and Dreame rivals
- − Expensive for what it offers vs. Chinese brands
- − Subscription for some advanced AI features
Review sources
W
How we score Wirecutter Lab · Tier A
Runner-Up
85
T Tom's Guide Lab · Tier A
89
T T3 Expert · Tier B
87
R Reddit Community · Tier C
83
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