Compare Roomba Combo j7+ Robot Vacuum & Mop vs Roborock Qrevo Curv S5X Robot Vacuum and Mop

P1 Roomba Combo j7+ Robot Vacuum & Mop
P2 Roborock Qrevo Curv S5X Robot Vacuum and Mop

Comparison Takeaways

Roomba Combo j7+ Robot Vacuum & Mop

Where It Has the Edge

  • Accessories and Tools is 4.4 vs 2.8. Included accessories commonly noted: extra filters/side brushes, mop pads, and cleaning solution samples; overall kit is seen as...
  • Obstacle Avoidance (Robot) is 4.4 vs 3.5. Obstacle avoidance is a core strength: consistently strong on cords and common clutter, with pet-waste avoidance highlighted; not...
  • Mop lifting system is 4.8 vs 4.3. Retractable mop lifting system is repeatedly cited as best-in-class for protecting rugs: the pad fully stows on top...
  • Carpet — Low-Pile Pickup is 4.3 vs 3.8. Low-pile carpet pickup is typically strong for a Roomba, though a few tests note small misses with certain...

Roborock Qrevo Curv S5X Robot Vacuum and Mop

Where It Has the Edge

  • Privacy controls is 4.7 vs 3.3. A core differentiator highlighted in multiple reviews is the absence of a front camera, which reduces privacy concerns...
  • Hair‑Wrap / Tangle Resistance is 4.7 vs 3.3. Anti-tangle performance is a major strength across reviews, with split/DuoDivide-style rollers and zero-tangle brush design repeatedly credited for...
  • Water tank is 4.4 vs 3.1. The clean/dirty water tank system is frequently described as convenient, with reviewers citing generous capacities (for example, 4...
  • Corner Cleaning (Robot) is 4.4 vs 3.2. Corner performance is frequently highlighted as strong due to the FlexiArm side brush and extendable mop behaviors. Some...
Average score
Product 1: Roomba Combo j7+ Robot Vacuum...
3.8
Product 2: Roborock Qrevo Curv S5X Robot...
4.2
Accessories and Tools
Product 1: Roomba Combo j7+ Robot Vacuum...
4.4

Included accessories commonly noted: extra filters/side brushes, mop pads, and cleaning solution samples; overall kit is seen as complete for getting started.

Product 2: Roborock Qrevo Curv S5X Robot...
2.8

At least one detailed review calls out a sparse accessory bundle, with limited spares included by default and some extras (like an additional main brush) varying by market. Plan to buy consumables and replacement parts earlier than you might expect for a premium-priced robot.

Adaptive chassis lift
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
3.1

Multiple reviewers emphasize that the S5X does not have the higher-end chassis-lift system found on pricier Curv variants. It can still handle small thresholds (commonly described around 2 cm or roughly 3/4 inch), but may struggle on taller transitions or inconsistent thresholds.

Aesthetic design and finish
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
4.5

Multiple reviews praise the Curv styling, describing a clean, glossy, rounded look that some compare to a Stormtrooper aesthetic. The S5X is commonly noted as white-only, and the dock design is appreciated for looking tidy when the robot is docked.

AI, Smart, App and Automation
Product 1: Roomba Combo j7+ Robot Vacuum...
4.3

Strong smart feature set: scheduling, room/zone routines, recommendations, and learning-based adjustments are frequently praised; some reviewers still want finer manual controls (for example, suction) or better job-queue flexibility, and a few note occasional app quirks/crashes.

Product 2: Roborock Qrevo Curv S5X Robot...
4.5

The Roborock app is repeatedly called excellent, with deep customization, schedules, routines, water-flow control, and feature toggles like remopping logic and Do Not Disturb behavior. Voice-assistant integration is supported, but the S5X lacks the built-in assistant found on some higher-end models.

Area Rug Handling
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
3.0

Area-rug handling is mixed: low-pile rugs are manageable, but small or lightweight mats can cause the robot to get stuck or need rescue. Reviewers recommend removing problematic mats or adjusting cleaning zones to avoid frequent interruptions.

Assembly and Setup
Product 1: Roomba Combo j7+ Robot Vacuum...
4.4

Setup is usually described as straightforward with guided app onboarding and mapping runs; mapping can take more than one pass and may be slower than LiDAR-based bots in initial setup.

Product 2: Roborock Qrevo Curv S5X Robot...
4.5

Setup is described as straightforward: QR-based onboarding, Wi-Fi connection, and initial mapping are generally easy to complete. Reviewers recommend spending time customizing maps and routines, while noting some optional smart-home integrations may take extra steps compared to basic setup.

Battery and Charging
Product 1: Roomba Combo j7+ Robot Vacuum...
3.4

Battery feedback is mixed: some tests report long runtimes (especially in vacuum-only mode), while others describe below-average endurance for a premium bot; recharge-and-resume helps mitigate this.

Product 2: Roborock Qrevo Curv S5X Robot...
4.2

Battery and charging are discussed positively, including fast-charging support via the dock. While detailed runtime numbers vary by settings and home size, reviews present the system as suitable for larger apartments and routine daily cleaning with dock-based recharging.

Bin and Bag
Product 1: Roomba Combo j7+ Robot Vacuum...
3.2

Bagged dock system is viewed as clean and allergy-friendly, with spare-bag storage noted; onboard bin/tank combo is relatively small, contributing to more frequent intervention for mopping.

Product 2: Roborock Qrevo Curv S5X Robot...
4.3

The dock’s bagged auto-empty system is repeatedly highlighted for convenience, with claims/estimates around a multi-week dust-bag life (often referenced as up to about seven weeks). Bags are easy to swap, but the included spares are limited, so ongoing refills are expected.

Build quality and durability
Product 1: Roomba Combo j7+ Robot Vacuum...
4.4

Build quality is commonly described as sturdy and well-finished, with thoughtful design touches; long-term durability perceptions vary mostly with software/navigation reliability rather than physical wear.

Product 2: Roborock Qrevo Curv S5X Robot...
No score yet
Carpet — High-Pile Pickup
Product 1: Roomba Combo j7+ Robot Vacuum...
4.2

High-pile carpet and pet-hair pickup are frequently rated very good to excellent, though ultra-plush rugs and embedded debris may still benefit from multiple passes.

Product 2: Roborock Qrevo Curv S5X Robot...
No score yet
Carpet — Low-Pile Pickup
Product 1: Roomba Combo j7+ Robot Vacuum...
4.3

Low-pile carpet pickup is typically strong for a Roomba, though a few tests note small misses with certain fine debris and occasional need for extra passes.

Product 2: Roborock Qrevo Curv S5X Robot...
3.8

Low-pile rugs and carpets are workable but not the robot’s strongest area, with reviewers noting that thorough carpet cleaning may require multiple passes and/or higher suction. Several reviews explicitly position the S5X as best for mostly hard-floor homes rather than carpet-dominant layouts.

Clogging and debris prevention
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
4.6

No summary yet.

Controls and UI
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
4.3

Controls are centered on the Roborock app, with reviewers highlighting live map views, room-by-room customization, water-flow levels, and the ability to add a targeted cleanup area. Some note that smart-speaker/voice integrations can be more complicated than basic in-app control, and model naming can be confusing.

Corner Cleaning (Robot)
Product 1: Roomba Combo j7+ Robot Vacuum...
3.2

Corner cleaning is adequate but not class-leading; multiple reviews mention missed debris in tight corners or along awkward nooks.

Product 2: Roborock Qrevo Curv S5X Robot...
4.4

Corner performance is frequently highlighted as strong due to the FlexiArm side brush and extendable mop behaviors. Some video testing shows occasional corner misses on a first attempt, but targeted area cleaning or a second pass typically corrects this.

Crevice / Groove Pickup (Hard Floors)
Product 1: Roomba Combo j7+ Robot Vacuum...
3.4

Crevice and edge-line pickup is mixed: capable overall, but some tests note weaker crevice performance versus higher-suction rivals and occasional residue along rug edges.

Product 2: Roborock Qrevo Curv S5X Robot...
4.1

Crevice and edge reach are a highlight due to the FlexiArm side brush and extendable mop behavior, but reviews still mention that deep grooves or tight crevices can retain a small amount of debris. Some caution that enabling aggressive crevice-extension features can increase cable snagging in cord-heavy zones.

Dirty water sensor
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
4.7

A standout feature in the video reviews is the dock’s dirt-detection logic that can trigger a remopping event after the robot washes its pads. Reviewers note it may require enabling in the app, and they credit it with improving results on dirtier zones after the first pass.

Docking and Auto-Empty Reliability (Robot)
Product 1: Roomba Combo j7+ Robot Vacuum...
4.2

Docking and auto-empty are generally reliable and convenient, though a few reports describe occasional emptying failures or hardware issues with a unit/base; most users still find the dock a major usability upgrade.

Product 2: Roborock Qrevo Curv S5X Robot...
4.6

The multifunction dock is repeatedly described as the product’s key value: bagged auto-empty, mop washing with heated water, mop drying with warm air, and water refilling to keep hands-on effort low. Reliability feedback is strongly positive overall, with the auto-empty step being quick but louder.

Dock noise
Product 1: Roomba Combo j7+ Robot Vacuum...
3.0

Dock self-emptying noise is a consistent negative, often described as startlingly loud for a short burst, with several measurements around high-80s to around 90+ dB.

Product 2: Roborock Qrevo Curv S5X Robot...
4.2

Dock noise is acknowledged as noticeable during auto-emptying, but reviewers emphasize it is short-lived. Outside of the emptying burst, overall sound levels are described as relatively manageable for a premium robot vacuum/mop combo.

Edge and Baseboard Cleaning (Hard Floors)
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
4.6

No summary yet.

Emptying and Mess Control
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
4.5

The bagged auto-empty design and contained disposal are praised for keeping mess low when emptying. The process can be the loudest part of operation, but it is described as brief and largely hands-off.

Filtration / Dust Containment
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
4.1

Reviews mention a standard replaceable/cleanable filter and bagged dust collection at the dock, which helps keep dust contained. The app’s maintenance section and part-life tracking are used as the practical way to manage filtration upkeep rather than any standout filtration claims.

Hair Pickup — Carpets
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
3.8

Hair pickup on carpets is generally good but not perfect, with reviewers sometimes observing a few hairs left behind after a pass. A second pass and stronger suction profiles improve results, aligning with broader comments that carpet performance trails hard-floor performance.

Hair Pickup — Hard Floors
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
4.6

Hair pickup on hard floors is consistently described as excellent, with reviewers noting the robot handles pet and human hair well during routine cleaning. This is frequently tied to the brush design that reduces wrapping and keeps hair moving toward the inlet.

Hair‑Wrap / Tangle Resistance
Product 1: Roomba Combo j7+ Robot Vacuum...
3.3

Tangle resistance is generally good on the main rubber rollers versus many rivals, but long hair can still wrap (often on the side brush) and needs regular clearing.

Product 2: Roborock Qrevo Curv S5X Robot...
4.7

Anti-tangle performance is a major strength across reviews, with split/DuoDivide-style rollers and zero-tangle brush design repeatedly credited for reducing hair wrap. This improves day-to-day reliability for pet owners and reduces how often users need to manually cut hair off the brush.

Hard Floor — Fine Dust Pickup
Product 1: Roomba Combo j7+ Robot Vacuum...
4.7

Fine dust pickup on hard floors is generally strong in everyday cleaning, contributing to a noticeably cleaner baseline between deep cleans.

Product 2: Roborock Qrevo Curv S5X Robot...
4.4

Hard-floor cleaning is repeatedly described as a strength, with reviewers reporting consistently strong results on smooth surfaces. Performance is framed as especially satisfying when paired with the dock’s automation and edge/corner extensions.

Hard Floor — Large Debris Intake
Product 1: Roomba Combo j7+ Robot Vacuum...
3.9

Large debris intake is good for routine messes, but several reviewers note it can be overwhelmed by big, dense spillages (flour/rice/oats), sometimes pushing or scattering debris before recovering.

Product 2: Roborock Qrevo Curv S5X Robot...
4.3

For everyday debris like crumbs and tracked-in dirt, reviewers generally report strong intake on hard floors, often with solid first-pass results. Heavier or messier areas may benefit from two-pass patterns or spot-cleaning routines.

Headlight and LED lights
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
4.4

At least one hands-on video highlights a built-in light on the robot, which the reviewer appreciates for navigation/visibility in darker areas. This is treated as a nice-to-have rather than a headline cleaning feature.

Heating element
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
4.6

Heated mop-pad washing is a key point across reviews, with water heating (often referenced around 75 C) used to clean pads more effectively. This is framed as a premium dock feature that supports hygiene and reduces manual scrubbing of mop pads.

Low-profile design
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
4.1

The robot is described as low enough to reach under many furniture pieces (often cited around a 98 mm height), but the top LiDAR turret still sets the clearance requirement. Reviews indicate it performs well under common couches and cabinets where clearance is adequate.

Maintenance requirements
Product 1: Roomba Combo j7+ Robot Vacuum...
3.3

Maintenance workload is moderate: dust emptying is automated, but mop pads and water refills are manual; periodic brush/side-brush cleaning is needed, especially with long hair or heavy debris.

Product 2: Roborock Qrevo Curv S5X Robot...
4.3

Maintenance is repeatedly described as low-effort thanks to auto-emptying and automated mop washing/drying, plus app-based reminders for parts. The remaining chores are refilling/emptying water tanks, occasional dock base cleaning, and replacing consumables on schedule.

Map and Path Efficiency (Robot Vacuums)
Product 1: Roomba Combo j7+ Robot Vacuum...
4.0

Mapping and systematic coverage are often described as accurate and reliable once trained, but camera-based navigation can be less time-efficient than LiDAR in complex spaces and a minority of experiences report stalled/errored runs.

Product 2: Roborock Qrevo Curv S5X Robot...
4.6

LiDAR-based navigation is consistently praised for producing reliable maps and efficient paths. Reviewers highlight strong mapping accuracy, live tracking in the app, and generally confident room-to-room navigation in typical home layouts.

Mop lifting system
Product 1: Roomba Combo j7+ Robot Vacuum...
4.8

Retractable mop lifting system is repeatedly cited as best-in-class for protecting rugs: the pad fully stows on top rather than hovering close to carpet, reducing drips and cross-contamination concerns.

Product 2: Roborock Qrevo Curv S5X Robot...
4.3

Mop lifting is consistently cited around a 10 mm lift when carpet is detected, enabling mixed vacuum+mop routines with reduced risk of wetting rugs. Reviews describe this as effective for typical transitions, though very plush carpets and small mats can still be problematic for navigation.

Mopping performance
Product 1: Roomba Combo j7+ Robot Vacuum...
3.9

Mopping is generally rated good for routine upkeep and light messes, leaving floors shinier; it is commonly described as less aggressive than true scrubbing systems and may need multiple passes for tougher stains.

Product 2: Roborock Qrevo Curv S5X Robot...
4.6

Mopping performance earns strong praise, especially in video tests cleaning muddy paw prints and in written reviews describing time savings versus manual mopping. The dock’s wash-and-dry process plus optional remopping is credited with keeping results consistent over time.

Noise level
Product 1: Roomba Combo j7+ Robot Vacuum...
4.4

During cleaning, noise is commonly described as moderate to fairly quiet for a robot vacuum, especially on carpet; the main noise complaint centers on the dock, not the robot itself.

Product 2: Roborock Qrevo Curv S5X Robot...
4.3

Noise is described as relatively low during mopping at lower water flow and acceptable during standard vacuuming. The loudest moments tend to be MAX+ suction and the brief auto-empty cycle at the dock, which reviewers note is quick.

Obstacle Avoidance (Robot)
Product 1: Roomba Combo j7+ Robot Vacuum...
4.4

Obstacle avoidance is a core strength: consistently strong on cords and common clutter, with pet-waste avoidance highlighted; not perfect, as some odd items (mugs, drapes, tiny toys, straps) can still be pushed or snagged.

Product 2: Roborock Qrevo Curv S5X Robot...
3.5

Obstacle avoidance is described as good for larger items (like toys, shoes, or furniture legs), but cables remain a clear weakness where the robot may snag or run them over. Compared with camera-based variants, reviewers suggest avoidance is slightly reduced, making pre-tidying important.

Odor control
Product 1: Roomba Combo j7+ Robot Vacuum...
3.2

Odor is mostly contained while the dock is closed, but some users notice a dusty smell when opening the base to swap the bag, similar to other bagged vacuums.

Product 2: Roborock Qrevo Curv S5X Robot...
4.3

Hot-air drying at the dock is repeatedly credited with reducing mop-pad odor and mold risk. Some reviewers still note dirty-water tank smell can be unpleasant if neglected, and suggest regular emptying (and optional deodorizing tricks) as part of ownership.

Ongoing ownership costs (bags, filters, batteries)
Product 1: Roomba Combo j7+ Robot Vacuum...
3.6

Ongoing costs mainly come from disposable dock bags and occasional replacement brushes/filters; several reviews view bags as convenient and cleaner to handle, but they add recurring expense versus bagless docks.

Product 2: Roborock Qrevo Curv S5X Robot...
4.0

Ongoing costs are primarily dust bags, filters, and occasional brush/mop-pad replacements. Reviews suggest parts are widely available and reasonably priced, but the limited included spares mean these costs show up sooner in ownership.

Overall opinion
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
4.6

Overall sentiment across sources is strongly positive, with video reviewers calling it a top recommendation and a written review rating it around 4/5. The most consistent caveats are cable handling, small-mat reliability, and carpet performance that can require extra passes.

Packaging quality
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
4.4

Packaging is described as protective and information-rich, with clear visuals communicating key features. The main drawback mentioned is the box size and weight, which can make carrying/unboxing easier with help.

Pet-Ready Features
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
4.4

Across reviews, the S5X is positioned as pet-friendly mainly due to strong hair handling and effective mopping for paw prints. The lack of a front camera is seen as a privacy win, but it also removes camera-based pet tracking/remote viewing features found on pricier models.

Price and Value
Product 1: Roomba Combo j7+ Robot Vacuum...
3.5

Value depends heavily on sale pricing: at full MSRP it is considered premium and missing some dock automation features, but discounts can make it a compelling buy for its avoidance and carpet performance.

Product 2: Roborock Qrevo Curv S5X Robot...
4.3

Value is framed as strong when discounted and as a smarter buy than camera-equipped, chassis-lift premium variants for many households. Reviewers still call it expensive at full price, but see it as a balanced way to get a premium dock and strong cleaning without paying top-tier flagship pricing.

Privacy controls
Product 1: Roomba Combo j7+ Robot Vacuum...
3.3

Privacy is periodically raised due to the front camera and cloud-based maps/images; reviewers note opt-in image review and app controls, but privacy-sensitive buyers may still be cautious.

Product 2: Roborock Qrevo Curv S5X Robot...
4.7

A core differentiator highlighted in multiple reviews is the absence of a front camera, which reduces privacy concerns for many buyers. The main tradeoff is giving up camera-based remote viewing and certain advanced object-identification behaviors found on pricier camera-equipped models.

Self-cleaning cycle
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
4.5

The dock’s self-cleaning behaviors (scrapers/wipers and a removable base) are praised for reducing manual cleanup. Reviews still note that buildup can occur over time and the removable dock base makes periodic rinsing/wiping more practical.

Software-update support / feature longevity
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
4.1

Firmware updates are explicitly recommended in at least one review, with an auto-update option and the expectation of bug fixes and improvements. Some future feature support is discussed (for example, Matter support in a software update), but timing and delivery are not confirmed by reviewers.

Solution / Liquid system
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
3.7

Reviews note there is no dedicated solution bottle/tank on the dock, so users add cleaning solution manually into the clean-water tank. This keeps the system simple but adds a small recurring manual step for those who want solution-assisted mopping.

Streaking / Residue
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
4.0

On heavier wet messes, reviewers note that a first pass can leave minor smearing, but the system’s remopping logic and/or two-pass patterns substantially reduce residue. For typical maintenance mopping, overall feedback remains strongly positive.

Stuck resistance
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
3.1

Stuck events are most often tied to loose cables and small/lightweight rugs or bath mats. Reviewers recommend pre-tidying cords and managing small mats to improve reliability, and some note that aggressive crevice/edge extensions can increase snag risk in cord-heavy areas.

Suction and Airflow
Product 1: Roomba Combo j7+ Robot Vacuum...
4.3

Suction/airflow performance is generally perceived as strong in day-to-day pickup (especially when paired with dual rollers), though some reviewers note it can lag high-suction competitors on heavy spillages or deep crevices.

Product 2: Roborock Qrevo Curv S5X Robot...
4.4

Reviews consistently describe strong suction (often cited around 17,000 Pa) with impressive hard-floor pickup and generally good carpet vacuuming for a robot. Turbo/MAX modes improve pickup but raise noise, so many users rely on extra passes instead of always running at max.

Support and Reliability
Product 1: Roomba Combo j7+ Robot Vacuum...
3.0

Support and reliability feedback is mixed: some reports mention unit faults or navigation/app instability, while others describe consistent hands-off operation and responsive warranty handling.

Product 2: Roborock Qrevo Curv S5X Robot...
3.6

Support impressions vary by channel, with at least one reviewer preferring to purchase through Amazon for smoother returns and warranty handling. Brand support is described as better than some competitors, but not always seamless, so retailer-based support is seen as a practical hedge.

Under-Furniture Pickup
Product 1: Roomba Combo j7+ Robot Vacuum...
No score yet
Product 2: Roborock Qrevo Curv S5X Robot...
4.2

Under-furniture access is generally good as long as clearance meets the robot’s height, with reviews citing it can clean under many sofas and cabinets. The LiDAR turret means ultra-low furniture can still be a limitation, so low-clearance zones may need no-go rules.

Water tank
Product 1: Roomba Combo j7+ Robot Vacuum...
3.1

Water tank is considered small, often requiring frequent refills for larger homes or higher water settings; mopping remains manual-maintenance heavy compared with newer docks that refill automatically.

Product 2: Roborock Qrevo Curv S5X Robot...
4.4

The clean/dirty water tank system is frequently described as convenient, with reviewers citing generous capacities (for example, 4 L clean and 3 L dirty in one review) and automatic refilling of the robot’s internal tank. Users still need to periodically refill and empty tanks, especially in heavy mopping households.