Average score
Dreame X40 Ultra Robotic Vacuum
4.3
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.2
Clogging and debris prevention
Dreame X40 Ultra Robotic Vacuum
4.5
Anti-tangle and clog-prevention comments are positive, especially when the TriCut brush is used.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
1.5
Clogging was a serious weakness in the Lifehacker review, which reported repeated clogs during active vacuuming.
Hair Pickup — Carpets
Dreame X40 Ultra Robotic Vacuum
2.5
Carpet hair pickup is weak relative to the product's price, with only about half of test hair collected.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.8
Carpet hair pickup was excellent overall, with high pet-hair scores and praise for removing visible pet hair from rugs and carpet.
Under-Furniture Pickup
Dreame X40 Ultra Robotic Vacuum
4.5
Under-furniture pickup is strong where the side brush and mop reach under appliances and low furniture edges.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
2.3
Under-furniture pickup was a limitation in Lifehacker's review because the roller mop could not slide under some appliances.
Emptying and Mess Control
Dreame X40 Ultra Robotic Vacuum
4.7
The dock's emptying and mess-control system is broadly convenient, although auto-empty suction is not universally perfect.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
2.5
Emptying and mess control were mixed to weak, with reports of dropped cat litter, threshold debris, and wet-mess spreading.
Large debris handling
Dreame X40 Ultra Robotic Vacuum
4.5
Large debris handling is strong overall, but not perfect in all carpet and hard-floor tests.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
2.5
Large-debris handling was mixed to negative: it could pick up debris, but some reviewers saw dropped debris or clogs from larger particles.
Stuck resistance
Dreame X40 Ultra Robotic Vacuum
4.8
Stuck resistance is excellent, with reviewers comfortable leaving it alone and reporting little need for rescue.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
2.9
Stuck resistance was mixed: some reviewers reported threshold or furniture hang-ups, while The Gadgeteer saw zero issues after an initial rug incident.
Ongoing ownership costs (bags, filters, batteries)
Dreame X40 Ultra Robotic Vacuum
2.5
Ownership costs are a notable drawback because consumables and bags add ongoing expense.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.2
Ownership-cost evidence was limited but positive for refill flexibility, since one reviewer liked using their own cleaning fluid.
Corner Cleaning (Robot)
Dreame X40 Ultra Robotic Vacuum
4.5
Corner cleaning is one of the clearest strengths thanks to the extendable side brush and edge-reaching mop behavior.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
2.9
Corner cleaning had a notable missing-feature caveat: Vacuum Wars called out the lack of an auto-extending side brush on the X9.
Support and Reliability
Dreame X40 Ultra Robotic Vacuum
4.8
Reliability is a core strength: reviewers trusted it to finish jobs and called it dependable.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
3.3
Reliability evidence was mixed, with one reviewer saying day-to-day use worked reliably and another reporting incomplete assigned-area cleaning.
Hair-removal channel issues
Dreame X40 Ultra Robotic Vacuum
3.0
Hair can collect in a crevice near the wheelbase, though removal was manageable.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
1.5
Hair-removal channel issues were negative in Lifehacker's review, where hair wrapped tightly enough to require cutting away.
Suitability for small spaces
Dreame X40 Ultra Robotic Vacuum
2.5
Small-space suitability is limited by the large dock, even though the robot itself navigates well.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.0
Small-space suitability was supported by one review that found mapping worked better in a hallway and small kitchen than in larger rooms.
Aesthetic design and finish
Dreame X40 Ultra Robotic Vacuum
3.2
Design sentiment is lukewarm: one reviewer called the look dated or industrial, while another saw it as familiar rather than striking.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.4
Design sentiment was strongly positive, with several reviewers praising the brushed finish, sleek base, and premium-looking tower.
Storage footprint and upright-stand stability
Dreame X40 Ultra Robotic Vacuum
2.9
The dock's footprint is a repeated drawback because it is large and needs accessible placement.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.2
The base station was generally seen as attractive and compact, though one review preferred the older tank layout.
Suitability for heavy-duty use
Dreame X40 Ultra Robotic Vacuum
4.7
Heavy-duty suitability is good for demanding messes, pets, and mixed household cleaning.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
3.5
Heavy-duty suitability was only moderately supported because an unfair paste-like mess was handled admirably but imperfectly.
Bin and Bag
Dreame X40 Ultra Robotic Vacuum
3.8
The large dust bag earns praise, but one long-term user found the bag needed changing more often than expected.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
2.7
The internal bin was a repeated drawback in Vacuum Wars evidence, with lower-than-average capacity called out.
Noise level
Dreame X40 Ultra Robotic Vacuum
2.7
Noise is a downside; reviewers said it is louder than average and distracting during work.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
3.8
Noise feedback was limited and mixed: one review listed quiet operation as a pro, while another disliked how chatty the robot was.
Battery and Charging
Dreame X40 Ultra Robotic Vacuum
4.4
Battery and charging impressions are positive, with long runtime and large-floor-plan coverage repeatedly highlighted.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
3.3
Battery feedback was mixed to weak: some reviewers found runtime sufficient or improved, but Vacuum Wars called high-power battery performance a weak point.
Hair Pickup — Hard Floors
Dreame X40 Ultra Robotic Vacuum
4.0
General hair pickup is acceptable to good in some reviews, but it is not consistently excellent.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
5.0
Hard-floor hair pickup was praised in daily use, including crumbs, hair, and muddy paw prints.
Maneuverability and Handling
Dreame X40 Ultra Robotic Vacuum
4.8
Maneuverability is excellent, with strong navigation, threshold handling, and reliable movement around obstacles.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
3.9
Handling was mixed: one review called it clumsy around irregular furniture, while a preview demo praised navigation through a crowded coffee shop.
Value-for-money
Dreame X40 Ultra Robotic Vacuum
3.6
Value is mixed-to-positive: costly upfront, but reviewers often found the automation and feature set worth it.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
2.7
Value-for-money evidence was limited and negative in the X8 comparison, where both models were called expensive.
Controls and UI
Dreame X40 Ultra Robotic Vacuum
4.4
Controls and UI are feature-rich and highly customizable, but the app can feel clunky in places.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
3.5
Controls were mixed: PCMag criticized sluggish physical controls, while The Gadgeteer found Yiko voice control worked extremely well.
Assembly and Setup
Dreame X40 Ultra Robotic Vacuum
4.8
Setup is consistently described as quick, simple, or easy to get running.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
3.9
Setup was mostly described as simple or stress-free, though one reviewer had initial mapping/setup frustrations.
Map and Path Efficiency (Robot Vacuums)
Dreame X40 Ultra Robotic Vacuum
4.5
Mapping and path efficiency are strong overall, with detailed maps and near-perfect coverage, but one tester found the pattern erratic.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
3.7
Navigation and mapping split reviews: Vacuum Wars and Android Authority praised efficiency, while PCMag and Lifehacker criticized blocky or inaccurate maps.
Floorhead design
Dreame X40 Ultra Robotic Vacuum
2.8
The main roller/floorhead design is a rare weak point because hair pickup did not fully satisfy one tester.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
3.6
Floorhead design drew mixed reactions: The Gadgeteer praised the improved side sweeper, while Lifehacker thought the roller looked undersized.
Ease of use
Dreame X40 Ultra Robotic Vacuum
4.7
Ease of use is high overall, with minimal maintenance and dependable operation recurring across reviews.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
3.9
Ease of use was polarized, with set-it-and-forget-it praise offset by Lifehacker's complaint about excessive intervention.
Runtime
Dreame X40 Ultra Robotic Vacuum
4.5
Runtime is well suited to larger homes and single-run coverage.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
3.8
Runtime evidence was adequate but not standout: PCMag found it sufficient for most homes, while Bob Vila wanted a slightly longer-lasting battery.
Carpet — Low-Pile Pickup
Dreame X40 Ultra Robotic Vacuum
4.0
Low-pile/conventional carpet pickup is good to strong, though not flawless.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.7
Low-pile and general carpet pickup was very strong, with awards, rice-on-carpet results, and welcome-mat success.
Build quality and durability
Dreame X40 Ultra Robotic Vacuum
4.2
Build quality is supported by durable consumables that reviewers said did not need frequent replacement.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
3.5
Build-quality evidence was limited to a mixed design-material impression: the finish looked premium, but the robot still felt plastic up close.
Docking and Auto-Empty Reliability (Robot)
Dreame X40 Ultra Robotic Vacuum
2.8
Auto-empty reliability is mixed because the dock is capable but one reviewer found its suction weak.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
3.5
Docking and auto-empty reliability was mixed, with recharge/resume and dock functions praised but one PCMag test reporting a clogged self-empty event.
Area Rug Handling
Dreame X40 Ultra Robotic Vacuum
4.8
Carpet and rug handling is a strength because the X40 can lift or leave mop pads behind to reduce wet-carpet risk.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.1
Area-rug handling was mixed: it recognized rugs well and performed well on carpets/rugs, but one review noted a rug-related stuck incident.
Edge and Baseboard Cleaning (Hard Floors)
Dreame X40 Ultra Robotic Vacuum
4.6
Baseboard and edge cleaning are repeatedly praised, with reviewers saying the extending brush and mop reach areas rivals miss.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.0
Edge and baseboard mopping was often praised, especially the extending roller, but some reviewers found missed strips or edge debris.
Low-profile design
Dreame X40 Ultra Robotic Vacuum
4.0
The robot earns limited low-profile credit for reaching under lips of low furniture, though the dock itself is not compact.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
3.4
Low-profile design was mixed: internal navigation helped it get under furniture, but Vacuum Wars noted it was still slightly taller than average.
Maintenance requirements
Dreame X40 Ultra Robotic Vacuum
4.2
Maintenance is relatively low for a premium robot, though water tanks, consumables, and periodic upkeep still remain.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
3.7
Maintenance requirements were mixed: self-maintenance and reminders were praised, while clog-prone use required too much intervention for one reviewer.
Heating element
Dreame X40 Ultra Robotic Vacuum
4.5
Hot-water cleaning and heated drying are viewed as useful for mop hygiene and maintenance.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
5.0
The heated drying element was praised enthusiastically in one daily-use review for fully drying the mop roller.
Hard Floor — Large Debris Intake
Dreame X40 Ultra Robotic Vacuum
4.5
Large hard-floor debris intake is strong overall, despite occasional missed cereal pieces.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.1
Large hard-floor debris pickup was mostly positive in tests, though The Gadgeteer saw cracker pieces flung during an extreme wet mess.
Hair‑Wrap / Tangle Resistance
Dreame X40 Ultra Robotic Vacuum
3.8
Hair-wrap resistance is mixed: standard brushes can tangle, but anti-tangle design and optional accessories reduce maintenance.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.2
Hair-wrap resistance was mostly excellent, with perfect tangle-test results and household praise, though Lifehacker reported hair strangling the roller.
Water tank
Dreame X40 Ultra Robotic Vacuum
3.9
Water-tank feedback is generally positive for capacity and separation, though refilling and emptying still remain part of ownership.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
3.5
Water-tank sentiment was mixed: tanks were easy to access, but the hidden smaller tanks required more filling and emptying.
Carpet — Medium-Pile Pickup
Dreame X40 Ultra Robotic Vacuum
4.7
Medium-pile and deep-clean testing is consistently above average, especially against the previous X30.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
5.0
Carpet pickup and deep-clean results were excellent, with awards-level scores and praise for soft-floor performance.
Obstacle Avoidance (Robot)
Dreame X40 Ultra Robotic Vacuum
4.7
Obstacle avoidance is a standout, with multiple reviewers praising AI recognition, pet-accident avoidance, and reliable object navigation.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.4
Obstacle avoidance was generally above average or impressive, but not flawless; some reviews still reported real-world stuck events.
Price and Value
Dreame X40 Ultra Robotic Vacuum
3.0
Price is the most common caveat; reviewers call it expensive but often justify it with performance and automation.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
3.3
Value sentiment split sharply, from worth-the-splurge praise to repeated concerns that the full premium price is hard to justify.
Overall opinion
Dreame X40 Ultra Robotic Vacuum
4.7
Overall opinion is strongly positive across reviews, with the X40 often described as top-tier or hard to beat.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.4
Overall opinion leaned strongly positive, including multiple best-ever or top-tier verdicts, though Lifehacker was notably more lukewarm.
Comparative performance
Dreame X40 Ultra Robotic Vacuum
4.2
Comparative evidence is mostly favorable, with X40 outperforming older Dreame models and ranking near the top, though one suction claim was viewed skeptically.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.5
Comparative performance was favorable overall, with awards-level praise and a comparison review finding the X9 slightly stronger than X8 at vacuuming.
Fresh Liquid Pickup Speed
Dreame X40 Ultra Robotic Vacuum
4.8
Fresh wet spills were handled very well, with little sign left after the robot cleaned.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.5
Fresh-liquid pickup evidence was positive, including a spilled-milk demo and confidence in the roller mop's wet-spill design.
Pet-Ready Features
Dreame X40 Ultra Robotic Vacuum
4.6
Pet readiness is mixed: pet zones and accident avoidance are excellent, while fur pickup can disappoint.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.9
Pet-focused evidence was strong overall, with awards and real-home praise for pet hair, shedding, and dirty paws.
Overall cleaning convenience
Dreame X40 Ultra Robotic Vacuum
4.5
Overall convenience is high, mainly because the X40 reduces manual vacuuming, mopping, and deep cleaning.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.7
Overall convenience was a strong positive, with daily-use reviewers emphasizing set-it-and-forget-it cleaning and less babysitting.
Odor control
Dreame X40 Ultra Robotic Vacuum
4.7
Odor control is strong because hot washing and drying help prevent musty mop-pad smells.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.5
Odor-control evidence was positive, with praise for fresh-smelling mop maintenance and drying that helps prevent bacteria growth.
Accessories and Tools
Dreame X40 Ultra Robotic Vacuum
4.2
The optional anti-tangle accessory is described as a worthwhile add-on for households dealing with hair.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.0
Included parts were viewed as simple and mostly pre-assembled, with only the ramp and power cord left to attach.
Versatility
Dreame X40 Ultra Robotic Vacuum
4.7
Versatility is high across hard floors, carpets, rugs, mopping, vacuuming, pet features, and customized room cleaning.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.5
Versatility was praised in Android Authority's review as a package combining the brand's best floor-cleaning features.
Streaking / Residue
Dreame X40 Ultra Robotic Vacuum
4.1
Residue and streak evidence is mostly positive, with reviewers using settings to minimize streaks and reporting shiny floors.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
3.9
Residue and streaking were mixed: many tests praised low water and streak control, while stress tests noted sticky residue or streaks.
Mopping performance
Dreame X40 Ultra Robotic Vacuum
4.8
Mopping performance is one of the X40's strongest areas, with repeated praise for rotating pads, tough stains, and overall results.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.7
Mopping performance was the most consistent strength, with awards, strong stain results, daily-use praise, and only a few edge/residue caveats.
Solution / Liquid system
Dreame X40 Ultra Robotic Vacuum
4.0
The liquid system is useful and partly non-proprietary, but one reviewer noted solution is not always mixed into onboard floor water.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
3.9
Liquid-system feedback was mixed, with praise for low refill frequency and fluid flexibility but complaints about a smaller cleaning-fluid tank.
Suction and Airflow
Dreame X40 Ultra Robotic Vacuum
4.6
Suction and airflow are consistently praised as powerful, high-performing, and above average, though one setting limitation was noted.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.5
Reviewers consistently praised unusually strong airflow and suction, especially on carpet and stubborn debris, though one reviewer found the vacuum merely okay on flat floors.
Hard Floor — Fine Dust Pickup
Dreame X40 Ultra Robotic Vacuum
4.6
Hard-floor fine-debris pickup is consistently strong, with only minor misses in some tests.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.6
Hard-floor fine-dust pickup was generally strong, with praise for efficient fine-debris pickup and dust/micro-debris collection.
AI, Smart, App and Automation
Dreame X40 Ultra Robotic Vacuum
4.5
Reviewers generally praise the app, AI, mapping, virtual boundaries, customization, live-view, and automation, though one found the app clunky.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.5
Smart features and app experience were mostly praised for control depth, Matter, Yiko, and organization, but mapping and control usability drew caveats.
Self-cleaning cycle
Dreame X40 Ultra Robotic Vacuum
4.6
Self-cleaning is a major strength, with hot mop washing, drying, dock cleaning, and low-maintenance routines.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.7
Self-cleaning was a clear strength, with reviewers praising mop washing, dock maintenance, and clean-mop behavior after tests.
Floor Drying Time
Dreame X40 Ultra Robotic Vacuum
4.8
Wet-spill tests left floors dry enough that one reviewer found no visible dampness after cleaning.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.8
Floor drying was a strength, with praise for low water left behind, adjustable moisture, and a fully dried mop roller.
Innovation compared to competitors
Dreame X40 Ultra Robotic Vacuum
4.4
Reviewers see the X40 as highly innovative, especially for Dreame-only mop-pad handling, sensors, and feature density.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.4
Innovation was praised mainly around the roller-mop and convenience advances, though some coverage was preview/demo-based rather than long-term testing.
Mop lifting system
Dreame X40 Ultra Robotic Vacuum
4.4
The mop-lifting and mop-drop system is a standout carpet-protection feature, though limited lift height caused occasional carpet-edge issues.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.5
Mop lifting was praised for keeping carpets dry and lifting components out of the way, though evidence mostly focused on design effectiveness.
Dried-On Stain Removal
Dreame X40 Ultra Robotic Vacuum
4.7
Dried-on stain removal is repeatedly praised, especially for coffee, grape juice, and sticky messes.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.7
Dried-on stain results were very strong overall, including record-level test praise, with only a comparison review noting the X8 was slightly better.
Tool-change simplicity
Dreame X40 Ultra Robotic Vacuum
4.5
Tool and pad changes are easy thanks to magnetic mop pads and straightforward accessory handling.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.5
Tool access was praised in one review, with the dustbin described as easy to pop out.
Adaptive chassis lift
Dreame X40 Ultra Robotic VacuumNo score yet
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
3.4
Adaptive lifting evidence was mixed: one preview praised lift-up design, while The Gadgeteer said the sweeper brush failed to lift in a wet mess.
Carpet — High-Pile Pickup
Dreame X40 Ultra Robotic Vacuum
4.5
Thicker carpet feedback is positive, with strong suction leaving carpets feeling thoroughly cleaned.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and MopNo score yet
Dirty water sensor
Dreame X40 Ultra Robotic Vacuum
4.2
Dirty-water sensing is praised as a useful advanced base-station feature that can trigger additional cleaning.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and MopNo score yet
Edge‑Following Accuracy (Robot)
Dreame X40 Ultra Robotic Vacuum
5.0
Edge-following accuracy is strong where reviewers saw the X40 actually reach into corners and edges well.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and MopNo score yet
Floor shine after cleaning
Dreame X40 Ultra Robotic Vacuum
4.5
The mop can leave floors shiny after routine cleaning.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and MopNo score yet
Kid-friendliness
Dreame X40 Ultra Robotic Vacuum
4.2
Busy family and kid-mess suitability is positive because the robot can handle toys, crumbs, mud, and obstacle-filled rooms.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and MopNo score yet
Overall durability/longevity
Dreame X40 Ultra Robotic Vacuum
4.2
Longevity evidence is limited but positive for wearing parts that reviewers found robust.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and MopNo score yet
Sanitizing performance
Dreame X40 Ultra Robotic Vacuum
4.5
Sanitizing performance is supported by hot-water mop cleaning that reviewers linked to killing bacteria.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and MopNo score yet
Software-update support / feature longevity
Dreame X40 Ultra Robotic VacuumNo score yet
Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop
4.0
Software support evidence was limited but positive in one review, where an over-the-air update fixed an early issue.
Surface safety with attachments
Dreame X40 Ultra Robotic Vacuum
4.5
Surface safety is good around wet spots and carpet/rug protection because the robot avoids spreading liquid or damp pads.
Ecovacs Deebot X9 Pro Omni Robot Vacuum and MopNo score yet