Quick Answer: The Roomba Combo j9+ is iRobot’s current vacuum-and-mop flagship — rated at roughly double the suction of the older i-Series robots and the only Roomba with SmartScrub pressure-scrubbing for stuck-on messes. It’s also this site’s own “Best Vacuum-and-Mop Value” pick in our best Roomba roundup. iRobot lists it at $1,399.99, but BGR tracked a recurring Amazon sale at $999 and TechRadar reported it as low as $799 during Prime Day and Black Friday events. The catch, confirmed by both outlets’ hands-on testing: you still wash the mop pad by hand, since the Clean Base dock has no wash-and-dry cycle for it.
It’s been the “value” pick in our own best-Roomba guide, name-dropped across a dozen of our roundups, and never gotten its own dedicated review — until now. Here’s what BGR and TechRadar’s hands-on testing actually found on the Roomba Combo j9+.
Roomba Combo j9+ by the numbers
- $1,399.99 list, $799-$999 real-world — BGR tracked a recurring Amazon sale at $999 (within $15 of the all-time low it had seen), and TechRadar reported a Prime Day price cut to $799. Both outlets treat the list price as a ceiling rarely paid in practice.
- “Strongest suction of any Roomba, ever,” per BGR — iRobot doesn’t publish a Pa figure for this model, but rates it at roughly double the suction of its older i-Series robots, and BGR’s hands-on testing confirmed it out-suctions even the previous flagship s9+.
- No wash-and-dry mop pad, confirmed hands-on by two outlets — BGR and TechRadar both found the pad has to be removed and washed by hand after mopping; the Clean Base dock auto-empties debris for 60 days and auto-refills the water tank for 30 days, but doesn’t clean the pad itself.
- SmartScrub pressure-scrubbing — per iRobot, applies consistent downward pressure with roughly double the scrubbing passes of a standard run on stuck-on messes, with the pad retracting fully on carpet so it never drags water onto rugs.
- Regular rollers, not the s9+‘s extra-wide ones — BGR’s review notes this as a real trade-off: despite stronger suction, the j9+ uses standard-width rollers, while the older flagship s9+ used wider rollers that picked up more debris per pass.
The honesty check: strongest suction, but still a hand-wash mop
Across the dozen pages on this site that mention the Combo j9+, it’s consistently framed as the “value” combo pick below the Combo 10 Max. That framing holds up — but it comes with a specific, testable gap that’s easy to miss in a one-line roundup mention: per both BGR’s and TechRadar’s hands-on reviews, the mop pad gets no self-cleaning at all. Rivals from Roborock and Dreame wash and dry their mop pads automatically inside the dock; the Combo j9+‘s dock only handles the vacuum bin and the water tank. If you mop daily, that’s a pad you’re pulling off and rinsing by hand on a regular basis — not the fully hands-off experience the rest of the feature set implies.
Combo j9+ vs. the rest of iRobot’s Combo lineup
| Model | Real-world price | Mop mechanism | Self-wash mop pad | Suction vs. j7+ |
|---|---|---|---|---|
| Roomba Combo j5+ | ~$499 | Manual bin swap | No | Lower |
| Roomba Combo j7+ | ~$799.95 | Auto-raising pad | No | Baseline |
| Roomba Combo j9+ | ~$799-$999 | Auto-raising pad + SmartScrub | No | ~2x |
| Roomba Combo 10 Max | ~$764-$1,019 | Auto-raising pad + PowerSpin roller | Yes | Highest |
If a self-washing mop pad is non-negotiable, the Combo 10 Max is the only model in iRobot’s own lineup that has one — see our Roomba Combo lineup guide for the full breakdown. The Combo j9+‘s case is suction and SmartScrub’s extra scrubbing pressure for meaningfully less money.
iRobot Roomba Combo j9+
- Roughly double the suction of iRobot's older i-Series robots, per iRobot — BGR's hands-on testing confirmed it out-suctions the prior flagship s9+.
- SmartScrub pressure-scrubbing for stuck-on messes, with the mop pad retracting fully on carpet.
- No self-washing mop pad — confirmed by both BGR and TechRadar, you rinse it by hand after mopping runs.
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Who should buy the Roomba Combo j9+
- Buy it if you want iRobot’s strongest suction in a vacuum-and-mop model and don’t mind a mop pad you wash by hand.
- Buy it if you’re choosing between this and the j7+ and can catch it at its common $799-$999 real-world price — the suction and SmartScrub upgrade is meaningful for that gap.
- Buy it if your floors are mostly hard surfaces with occasional stuck-on messes (tracked-in mud, dried spills) where SmartScrub’s extra scrubbing pressure actually gets used.
- Skip it if a self-washing mop pad matters more than price — step up to the Combo 10 Max, the only model in iRobot’s own lineup with a wash-and-dry dock.
- Skip it if you only need vacuum-only and don’t want to pay for mopping hardware at all — our dedicated Roomba j9+ review covers the non-Combo version.
How it compares
See our best Roomba roundup for how the Combo j9+ stacks up as this site’s own value pick, our Roomba Combo lineup guide for where it sits against the j5+, j7+, and Combo 10 Max, and our Roomba j9+ review for the vacuum-only sibling that shares its suction and camera but skips mopping entirely.
The bottom line
The Roomba Combo j9+ earns its spot as this site’s “Best Vacuum-and-Mop Value” pick: roughly double the suction of iRobot’s older robots, SmartScrub’s extra scrubbing pressure, and real-world pricing of $799-$999 well below its $1,399.99 list. The honesty check that matters: per BGR and TechRadar’s own testing, you’re still washing that mop pad by hand — if that’s a dealbreaker, the Combo 10 Max is the one iRobot model built to handle it for you.