Quick Answer: The Roomba j7+ is a four-year-old design that still earns its keep for one reason: camera-based PrecisionVision Navigation makes it, per Vacuum Wars’ extensive testing, close to a guaranteed way to avoid running over pet waste — the scenario most dog owners fear most from a robot vacuum. Its suction, by contrast, is genuinely weak: Vacuum Wars measured “very low suction and airflow numbers relative to other robot vacuums” it’s tested, and iRobot’s own materials put the newer j9+ at roughly double the j7+‘s power. List price is $799.99 direct from iRobot, though it commonly sells closer to $499–$599 on Amazon. Buy it specifically for pet-waste avoidance; skip it if raw cleaning power or mopping matter more to you.
The j7+ launched back in 2022, and iRobot has released the j9+, the Combo 10 Max, and the LiDAR-based Max 705 since. So why does the j7+ still show up as a recommended pick across this site’s Roomba coverage? Because it built its reputation on a single trick nothing else in its price range has fully matched: camera-based obstacle avoidance that actually works on the mess that scares people away from robot vacuums in the first place.
Roomba j7+ by the numbers
- $799.99 list price direct from iRobot, though it commonly sells for $499–$599 on Amazon — a real-world discount of 25–35% off list.
- “Very low suction and airflow numbers relative to other robot vacuums,” per Vacuum Wars’ hands-on testing — the j7+‘s single biggest weakness on paper.
- Roughly 2x less suction than the newer Roomba j9+, per iRobot’s own comparison materials.
- 75-minute battery runtime, essentially unchanged from the prior-generation i7 — per Vacuum Wars, “battery life hasn’t significantly improved.”
- Up to 60 days between emptying thanks to the Clean Base self-empty dock, per iRobot.
The one feature that still sells it: obstacle avoidance
Start with what the j7+ actually does better than almost everything else on this site. Its PrecisionVision Navigation system uses an onboard camera — not just infrared or LiDAR — to recognize specific objects on the floor: cords, socks, shoes, and, critically, pet waste. iRobot backs the j-series with what it calls its “Pet Owner Official Promise,” and Vacuum Wars’ reviewers, after extensive real-world testing, described pet-waste avoidance as “nearly guaranteed.”
That’s a narrower claim than “great obstacle avoidance” in general, and it’s worth being precise about it: the j7+ isn’t the best at mapping efficiency or at climbing thresholds. It’s specifically excellent at the one failure mode that turns a robot vacuum from a convenience into a nightmare — smearing an accident across a rug while nobody’s home. For pet owners who’ve been burned by a cheaper robot doing exactly that, this is the feature that justifies the price.
iRobot Roomba j7+
- Camera-based PrecisionVision Navigation — Vacuum Wars called pet-waste avoidance "nearly guaranteed" after extensive testing.
- Clean Base self-empty dock holds up to 60 days of debris, per iRobot.
- Vacuum-only: no mop. The separate Combo j7+ adds a retractable mop pad.
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The weak spot: suction that trails the field
Here’s the honest trade-off. iRobot has never published an official Pascal (Pa) suction rating for the j7+ — its marketing instead compares it to the decade-old Roomba 600 series (“10x the Power-Lifting Suction”), which tells you nothing about where it sits against current rivals. Independent testing fills the gap, and the picture isn’t flattering: Vacuum Wars measured “very low suction and airflow numbers relative to other robot vacuums” in its lineup, and iRobot’s own comparison chart for the newer j9+ claims roughly double the j7+‘s suction power.
The j7+ partially compensates with hardware, not raw power — a dual multi-surface rubber brush design that Vacuum Wars found delivers “above-average scores” on actual pickup despite the weak numbers. Rubber brushes also resist hair tangles better than bristle brushes, though testers still flagged hair wrapping around the brushroll specifically during longer-hair testing. If you have long-haired pets, budget for more frequent brush cleaning than the spec sheet suggests.
| Spec | Roomba j7+ | Roomba j9+ |
|---|---|---|
| Suction | Below average (unrated by iRobot) | ~2x the j7+, per iRobot |
| Navigation | PrecisionVision (camera) | PrecisionVision (camera) |
| Pet-waste avoidance | Yes — Pet Owner Official Promise | Yes — Pet Owner Official Promise |
| Smart re-cleaning | No | Dirt Detective + Smart Scrubbing |
| Self-empty dock | Clean Base, up to 60 days | Clean Base, up to 60 days |
| Battery runtime | ~75 minutes | ~75 minutes |
| List price | $799.99 | Higher — check current price |
A brand that changed hands this year
Worth knowing before buying a four-year-old model: iRobot filed a prepackaged Chapter 11 bankruptcy in December 2025, after its 2022 acquisition deal with Amazon collapsed under EU regulatory scrutiny and years of declining revenue followed. The company completed a court-supervised sale to Picea, its own secured lender and primary contract manufacturer, on January 23, 2026. iRobot has stated its app, software updates, warranties, and customer support all continue operating as usual through the change, and it remains headquartered in Bedford, Massachusetts. It shouldn’t change how a j7+ works on your floors — but it’s the kind of context worth having before you invest in an aging flagship from a brand that just changed ownership.
Who should buy the Roomba j7+
- Buy it if avoiding pet waste is your top concern — this is the feature it was built around, and independent testing backs the claim.
- Buy it if you can find it at or near its typical $499–$599 street price rather than the $799.99 list.
- Skip it if raw suction and deep-carpet pickup matter more than obstacle avoidance — the newer j9+ or a rival like the Roborock Q Revo will out-clean it.
- Skip it if you need mopping — the plain j7+ has none; buy the separate Combo j7+ instead.
- Skip it if you have long-haired pets and want to minimize brush maintenance — hair wrapping was a recurring complaint in testing.
How it compares
Against the newer Roomba Max 705, which traded the j7+‘s camera navigation for LiDAR and stronger suction but inherited disappointing pet-hair pickup of its own, the j7+ remains the safer pick specifically for pet-waste avoidance. Against value rivals like the Roborock Q Revo (see our Roomba vs Roborock comparison), the j7+ trades suction and mopping for iRobot’s still-unmatched camera-based obstacle recognition. If obstacle avoidance isn’t your priority, our best robot vacuum ranking and best robot vacuum for pet hair guide both rank picks with stronger raw suction for similar money.
The bottom line
The Roomba j7+ is proof that a single, well-executed feature can keep an aging robot relevant. Its suction is genuinely below the field, unrated by iRobot for a reason, and its 75-minute battery hasn’t moved since the prior generation. But its camera-based PrecisionVision Navigation still delivers the one thing most pet owners actually lose sleep over — not tracking an accident across the carpet — better than almost anything else on the market. At its typical $499–$599 street price, buy it for that reason alone; if pet-waste avoidance isn’t a priority, the rest of this site’s best Roomba picks will out-clean it for the same money.