Compare Roborock QV 35A Robot Vacuum and Mop vs Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop

P1 Roborock QV 35A Robot Vacuum and Mop
P2 Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop

Comparison Takeaways

Roborock QV 35A Robot Vacuum and Mop

Where It Has the Edge

  • Area Rug Handling is 4.4 vs 3.4. Carpet and rug handling is a strength: the robot can detect carpet, lift the mops about 10 mm,...
  • Price and Value is 4.3 vs 3.5. Value is a consistent theme: most reviews frame the QV 35A as a standout buy when priced under...
  • Assembly and Setup is 4.7 vs 4.0. Setup is described as simple: attach the dock base/ramp, fill tanks, scan the QR code, and run quick...
  • Controls and UI is 4.6 vs 4.0. Controls are straightforward with physical power/home buttons plus a feature-rich app for room selection, routines, and dock controls....

Ecovacs Deebot X9 Pro Omni Robot Vacuum and Mop

Where It Has the Edge

  • Odor control is 4.8 vs 3.2. Hot-air drying and regular mop washing are repeatedly credited with preventing the damp, mildew-like smell that some robot...
  • Hair Pickup — Carpets is 4.7 vs 3.4. Carpet hair pickup is widely reported as strong, including high pet-hair percentages in testing and positive real-home pet...
  • Floor Drying Time is 4.6 vs 3.5. Lower water left behind and hot-air drying are commonly noted, which can help floors dry faster and reduce...
  • Innovation compared to competitors is 4.7 vs 3.8. Reviewers frequently call out the roller self-washing concept and BLAST airflow path as meaningful advances over older hybrids....
Average score
Product 1: Roborock QV 35A Robot Vacuum...
4.2
Product 2: Ecovacs Deebot X9 Pro Omni...
4.3
Accessories and Tools
Product 1: Roborock QV 35A Robot Vacuum...
4.2

Unboxing coverage notes the essentials are included (robot, dock, ramp/base pieces, mop pads), with setup-focused extras rather than a large accessory bundle.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.0

Unboxings typically include the robot, dock, ramp, cord, and manuals, with a dust bag preinstalled. Multiple reviewers note that extra consumables (spare bags or detergent) may not be included.

Adaptive chassis lift
Product 1: Roborock QV 35A Robot Vacuum...
4.4

Threshold handling is a standout: reviews report it can climb around half-inch to three-quarter-inch transitions and generally adapts well to small bumps. Wheels and a floating brush/chassis design help maintain contact on uneven surfaces.

Product 2: Ecovacs Deebot X9 Pro Omni...
No score yet
Aesthetic design and finish
Product 1: Roborock QV 35A Robot Vacuum...
No score yet
Product 2: Ecovacs Deebot X9 Pro Omni...
4.6

Design and finish are consistently praised, with multiple reviewers calling the robot and dock premium-looking (brushed/metal-like textures and a sleeker base). Even reviewers with performance complaints tend to like the aesthetics.

AI, Smart, App and Automation
Product 1: Roborock QV 35A Robot Vacuum...
4.5

The Roborock/Qrevo app experience is repeatedly described as excellent and full-featured, with routines, schedules, room/zone cleaning, no-go zones, and deep control over suction, water, and dock behavior. A few notes include needing 2.4 GHz Wi-Fi during setup and (in one review) manually setting floor types for best results.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.5

The Ecovacs app is widely praised for organization and depth (routines, maps, barriers, dock controls), and multiple sources mention Matter and voice features (including Yiko). A few note that some settings are buried or that the robot can be overly chatty.

Airflow blowback
Product 1: Roborock QV 35A Robot Vacuum...
4.4

During auto-emptying, one review highlights reduced dust puffback thanks to a more sealed, multi-layer bag/door setup. Overall, airflow-related mess during emptying is described as minimal.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.3

Multiple reviewers note reduced debris scattering compared with earlier models, sometimes crediting a slowed or redesigned side brush. Conversely, some negative experiences describe debris drops around thresholds or during return-to-dock events.

Area Rug Handling
Product 1: Roborock QV 35A Robot Vacuum...
4.4

Carpet and rug handling is a strength: the robot can detect carpet, lift the mops about 10 mm, and adjust behavior (including carpet boost and vacuum-first options). Some users still prefer to avoid carpets during mopping for best results.

Product 2: Ecovacs Deebot X9 Pro Omni...
3.4

Carpet detection is described as competent, but thick rugs and thresholds are recurring pain points in negative reviews. The robot is also described as limited to standard threshold heights rather than newer advanced climbing systems.

Assembly and Setup
Product 1: Roborock QV 35A Robot Vacuum...
4.7

Setup is described as simple: attach the dock base/ramp, fill tanks, scan the QR code, and run quick mapping. A common note is that the robot prefers 2.4 GHz Wi-Fi and docking alignment can take a bit of care.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.0

Setup is often described as straightforward, but several reviews mention initial firmware updates, mapping hiccups, or time spent editing room divisions. Planning a little extra time for first-run mapping improves the experience.

Battery and Charging
Product 1: Roborock QV 35A Robot Vacuum...
4.2

The robot reliably returns to dock to charge and includes app options like off-peak charging to reduce energy costs. Reviews do not provide measured runtime numbers, but charging behavior is described as standard and dependable.

Product 2: Ecovacs Deebot X9 Pro Omni...
3.9

Battery impressions are mixed: official low-power runtimes are strong, but measured testing and higher-power settings can look below average for efficiency and coverage per charge. Recharge-and-resume helps, and some reviewers still find it sufficient for typical homes.

Bin and Bag
Product 1: Roborock QV 35A Robot Vacuum...
4.2

The robot bin and dock bag system are considered practical: one review calls out a larger 330 ml onboard bin, while others note bag replacement roughly every 2 to 3 months depending on use (often longer in cleaner homes).

Product 2: Ecovacs Deebot X9 Pro Omni...
3.7

Several reviews note the robot’s internal bin is small for a flagship, increasing dependence on the dock. The dock’s disposable bag is described as large-capacity, but spare bags aren’t always included.

Build quality and durability
Product 1: Roborock QV 35A Robot Vacuum...
4.5

Build quality impressions are strong for a budget-leaning model, with reviewers calling out neat finishes, a sturdy bumper, and overall fit-and-finish similar to higher-end Roborock units.

Product 2: Ecovacs Deebot X9 Pro Omni...
No score yet
Carpet — Low-Pile Pickup
Product 1: Roborock QV 35A Robot Vacuum...
4.1

For general carpet pickup (especially larger debris), results are described as solid, often improving with a second pass or deep-clean pattern. Hair on carpet is the more common weak point rather than food/debris pickup.

Product 2: Ecovacs Deebot X9 Pro Omni...
No score yet
Carpet — Medium-Pile Pickup
Product 1: Roborock QV 35A Robot Vacuum...
No score yet
Product 2: Ecovacs Deebot X9 Pro Omni...
4.7

Carpet performance is frequently rated near the top, with strong deep-clean results and above-average pickup on rugs. Some comparisons still argue the X8 is close enough on most tests that the X9’s premium is hard to justify.

Child lock
Product 1: Roborock QV 35A Robot Vacuum...
4.2

A child lock is available in the settings, adding peace of mind for households where kids might press buttons or start a run unintentionally.

Product 2: Ecovacs Deebot X9 Pro Omni...
No score yet
Clogging and debris prevention
Product 1: Roborock QV 35A Robot Vacuum...
No score yet
Product 2: Ecovacs Deebot X9 Pro Omni...
3.2

This is a key split point: multiple reviews report clogs with medium/large debris, pet hair, or messy mixtures, sometimes without timely alerts. Others report strong day-to-day debris handling with reduced scattering, suggesting performance depends on debris type and home layout.

Comparative performance
Product 1: Roborock QV 35A Robot Vacuum...
4.3

Comparisons in the reviews often favor the QV 35A on value: several reviewers say it matches or even beats more expensive siblings in basic navigation and cleaning. The main gaps versus pricier models are extra sensors, AI cameras, heated wash/dry, and edge-extending hardware.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.6

In roundup-style coverage it’s presented as a top performer and award winner, but some side-by-side comparisons conclude the less expensive X8 (or other flagships) can be a better overall buy. The X9’s strengths are usually framed as best-in-class mopping and very strong all-around cleaning.

Controls and UI
Product 1: Roborock QV 35A Robot Vacuum...
4.6

Controls are straightforward with physical power/home buttons plus a feature-rich app for room selection, routines, and dock controls. Reviewers also mention adjustable robot voice volume/language and remote-control style driving modes.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.0

App controls are generally seen as excellent, but physical controls and map-editing workflows get criticism in some reviews (sluggish button response or tedious confirmation steps). After setup, day-to-day control is usually straightforward.

Cord length
Product 1: Roborock QV 35A Robot Vacuum...
4.2

One setup review specifies the dock power cord is about 6 ft, which is generally sufficient for flexible placement near an outlet.

Product 2: Ecovacs Deebot X9 Pro Omni...
No score yet
Cord management
Product 1: Roborock QV 35A Robot Vacuum...
4.1

The dock includes basic cord storage/management, helping keep the power cord tidy behind the station.

Product 2: Ecovacs Deebot X9 Pro Omni...
No score yet
Corner Cleaning (Robot)
Product 1: Roborock QV 35A Robot Vacuum...
3.8

Corner performance is described as acceptable but not class-leading. Several reviews point to the lack of extendable brushes/pads as the limiting factor, even though the robot’s perimeter passes still catch a lot along edges.

Product 2: Ecovacs Deebot X9 Pro Omni...
No score yet
Dirty water sensor
Product 1: Roborock QV 35A Robot Vacuum...
No score yet
Product 2: Ecovacs Deebot X9 Pro Omni...
4.6

Some reviews call out a dirty-water sensing feature in the dock that can adjust washing based on how dirty the pads are. It’s consistently described as a higher-end automation feature rather than a must-have.

Docking and Auto-Empty Reliability (Robot)
Product 1: Roborock QV 35A Robot Vacuum...
4.4

Docking, auto-empty, and auto-refill functions are described as reliable in normal use and contribute to the set-and-forget experience. A few notes mention docking alignment can be a little finicky, but overall automation works as intended.

Product 2: Ecovacs Deebot X9 Pro Omni...
3.9

The OMNI dock is broadly viewed as full-featured and convenient, combining auto-empty, refill, and mop washing/drying. A minority of reports mention a one-off auto-empty clog/failure or debris dropping on the way back to the dock, so reliability is strong but not flawless.

Dock noise
Product 1: Roborock QV 35A Robot Vacuum...
4.5

Dock operations are generally reported as not super loud, with mop washing and bin emptying described as reasonable and the drying fan often called very quiet.

Product 2: Ecovacs Deebot X9 Pro Omni...
No score yet
Dried-On Stain Removal
Product 1: Roborock QV 35A Robot Vacuum...
4.3

Rotating pads and controlled water delivery allow the QV 35A to scrub many dried or sticky spots (e.g., coffee residue, syrup-like spills) surprisingly well. Reviews still emphasize that very large messes may require multiple passes or manual pre-cleaning.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.9

Reviewers cite exceptional performance on dried-on messes, including lab-style scoring that places it near the top of recorded results. Real-home testers also report it can scrub sticky spots that older robot mops often leave behind, though not always perfectly.

Ease of use
Product 1: Roborock QV 35A Robot Vacuum...
4.5

Ease of use is a major positive: reviewers call it convenient to run, easy to set schedules and routines, and largely hands-off thanks to the dock’s washing and emptying. The biggest usability friction points are cable prep and keeping tanks/tray clean for best hygiene.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.0

When everything is dialed in, reviewers describe an almost set-and-forget experience with strong automation. Negative experiences typically stem from clogs, threshold issues, or mapping inaccuracies that demand more intervention.

Edge and Baseboard Cleaning (Hard Floors)
Product 1: Roborock QV 35A Robot Vacuum...
3.8

Edge cleaning is described as decent in normal perimeter runs, but multiple reviews note it lacks extendable side brushes or mop pads, so edge-to-edge results and tight baseboards can lag behind higher-end models.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.4

Edge cleaning is typically a strength thanks to extending brush/mop behavior, with several reviewers noting good wall-hugging and baseboard coverage. A common caveat is that the roller shape may miss a strip near certain appliances or toe-kicks.

Emptying and Mess Control
Product 1: Roborock QV 35A Robot Vacuum...
4.3

Auto-emptying into a dock bag minimizes hands-on mess and reduces how often the onboard bin needs attention. Reviewers appreciate the cleaner emptying experience versus manual dumping.

Product 2: Ecovacs Deebot X9 Pro Omni...
No score yet
Filter-change indicator
Product 1: Roborock QV 35A Robot Vacuum...
4.3

The app provides maintenance tracking for parts like the filter (remaining life and reminders). Reviewers note you may need to reset timers after cleaning to keep reminders accurate.

Product 2: Ecovacs Deebot X9 Pro Omni...
No score yet
Filtration / Dust Containment
Product 1: Roborock QV 35A Robot Vacuum...
4.4

Filtration is viewed positively: the filter is washable and the docked system is described as good at keeping dust contained, with one review citing SGS certification for high particle capture (e.g., pollen).

Product 2: Ecovacs Deebot X9 Pro Omni...
No score yet
Floor Drying Time
Product 1: Roborock QV 35A Robot Vacuum...
3.5

Drying is a known compromise: the dock uses room-temperature air rather than hot air, so pad drying can take many hours (often cited in the 4–8 hour range, with longer options available). This is acceptable to some reviewers but a dealbreaker for others wanting faster hygiene.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.6

Lower water left behind and hot-air drying are commonly noted, which can help floors dry faster and reduce lingering dampness. Some owners still mention long deep-clean cycles that may include recharge breaks, but drying performance is generally praised.

Fresh Liquid Pickup Speed
Product 1: Roborock QV 35A Robot Vacuum...
No score yet
Product 2: Ecovacs Deebot X9 Pro Omni...
4.6

Several sources emphasize that the roller design can handle small wet spills by separating dirty water rather than dragging a damp pad across the floor. Demo-style testing (e.g., spilled milk) suggests it can clean quickly with minimal smearing compared with traditional pad mops.

Hair Pickup — Carpets
Product 1: Roborock QV 35A Robot Vacuum...
3.4

Hair pickup on carpet is repeatedly described as the biggest cleaning weakness, with rubber brushes struggling to lift embedded hair. Deep-clean patterns help, but some hair may remain compared with bristle-heavy rollers.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.7

Carpet hair pickup is widely reported as strong, including high pet-hair percentages in testing and positive real-home pet results. Performance can drop if debris clogs the airflow path or during tricky threshold transitions.

Hair Pickup — Hard Floors
Product 1: Roborock QV 35A Robot Vacuum...
4.5

On hard floors, long hair pickup is generally reported as strong, especially when paired with straight-line cleaning and adjustable settings. Some hair can still collect on brushes, but overall pickup is praised.

Product 2: Ecovacs Deebot X9 Pro Omni...
No score yet
Hair‑Wrap / Tangle Resistance
Product 1: Roborock QV 35A Robot Vacuum...
3.7

The anti-tangle design (rubber main brush and redesigned side brush) reduces snarls and makes maintenance easier, but it does not eliminate hair wrap entirely. At least one hands-on test still found noticeable wrap with very long hair.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.4

Many sources highlight anti-tangle brush features (ZeroTangle/active hair removal) with lab tests showing near-zero tangling. At least one reviewer still experienced significant hair wrapping during problem runs, so it’s excellent but not guaranteed.

Hard Floor — Fine Dust Pickup
Product 1: Roborock QV 35A Robot Vacuum...
4.6

Fine debris like coffee grounds and small crumbs are reported to be picked up very effectively on hard floors, often with little left after a pass. Reviewers attribute this to strong suction and systematic pathing.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.7

Hard-floor dust pickup is consistently described as strong, with reviewers noting reliable capture of micro debris and fine dust. Some negative reviews still credit it for routine dust pickup even when larger-debris clogs occur.

Hard Floor — Large Debris Intake
Product 1: Roborock QV 35A Robot Vacuum...
4.6

Large debris on hard floors (rice, chips, noodles, clumps) is generally handled well, with reviewers commonly seeing most debris removed on the first pass and the rest on a second.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.7

Large-debris handling is generally good, but multiple reviews note edge cases where larger particles, thresholds, or entering/exiting the dock can lead to drops. Very large debris can also contribute to clogs on some floors.

Heating element
Product 1: Roborock QV 35A Robot Vacuum...
No score yet
Product 2: Ecovacs Deebot X9 Pro Omni...
4.6

Heated mop washing and heated-air drying are frequently highlighted, with some reviews noting adjustable wash/dry behavior. This is repeatedly framed as a premium feature that improves hygiene and reduces damp odors.

Innovation compared to competitors
Product 1: Roborock QV 35A Robot Vacuum...
3.8

Innovation is framed as value-focused rather than cutting-edge: reviewers highlight that it skips premium extras like AI camera object recognition, mechanical arms, hot-water washing, hot-air drying, and extendable edge tools. The upside is getting many flagship-like fundamentals at a lower price.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.7

Reviewers frequently call out the roller self-washing concept and BLAST airflow path as meaningful advances over older hybrids. It’s still in a competitive field (other brands have strong threshold handling or alternative mop designs), but the X9’s implementation is often viewed as one of the more complete packages.

Low-profile design
Product 1: Roborock QV 35A Robot Vacuum...
3.8

At roughly 3.8 inches tall, the robot is relatively low-profile, but not ultra-slim. Reviewers advise checking furniture clearance if under-sofa cleaning is a priority.

Product 2: Ecovacs Deebot X9 Pro Omni...
3.9

Internal LiDAR is positioned as a design win for getting into tighter spaces compared with tower designs. Measured height is still around the high-3-inch range, so ultra-low furniture may remain out of reach.

Maintenance requirements
Product 1: Roborock QV 35A Robot Vacuum...
4.1

Ongoing maintenance is described as manageable but real: periodic filter washing, sensor wiping, tray rinsing, and dirty tank cleaning are recurring tasks. The removable dock base/tray and clear in-app maintenance timers make upkeep easier.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.2

Routine upkeep is generally reduced thanks to dock automation and app reminders, but several reviewers still recommend periodic tank cleaning and occasional brush/roller clearing. Sticky, paste-like messes can create a bigger cleanup burden.

Map and Path Efficiency (Robot Vacuums)
Product 1: Roborock QV 35A Robot Vacuum...
4.5

Lidar-based mapping and straight-line pathing are consistently praised for neat, efficient coverage. Reviews mention quick mapping, multi-floor support, and accurate 3D-style maps, with predictable perimeter-then-grid cleaning behavior.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.0

Some reviewers describe fast, efficient coverage and strong navigation once maps are set. Others report inaccurate initial mapping (especially in larger rooms) and more manual tweaking than expected for a flagship.

Mop lifting system
Product 1: Roborock QV 35A Robot Vacuum...
4.5

Mop pads can lift roughly 10 mm when carpet is detected, helping prevent wet rugs. This lift behavior is mentioned across multiple reviews and is treated as reliable and useful.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.6

Multiple reviews mention automatic lifting behavior to protect carpets (mop lift, and in some descriptions additional component lifting). This generally helps with mixed-floor homes, though the robot is still limited on very tall thresholds or very thick rugs.

Mopping performance
Product 1: Roborock QV 35A Robot Vacuum...
4.2

Dual spinning mops (around 200 RPM) deliver strong scrubbing for routine grime and many stains, with adjustable water flow and the benefit of an onboard tank. For big messes, some smearing can occur and the robot may need extra passes or a manual assist because it lacks advanced dirt-detection re-mop logic.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.6

The self-washing roller mop is repeatedly called the standout feature, delivering strong scrubbing and excellent day-to-day hard-floor cleaning. A few tests found minor limitations (toe-kicks/appliances it can’t slide under, or slight stickiness/residue on messy stress tests), but it still ranks among the best.

Noise level
Product 1: Roborock QV 35A Robot Vacuum...
No score yet
Product 2: Ecovacs Deebot X9 Pro Omni...
4.4

Operational noise is generally described positively (quiet or unobtrusive), and some coverage suggests BLAST aims to improve performance without a big noise penalty. Few reviews provide direct measurements, so perceptions dominate.

Obstacle Avoidance (Robot)
Product 1: Roborock QV 35A Robot Vacuum...
3.9

Reactive tech obstacle avoidance is generally good for larger items (furniture, many toys) and can mark obstacles on the map, with adjustable sensitivity. Multiple reviews agree it struggles most with low, thin cables/wires and very small clutter, where bumps or run-overs can happen.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.2

Obstacle avoidance is generally rated above average, with good performance around common household items. Still, multiple reviewers report occasional real-world snags (chair legs, protrusions, or clutter), so it’s not consistently flawless.

Odor control
Product 1: Roborock QV 35A Robot Vacuum...
3.2

Odor risk centers on the dirty water tank and slow pad drying: several reviewers recommend emptying and rinsing the dirty tank frequently (some even add disinfectant) to prevent foul smells. Neglecting this step is repeatedly called out as a downside.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.8

Hot-air drying and regular mop washing are repeatedly credited with preventing the damp, mildew-like smell that some robot mops develop. A few owners still clean the dirty-water tank regularly to avoid odors.

Ongoing ownership costs (bags, filters, batteries)
Product 1: Roborock QV 35A Robot Vacuum...
No score yet
Product 2: Ecovacs Deebot X9 Pro Omni...
3.2

Ongoing costs can include disposable dust bags and detergent, and some reviews cite specific replacement pricing. This contributes to the sense that the X9’s total cost of ownership is premium, especially versus the X8.

Overall opinion
Product 1: Roborock QV 35A Robot Vacuum...
4.4

Overall sentiment is strongly positive for the price, especially around mapping accuracy, automation via the dock, and solid vacuum+mop performance. Most negatives are framed as expected tradeoffs in a cheaper model (no heated drying, limited edge reach, cable avoidance limits).

Product 2: Ecovacs Deebot X9 Pro Omni...
No score yet
Pet-Ready Features
Product 1: Roborock QV 35A Robot Vacuum...
4.2

Reviewers highlight pet-friendly touches like pet-area deep cleaning settings, strong day-to-day hair control, and solid mopping for muddy paw prints. Heavy carpet hair can still take extra passes and occasional brush cleaning.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.7

Pet-focused commentary is largely positive: tests show strong pet-hair pickup and many highlight pet-oriented app features. The main pet-related downside raised is that heavy hair and larger debris can still contribute to clogs in certain homes.

Price and Value
Product 1: Roborock QV 35A Robot Vacuum...
4.3

Value is a consistent theme: most reviews frame the QV 35A as a standout buy when priced under about $500 (and especially when discounted further). Several caution it is less compelling at higher prices because it lacks premium extras like heated wash/dry and edge-extension hardware.

Product 2: Ecovacs Deebot X9 Pro Omni...
3.5

Value is polarized: some reviewers say the performance and automation justify the splurge, while others recommend it only on sale or prefer the cheaper X8/competitors at full MSRP. The $200+ gap to close siblings is a recurring theme.

Privacy controls
Product 1: Roborock QV 35A Robot Vacuum...
4.8

Multiple reviews explicitly note there is no front-facing camera, and one comparison also states no microphone, which can be appealing for privacy-sensitive buyers. The tradeoff is less sophisticated object recognition than camera-based systems.

Product 2: Ecovacs Deebot X9 Pro Omni...
No score yet
Self-cleaning cycle
Product 1: Roborock QV 35A Robot Vacuum...
4.4

The dock’s mop washing is repeatedly praised, including agitation in the tray and the ability to remove/rinse the base for easier hygiene. Auto-emptying and tank refills add to the hands-off ownership experience.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.6

Both the robot and dock emphasize self-cleaning: the roller refreshes during runs, and the dock can wash and dry the mop and clean its basin. Reviewers still report occasional manual cleanup after unusually sticky or heavy messes.

Software-update support / feature longevity
Product 1: Roborock QV 35A Robot Vacuum...
4.3

Firmware updates are managed through the app, with options for checking or enabling auto-updates. Reviewers describe the update process as accessible and, in at least one case, already up to date out of the box.

Product 2: Ecovacs Deebot X9 Pro Omni...
No score yet
Solution / Liquid system
Product 1: Roborock QV 35A Robot Vacuum...
4.5

The liquid system earns praise for an onboard tank, frequent auto-refills at the dock, and a wide range of adjustable water flow levels. Tradeoffs called out include room-temperature water (no heating) and limited intelligence for automatically re-mopping heavily soiled areas.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.4

A detergent reservoir/auto-dispensing system and adjustable water output are noted across several reviews, enabling hands-off mopping. A few sources mention proprietary-solution recommendations or smaller solution tanks, which can increase refills or cost.

Stair Cleaning
Product 1: Roborock QV 35A Robot Vacuum...
4.7

Cliff/drop sensors are repeatedly mentioned and shown as effective at preventing falls near stairs and edges. Reviewers also note the sensors need occasional wiping to stay accurate.

Product 2: Ecovacs Deebot X9 Pro Omni...
No score yet
Storage footprint and upright-stand stability
Product 1: Roborock QV 35A Robot Vacuum...
3.8

The all-in-one dock adds a noticeable footprint and needs vertical clearance to remove tanks; one setup walkthrough recommends allowing substantial space above the dock for tank access.

Product 2: Ecovacs Deebot X9 Pro Omni...
No score yet
Streaking / Residue
Product 1: Roborock QV 35A Robot Vacuum...
3.6

A few tests show smearing can happen on muddy prints or when pads carry dirty liquid before they are washed. Users note that extra passes, better floor-direction settings, or more frequent pad washing can reduce residue.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.2

Many reviews report low water left behind and good streak control, and some highlight adjustable moisture settings. However, a few stress tests (jelly or flour-and-water paste) left mild residue or streaks, indicating outcomes depend on mess type and settings.

Stuck resistance
Product 1: Roborock QV 35A Robot Vacuum...
3.8

The robot generally navigates efficiently, but low cables/wires and certain tight areas can still cause issues. Reviewers recommend picking up clutter and using no-go zones, and the app may flag problem spots over time.

Product 2: Ecovacs Deebot X9 Pro Omni...
3.6

Reports vary from near trouble-free operation to frequent help alerts depending on home layout. Thresholds and odd obstacles can cause wedging or debris drops in some tests, while careful mapping/no-go zones improves reliability for others.

Suction and Airflow
Product 1: Roborock QV 35A Robot Vacuum...
4.3

Across reviews, 8,000 Pa suction is described as strong for the price and effective for day-to-day pickup on hard floors and rugs, with debris often cleared in one or two passes. Multiple reviewers say it performs similarly to pricier Roborock models in core vacuuming, but it still is not a full replacement for an upright on heavy carpet.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.6

Most reviews describe very strong pickup driven by Ecovacs’ BLAST airflow approach, with top-tier results on both hard floors and carpet. A few reviewers say the real-world improvement over the X8 is modest and that large debris can still trigger drops or clogs.

Suitability for heavy-duty use
Product 1: Roborock QV 35A Robot Vacuum...
3.6

Reviews caution that, like most robot vacuums, it is best for maintenance cleaning rather than heavy-duty deep cleaning. Homes with lots of thick carpet or extreme debris still benefit from occasional full-size vacuuming.

Product 2: Ecovacs Deebot X9 Pro Omni...
No score yet
Support and Reliability
Product 1: Roborock QV 35A Robot Vacuum...
3.9

Customer support is described as friendly and ultimately helpful, but slower than ideal, with back-and-forth email and multi-week resolution mentioned. Day-to-day reliability is generally praised, with the usual caveats around occasional snags and maintenance.

Product 2: Ecovacs Deebot X9 Pro Omni...
No score yet
Under-Furniture Pickup
Product 1: Roborock QV 35A Robot Vacuum...
3.9

Under-furniture access is good for typical clearances, with multiple reviews showing it can clean beneath some furniture. Its height around 3.8 inches means very low furniture may remain out of reach.

Product 2: Ecovacs Deebot X9 Pro Omni...
3.7

The internal LiDAR approach avoids a tall turret and helps it reach under more furniture than tower-based bots. Still, reviewers note the roller mop can’t slide under some low-clearance areas the way flat pads can.

Water tank
Product 1: Roborock QV 35A Robot Vacuum...
4.4

The clean/dirty tank setup is considered convenient and easy to remove, and the robot also carries an onboard water tank that gets refilled at the dock. Multiple reviews warn the dirty tank can smell if left too long, so frequent emptying/rinsing helps.

Product 2: Ecovacs Deebot X9 Pro Omni...
4.1

The clean/dirty tank setup is commonly described as easy to use, but there are tradeoffs: some miss transparent or externally visible tanks, some describe smaller/hidden tanks requiring more frequent refills, and dirty tanks can have corners that trap grime.