Average score
P1
Product 1: iRobot Roomba Combo i5 Robot...
3.9
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.2
Accessories and Tools
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.1
Comes with the charging base, drip tray, combo mop bin, and a washable microfiber pad. Reviews note virtual wall beacons can be useful, but they are not always included in the box.
P2Product 2: Roomba Combo j9+ Robot Vacuum...
No score yetAesthetic design and finish
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.4
Several reviewers describe the robot and dock as sleek and good-looking, with a finish that stays presentable after weeks of use.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.3
Design is frequently praised: the dock’s wood-look top and furniture-like footprint blend into living spaces better than many rivals. A minority dislike the faux-wood finish or find the dock less attractive in person.
AI, Smart, App and Automation
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.0
The app supports scheduling, room targeting, cleaning history, and voice assistants in multiple reviews, with some automation options mentioned. Feature depth is still described as more basic than higher-end iRobot models (limited zone controls and fewer advanced settings).
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.5
App and automation are feature-rich: schedules, zones, room-specific routines, dirt-prioritization, and voice assistant support are widely praised. Common nitpicks include occasional connectivity hiccups, confusing menu choices, and missing real-time map progress in some experiences.
Airflow blowback
P1Product 1: iRobot Roomba Combo i5 Robot...
No score yet
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.1
Blowback and scattering are usually controlled, with some reviewers noting it avoids flinging small particles. However, the side brush can flick larger debris around, and a few tests report scattered grains on hard floors.
Area Rug Handling
P1
Product 1: iRobot Roomba Combo i5 Robot...
3.5
Vacuuming on rugs is generally described as solid, including tassel rugs, but the robot can mop rugs unless you remove them or avoid using mopping mode in mixed-floor areas.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.2
Rug handling is usually good, especially because the retracting mop prevents wet pads from dragging onto carpets. Still, the mop arm can occasionally catch on rug edges/corners, and very thick or tricky rugs may need keep-out or no-mop zoning.
Assembly and Setup
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.0
Setup is usually described as straightforward (unbox, place dock, app pairing/QR setup). A couple of reviewers note the onboarding can feel slow and that dock placement needs a clear approach path.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.7
Setup is typically quick and well-guided through the app, with packaging and quick-start materials helping. Initial mapping can take multiple runs, and a few users report early hiccups aligning the robot on the dock or connecting to Wi-Fi.
Automatic shutoff for obstructions
P1Product 1: iRobot Roomba Combo i5 Robot...
No score yet
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.5
The robot is described as responsive to obstructions, stopping or rerouting around people/pets and common objects. It’s not perfect in every edge case, but it tends to avoid creating bigger messes when something blocks its path.
Battery and Charging
P1Product 1: iRobot Roomba Combo i5 Robot...
No score yet
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.5
Battery performance is generally strong for large-area runs, often finishing typical floors without intervention and returning to recharge as needed. Charging can feel slow for some users, but recharge-and-resume behavior is reliable in most accounts.
Bin and Bag
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.0
The standard dust bin is easy to remove and empty, and a separate combo bin swaps in for mopping. Filters are replaceable, and at least one review mentions an extra filter included.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.6
The bagged dock system is praised for cleanliness and low-touch disposal, typically lasting weeks to around two months depending on shedding and home size. Internal bin is small but rarely needs manual emptying thanks to frequent auto-empty cycles.
Build quality and durability
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.6
Build quality impressions are strong, including comments about minimal scuffing after a month and solid fit/feel of the bin and modules.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.0
Build quality is generally described as solid with removable, serviceable parts. Some mention cosmetic scuffing during early mapping runs from gentle bumping, but no widespread structural issues are reported in these reviews.
Carpet — High-Pile Pickup
P1Product 1: iRobot Roomba Combo i5 Robot...
No score yet
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
3.3
High-pile/shag carpets are a weak spot for the vacuum-only model in one review, with quick tangling/stalling in long fibers. For homes with lots of high-pile, expectations should be tempered or zones configured to avoid problem rugs.
Carpet — Low-Pile Pickup
P1Product 1: iRobot Roomba Combo i5 Robot...
No score yet
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.3
Low-pile carpet pickup is generally very good, handling daily hair and debris well. Some users still notice occasional leftover strands on rugs and may choose extra passes for a more thorough finish.
Carpet — Medium-Pile Pickup
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.3
Carpet performance is repeatedly described as strong for day-to-day upkeep, including visible straight-line cleaning patterns and effective pickup. Reviews frame it more as maintenance than heavy-duty deep extraction.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
3.6
No summary yet.
Child lock
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.6
Child lock is called out as a useful feature to prevent accidental button presses and allow app/voice-only control.
P2Product 2: Roomba Combo j9+ Robot Vacuum...
No score yetComparative performance
P1Product 1: iRobot Roomba Combo i5 Robot...
No score yet
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.3
Comparisons usually place the j9+/Combo j9+ among the best for vacuuming and obstacle avoidance, with advantages over older Roombas. Several reviewers note that top hybrid competitors can outperform it in deep scrubbing or self-maintenance features.
Controls and UI
P1
Product 1: iRobot Roomba Combo i5 Robot...
3.7
On-robot controls are simple (clean/spot/home), with most features in the app. Some reviews mention limited tuning (for example, cleaning passes instead of granular suction control) and one notes missing battery percentage in the app.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.3
Controls are straightforward: the app handles most functions, with a simple on-robot button for start/pause and basic status lights. Some reviewers wish for richer in-app live tracking and clearer guidance in the manual/owner docs.
Cord management
P1
Product 1: iRobot Roomba Combo i5 Robot...
2.5
One review criticizes dock cable routing because the cord exits from a single side and there is no easy built-in way to tidy the cable.
P2Product 2: Roomba Combo j9+ Robot Vacuum...
No score yetCorner Cleaning (Robot)
P1Product 1: iRobot Roomba Combo i5 Robot...
No score yet
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
3.1
Corner cleaning is a known limitation: as a round robot with a single side brush, it can miss tight corners or smear debris in corner flour-style tests. Edges and open perimeters are better than sharp corners.
Crevice / Groove Pickup (Hard Floors)
P1Product 1: iRobot Roomba Combo i5 Robot...
No score yet
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.7
Crevice and groove pickup is repeatedly called out as improved versus older Roombas, aided by stronger suction and the dual rubber rollers. It performs well on seams and along transitions in testing.
Docking and Auto-Empty Reliability (Robot)
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.2
Docking behavior is usually reported as reliable, including returning home and resuming after recharging. Auto-emptying is only available with the Plus base, not the standard dock.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.6
Auto-empty docking is consistently reliable, with the robot returning to empty and resume without much user intervention. Bagged disposal keeps the process clean, and many users report weeks of hands-free vacuuming before needing to swap the bag.
Dock noise
P1Product 1: iRobot Roomba Combo i5 Robot...
No score yet
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
3.6
Dock emptying volume is inconsistent across reviewers: some describe it as very loud, while others find it comparatively quieter and less high-pitched than older Roombas. Either way, the empty cycle is brief and can be scheduled around quiet hours.
Dried-On Stain Removal
P1Product 1: iRobot Roomba Combo i5 Robot...
No score yet
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.2
For dried-on stains, SmartScrub/back-and-forth motions improve results and can remove many common spots like dried juice, litter prints, and tracked-in dirt. Very sticky food or heavy buildup may still require manual spot work or a pad change afterward.
Ease of use
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.1
Day-to-day operation is generally seen as easy thanks to straightforward app controls, quick bin removal, and washable pads. The biggest friction points are swapping bins/pads and pre-clearing clutter due to limited avoidance.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.6
Day-to-day use is strongly praised once maps are set: scheduling, recharge-and-resume, hands-free emptying, and reliable obstacle avoidance reduce babysitting. Early learning runs can require a bit of attention, but it becomes largely set-and-forget.
Edge and Baseboard Cleaning (Hard Floors)
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.3
Edge coverage is frequently described as thorough, including tracing along walls and navigating around chair legs during systematic cleaning passes.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
3.5
Edge cleaning is good for a round robot but not flawless: it follows baseboards well in open areas yet can leave debris along edges and misses some grime in tight perimeter spots, especially during mopping.
Emptying and Mess Control
P1
Product 1: iRobot Roomba Combo i5 Robot...
3.9
The standard version requires manual emptying, but reviewers often describe it as quick and easy. For a more hands-off experience, several recommend the Plus auto-empty setup.
P2Product 2: Roomba Combo j9+ Robot Vacuum...
No score yetFilter-change indicator
P1Product 1: iRobot Roomba Combo i5 Robot...
No score yet
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.6
App-based maintenance reminders for filters help keep performance consistent, with clear prompts on when to replace. Filters still require planned replenishment since they aren’t washable.
Filtration / Dust Containment
P1Product 1: iRobot Roomba Combo i5 Robot...
No score yet
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.5
Dust containment is generally solid, helped by a sealed, bagged dock and replaceable filters. Filters are not washable and need periodic replacement, but most reviewers report clean handling with minimal dust mess.
Hair Pickup — Carpets
P1Product 1: iRobot Roomba Combo i5 Robot...
No score yet
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.2
Carpet hair pickup is strong in many reports, though a few users still see stray hairs on low-pile rugs and may prefer an extra pass for perfection. Overall it’s above average for daily maintenance.
Hair Pickup — Hard Floors
P1Product 1: iRobot Roomba Combo i5 Robot...
No score yet
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.5
Hard-floor hair pickup is a consistent strength, especially for pets and long human hair. A few mention the occasional hair clump, but overall results are strong with minimal leftover hairballs.
Hair‑Wrap / Tangle Resistance
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.5
Dual rubber rollers are repeatedly praised for resisting tangles and making hair removal easy, though long strands can still occasionally wrap and need checking.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.3
Dual rubber rollers reduce tangling compared with bristle rollers, and several reviewers report noticeably less hair wrap. Some periodic hair removal is still needed, especially in heavy-shedding homes.
Hard Floor — Fine Dust Pickup
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.5
Lab-style commentary and hands-on reviews indicate strong bare-floor pickup, including fine dust, helped by consistent pathing and the rubber rollers.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.6
Fine dust pickup on hard floors is consistently reported as excellent, including flour/sand-style tests in some reviews. Multiple passes can further improve results, especially on carpet fine-particle stress tests.
Hard Floor — Large Debris Intake
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.3
Reviews describe effective pickup of larger debris such as crumbs and mixed household messes, including positive spot-cleaning results.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.2
Large debris pickup is strong overall, though a few note the side brush can flick bigger bits around before they’re captured. In most homes it handles cereal, kibble, and tracked-in debris well, with occasional stragglers in corners.
Innovation compared to competitors
P1Product 1: iRobot Roomba Combo i5 Robot...
No score yet
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.6
The combo design is seen as meaningfully innovative: the fully retracting mop arm reduces carpet-wetting risk, and the auto-fill dock adds true hands-free mopping convenience. It’s less novel on pad washing, where competitors often do more.
Low-profile design
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.5
Its slim height is repeatedly cited as a benefit for reaching under furniture compared with taller lidar-turret designs.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.3
The low-profile body helps it fit under more furniture than bulkier rivals, improving coverage in real homes. Dock size is still substantial, but the robot’s height is generally a plus.
Maintenance requirements
P1
Product 1: iRobot Roomba Combo i5 Robot...
3.5
Maintenance commonly includes filter cleaning/replacement, washing the mop pad, and occasional sensor/roller checks. Most reviewers consider upkeep manageable, though one mentions unclear sensor-clean prompts.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
3.6
Maintenance is moderate: the bagged dock reduces daily hassle, but mop pads still require manual washing/swapping and parts like filters/brushes need periodic attention. Several reviewers call the pad-care step the main ongoing chore.
Map and Path Efficiency (Robot Vacuums)
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.3
Mapping and pathing are standout strengths: after an initial run, it typically cleans in orderly rows, supports room-by-room jobs, and finishes faster than random-path Roombas according to comparative commentary.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.2
Mapping and pathing are generally systematic and thorough, with efficient row cleaning once the home is learned. Initial mapping is sometimes slow or clumsy compared to LiDAR bots, and a few tests note slightly longer overall run times than some competitors.
Mop lifting system
P1
Product 1: iRobot Roomba Combo i5 Robot...
2.1
The mop pad does not automatically retract or lift, so users frequently swap bins and remove rugs or avoid mopping in mixed-surface areas.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.7
The retracting mop mechanism is a defining strength, reliably keeping carpets dry by fully lifting/stowing the pad on top of the robot. It enables true vacuum-and-mop-in-one-run behavior without worrying about damp rugs.
Mopping performance
P1
Product 1: iRobot Roomba Combo i5 Robot...
3.3
Mopping is mostly described as light maintenance similar to a damp pad/Swiffer, not a deep scrub, and it may leave streaks. It is still viewed as useful for frequent quick refreshes of hard floors.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.2
Mopping is generally effective for routine upkeep, with smart back-and-forth scrubbing helping on stains. It can struggle with sticky messes and heavy grime compared with spinning/vibrating pad competitors, and edges/corners remain challenging.
Noise level
P1
Product 1: iRobot Roomba Combo i5 Robot...
3.3
Noise feedback is mixed: some commentary places it around typical robovac loudness, while multiple hands-on reviewers call it very loud on hard floors (roller noise and bumping), leading many to run it when away.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
3.8
Noise is a mixed bag: in-room vacuuming is often described as noticeable but tolerable, while auto-emptying can be loud for some. A few reviewers found the empty cycle quieter than other robots, but others measured/mentioned it as disruptive.
Obstacle Avoidance (Robot)
P1
Product 1: iRobot Roomba Combo i5 Robot...
2.8
Obstacle avoidance is repeatedly described as basic due to no front-facing camera/AI in these reviews, often involving bumper contact. Several reviews also note missing software no-go zones, so clutter and cords still need to be managed.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.6
Obstacle avoidance is a defining strength: the camera-based system reliably dodges cords, toys, shoes, and pet waste in most tests, and often outperforms rival bots in clutter. It’s not flawless, but it dramatically reduces stuck events and accidental messes versus non-vision robots.
Ongoing ownership costs (bags, filters, batteries)
P1Product 1: iRobot Roomba Combo i5 Robot...
No score yet
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
3.7
Ongoing costs are a real factor: bags, filters, brushes, and occasional pads add recurring spend. The upside is the bagged system is clean and parts are widely available, but budget-minded buyers should plan for replenishment.
Overall opinion
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.3
Overall sentiment is positive, highlighting dependable navigation and cleaning with a basic mop add-on. Recurring critiques focus on limited avoidance/no-go features and the simple, pad-based mopping.
P2Product 2: Roomba Combo j9+ Robot Vacuum...
No score yetPet-Ready Features
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.0
Generally effective for pet households due to strong pet-hair pickup and the rubber roller design, but it lacks advanced pet accident detection and higher-end avoidance found on camera-based models.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.7
Pet households benefit from strong poop/pet-waste avoidance, plus reliable hair pickup on hard floors and rugs. Multiple reviews highlight the pet waste guarantee as a key confidence booster in cluttered homes.
Price and Value
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.2
Often positioned as a strong value within iRobot's lineup, especially on sale and versus cheaper random-navigation models. Some reviewers still suggest paying more for the Plus auto-empty base or stepping up to a J-series for additional features.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
3.5
Value is polarizing: most agree performance and automation are premium, but the MSRP feels steep and many recommend waiting for sales. Those upgrading from older Roombas or prioritizing obstacle avoidance are more likely to feel it’s worth the spend.
Privacy controls
P1Product 1: iRobot Roomba Combo i5 Robot...
No score yet
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.1
Privacy controls are a recurring discussion point because the robot uses a camera for navigation and obstacle recognition. Reviews note opt-in options and iRobot’s stated controls/encryption, but some users may still prefer a non-camera approach depending on comfort.
Runtime
P1
Product 1: iRobot Roomba Combo i5 Robot...
3.4
Reported runtimes often land around 70 to 90 minutes per charge, with noticeably faster drain when running extra passes. Reviews note it can dock, recharge, and resume for larger spaces.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.3
Runtime is generally strong for a premium robot, commonly around two hours in everyday use, with recharge-and-resume covering larger spaces. Expect longer total job times when both vacuuming and mopping, or when using max power/two-pass settings.
Software-update support / feature longevity
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.1
One reviewer emphasizes iRobot's strategy of improving capability via ongoing software updates. Concrete examples of major new features arriving via updates are not consistently documented across the reviews.
P2Product 2: Roomba Combo j9+ Robot Vacuum...
No score yetSolution / Liquid system
P1
Product 1: iRobot Roomba Combo i5 Robot...
3.8
Reviews mention mopping with water or approved cleaning solutions, and one review notes that using unauthorized solutions may risk warranty coverage. Owners manually fill and empty the combo bin.
P2Product 2: Roomba Combo j9+ Robot Vacuum...
No score yetStreaking / Residue
P1
Product 1: iRobot Roomba Combo i5 Robot...
2.9
At least one hands-on review reports streaking during mopping, suggesting results depend on pad wetness, floor type, and solution choice.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.0
Residue and streaking are usually minor, but some reviewers notice occasional streaks or sticky patches after messy tests like jam/jelly. Regular pad washing and appropriate water/solution settings help reduce visible streaking.
Stuck resistance
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.0
Several reviews report it avoids common snag points like rug tassels, but users still recommend pre-picking up cords and clutter because object detection is limited compared with camera-based models.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
3.9
Stuck events are infrequent once maps and keep-out zones are tuned, but the robot can still snag on bath mats, high-pile rugs, tight gaps, or situations where the mop arm can’t retract cleanly. Overall, it improves after the first few runs.
Suction and Airflow
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.3
Even with reported airflow/CFM metrics below some competitors in one review, reviewers and test commentary describe strong real-world pickup helped by the dual rubber rollers and multi-stage cleaning system.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.5
Across reviews, suction is a standout: strong pickup on hard floors and carpet, with smart boost behavior and fewer repeat passes than older Roombas. A few testers still rate raw power a step behind the most aggressive premium competitors, but most call it top-tier for daily debris.
Suitability for heavy-duty use
P1
Product 1: iRobot Roomba Combo i5 Robot...
2.8
Multiple reviewers frame it as a maintenance cleaner rather than a solution for heavy messes or deep mopping, especially compared with higher-end systems.
P2Product 2: Roomba Combo j9+ Robot Vacuum...
No score yetSupport and Reliability
P1Product 1: iRobot Roomba Combo i5 Robot...
No score yet
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
3.6
Reliability feedback is mostly positive over weeks of use, but a few reviews mention glitches (unfinished jobs, mode misbehavior) and at least one report of a defective unit that required replacement. Keeping receipts for early runs is commonly advised.
Under-Furniture Pickup
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.6
Multiple reviews highlight its ability to clean under beds and other low-clearance furniture where manual vacuums struggle.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.4
Under-furniture reach is good thanks to the low profile and persistent navigation, with multiple reviewers noting it cleans under beds, desks, and tables. Very low clearances still depend on your furniture height.
Versatility
P1
Product 1: iRobot Roomba Combo i5 Robot...
4.2
Works as a vacuum-only robot or as a vacuum+mop once you swap in the combo bin and attach the pad, making it flexible for maintenance cleaning across surfaces.
P2Product 2: Roomba Combo j9+ Robot Vacuum...
No score yetWater tank
P1
Product 1: iRobot Roomba Combo i5 Robot...
3.4
The combo bin water capacity is described as modest (one measured review cites a low-200 ml range), which suits light maintenance mopping but may require attention for larger areas.
P2
Product 2: Roomba Combo j9+ Robot Vacuum...
4.5
Auto-fill dock is a major convenience, with many citing weeks of mopping before refills in average use. A few find the reservoir awkward to handle/refill, but the concept and day-to-day automation score highly.