Average score
P1
Product 1: Narwal Freo X Ultra Robot...
3.8
P2
Product 2: Eufy S2 Omni
4.3
Accessories and Tools
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.5
Included extras are solid for a flagship robot vacuum, with reviewers noting cleaning solution, fragrance modules, documentation, and extra dust bags in the box.
Adaptive chassis lift
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.7
The S2's chassis-lift feature is repeatedly presented as a major upgrade for plush rugs, thresholds, and higher-pile carpet handling.
Aesthetic design and finish
P1
Product 1: Narwal Freo X Ultra Robot...
4.7
Design and finish get frequent praise: the base station looks sleek/futuristic and hides the robot well compared with many bulky docks.
P2
Product 2: Eufy S2 Omni
4.7
Reviewers generally liked the modern, visible-tech design, translucent top, lighting, and premium styling, though the dock can be taller than some alternatives.
AI, Smart, App and Automation
P1
Product 1: Narwal Freo X Ultra Robot...
4.2
Automation features (dirt sensing / Freo mode, adaptive passes, scheduling, voice control integrations) are a major value-add, though ‘smart’ behavior can be inconsistent depending on firmware and setup.
P2
Product 2: Eufy S2 Omni
3.9
AI navigation, 3D mapping, floor-type recognition, and app controls are useful, but the deepest independent test found app customization and smart-home integration behind rivals.
Area Rug Handling
P1
Product 1: Narwal Freo X Ultra Robot...
3.1
Area rugs can be a pain point for some homes—fringe/corners may get caught or displaced, and cords near rugs increase snag risk.
P2
Product 2: Eufy S2 Omni
4.6
Area rug handling is a notable strength in several reviews, with the S2 lifting, avoiding tassels, and preventing rugs from bunching or getting pushed around.
Assembly and Setup
P1
Product 1: Narwal Freo X Ultra Robot...
4.7
Setup is generally described as straightforward (app pairing, Wi-Fi, mapping), though some users wanted clearer instructions and find map editing takes practice.
P2
Product 2: Eufy S2 Omni
4.6
Setup is consistently described as simple, with the app and base display guiding pairing, mapping, and first cleaning with little friction.
Bag-full indicator
P1
Product 1: Narwal Freo X Ultra Robot...
2.8
Some users note the app provides reminders for replacing disposable bags, but there isn’t always a clear, foolproof ‘full’ sensor experience compared with docked self-empty systems.
P2Product 2: Eufy S2 Omni
No score yetBattery and Charging
P1
Product 1: Narwal Freo X Ultra Robot...
4.3
Battery life is commonly reported as strong, with long runtimes and the ability to cover large areas; long, meticulous mopping cycles can still trigger recharge-and-resume in big spaces.
P2
Product 2: Eufy S2 Omni
4.2
Battery comments are mostly positive, but measured coverage varies sharply by suction level and real-world recharge time can be long.
Bin and Bag
P1
Product 1: Narwal Freo X Ultra Robot...
3.5
Onboard bin/bag system emphasizes containment and capacity via compression; convenient for allergies and quieter than dock emptying, but still requires manual bag/bin changes.
P2
Product 2: Eufy S2 Omni
4.4
The dustbin and bag system benefits from automatic emptying and strong dock suction, reducing hands-on bin work.
Build quality and durability
P1
Product 1: Narwal Freo X Ultra Robot...
4.8
Build quality is generally described as premium and well-assembled for both robot and dock, with sturdy plastics and solid fit-and-finish.
P2
Product 2: Eufy S2 Omni
4.5
Build quality impressions are positive, with reviewers calling the construction solid and the overall package premium.
Carpet — High-Pile Pickup
P1
Product 1: Narwal Freo X Ultra Robot...
4.4
High-pile carpet performance is reported as decent to strong in some testing, though climbing on/off thick rugs or thresholds can slow cycles.
P2
Product 2: Eufy S2 Omni
4.3
High-pile and thick-rug handling is a split point: several reviewers praised climbing and deep cleaning, while one lab-style test found carpet agitation underwhelming versus rivals.
Carpet — Low-Pile Pickup
P1
Product 1: Narwal Freo X Ultra Robot...
3.2
Low-pile carpet pickup is a recurring weak spot in some tests and user reports, especially for deeper grit and fine particles compared with top carpet-focused robots.
P2
Product 2: Eufy S2 Omni
3.7
Low/mixed carpet pickup is usable, but independent testing found it did not clearly outperform cheaper Eufy models or the older S1 Pro in deep-clean scoring.
Carpet — Medium-Pile Pickup
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.2
Medium-pile carpet evidence is limited but positive, with one review citing solid medium-pile results.
Child lock
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
3.8
Child lock exists on the station controls, though one reviewer noted it can reduce the touchscreen's practical usefulness.
Clogging and debris prevention
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.8
Cyclonic separation and filter cleanliness are strong recurring themes, with reviewers finding suction stayed strong and filters avoided clogging.
Comparative performance
P1
Product 1: Narwal Freo X Ultra Robot...
4.4
Comparisons often position it as stronger at mopping and hair handling than many rivals, but behind the best all-around flagships for dust auto-empty and consistent obstacle avoidance.
P2
Product 2: Eufy S2 Omni
4.0
Comparisons are mixed: the S2 improves on some Eufy weaknesses and beats some rivals in specific tests, but other flagships remain stronger for carpet, mopping feel, or value.
Controls and UI
P1
Product 1: Narwal Freo X Ultra Robot...
3.7
App is feature-rich (scheduling, room targeting, modes), but some users find map editing and zoom/room definitions finicky; base-station controls help for basic starts/stops.
P2
Product 2: Eufy S2 Omni
4.3
The app and station controls are generally easy to use, with clean navigation and touchscreen controls, but advanced customization is not class-leading.
Corner Cleaning (Robot)
P1
Product 1: Narwal Freo X Ultra Robot...
3.5
Corner cleaning is inconsistent: vacuuming corners can be strong thanks to dual side brushes, while mopping corners may still miss without an extending pad.
P2
Product 2: Eufy S2 Omni
4.5
Corner cleaning benefits from an extending side brush, though independent tests suggest the robot can still leave perimeter gaps depending on the run.
Crevice / Groove Pickup (Hard Floors)
P1
Product 1: Narwal Freo X Ultra Robot...
3.7
Crevice/groove pickup on tile and seams is above average in some testing but not perfect—fine grit can require an extra pass in deeper grooves.
P2
Product 2: Eufy S2 Omni
3.9
Groove and crevice evidence is positive for cracks but mixed for grout, where one test removed only part of the residue.
Cyclone performance
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.7
Cyclone performance is one of the clearest strengths: multiple reviewers praised multi-cyclone separation for maintaining airflow and keeping filters cleaner.
Dirty water sensor
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.2
Dirty-water sensing evidence comes mainly from the dock's intelligent dirt detection, which can trigger additional washing or cleaning when water is dirty.
Docking and Auto-Empty Reliability (Robot)
P1
Product 1: Narwal Freo X Ultra Robot...
3.2
Because there’s no dust auto-empty dock, reliability hinges on docking/charging and mop-service cycles, which are generally stable; the tradeoff is manual dust management.
P2
Product 2: Eufy S2 Omni
4.6
The dock is a major strength, handling auto-emptying, mop washing, drying, refilling, and hair-heavy debris with few clog complaints.
Dock noise
P1
Product 1: Narwal Freo X Ultra Robot...
4.0
Dock noise is generally described as low for washing/drying compared with auto-empty docks; water pumping can be the most noticeable sound.
P2Product 2: Eufy S2 Omni
No score yetDried-On Stain Removal
P1
Product 1: Narwal Freo X Ultra Robot...
3.9
Above-average dried-stain removal in several tests (coffee/juice and set-on messes), but not always the very top performer; jam/BBQ-style residues may require multiple runs.
P2
Product 2: Eufy S2 Omni
4.6
Dried-on stain removal is usually good for normal household stains, though heavy grout or extreme dried-mud testing is less certain.
Ease of use
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.7
Everyday use is easy, with scheduling, automatic routines, and low-touch maintenance repeatedly mentioned as benefits.
Edge and Baseboard Cleaning (Hard Floors)
P1
Product 1: Narwal Freo X Ultra Robot...
4.1
Edge/baseboard cleaning is improved by edge-focused behaviors and pad geometry, but reports vary—some praise edges while others still see missed mopping along tight baseboards.
P2
Product 2: Eufy S2 Omni
3.9
Edge and baseboard mopping is mixed: some reviewers liked the extending roller, while the most critical tester found visible wall gaps.
Edge‑Following Accuracy (Robot)
P1
Product 1: Narwal Freo X Ultra Robot...
3.9
Edge-following accuracy is generally strong during vacuuming paths (tight wall tracking), but mopping edge reach varies because the pads don’t extend outward.
P2
Product 2: Eufy S2 Omni
2.7
Edge-following accuracy is one of the weaker areas, with independent testing saying it rides too far from walls and sometimes avoids edges inconsistently.
Emptying and Mess Control
P1
Product 1: Narwal Freo X Ultra Robot...
3.5
Mess control is good when swapping disposable bags (less dust plume), but the lack of dock emptying means you must stay on top of periodic manual emptying/checks.
P2Product 2: Eufy S2 Omni
No score yetFiltration / Dust Containment
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.7
Dust containment and filtration are strong, with filters repeatedly staying clean after weeks of use and cyclonic separation keeping fine dust away from airflow.
Floor Drying Time
P1
Product 1: Narwal Freo X Ultra Robot...
3.0
Floor surface drying depends on settings and how often the dock refreshes pads; while pads dry at the dock, overall post-clean dryness can take longer on heavy/wet mopping modes.
P2Product 2: Eufy S2 Omni
No score yetFloorhead design
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.7
The floorhead design stands out for its wide roller mop, extending mop head, and dual-brush anti-tangle layout.
Floor shine after cleaning
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.8
Hard floors can look clean and shiny after mopping, though this evidence comes from one strong hands-on review.
Fresh Liquid Pickup Speed
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.5
Fresh wet-mess pickup evidence is positive in tomato sauce testing, where the robot picked up the mess without smearing.
Hair-removal channel issues
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.8
Hair-removal channel behavior is positive overall: reviewers reported no tangles and center-channel hair removal working as intended.
Hair Pickup — Carpets
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.7
Hair pickup on carpets is strong when the priority is hair management, even if carpet agitation is not always class-leading.
Hair Pickup — Hard Floors
P1
Product 1: Narwal Freo X Ultra Robot...
4.3
Hard-floor pickup is consistently strong for dust, cereal, and pet hair, with good overall coverage during vacuum+mop routines.
P2
Product 2: Eufy S2 Omni
4.5
Hard-floor hair pickup appears strong, with reviewers finding minimal buildup on the roller after cleaning.
Hair‑Wrap / Tangle Resistance
P1
Product 1: Narwal Freo X Ultra Robot...
4.8
Tangle resistance is one of the most praised features: multiple reviewers report little to no hair wrapping on the main brush, with only occasional side-brush cleanup.
P2
Product 2: Eufy S2 Omni
4.8
Hair-wrap resistance is one of the strongest consensus wins, especially for long-hair and pet households.
Hard Floor — Fine Dust Pickup
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.7
Fine dust pickup on hard floors is strong, including cocoa powder and fine-particle references, with no visible residue in several tests.
Hard Floor — Large Debris Intake
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.6
Large debris intake is strong on hard floors and mixed surfaces, with reviewers citing immediate pickup and good handling of cereal-like debris.
Headlight and LED lights
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.2
Lighting evidence is limited but positive, with one reviewer noting a light for dark areas and tight spaces.
Heating element
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.7
The station's heating functions are strong, with hot-water mop washing and hot-air drying repeatedly called out.
Innovation compared to competitors
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.5
Reviewers treated the S2 as innovative thanks to the fragrance system, cyclonic airflow, roller mop, and award/first-look attention.
Kid-friendliness
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.3
Kid-friendliness is supported mainly by chemical-free sanitizing and cleaner floors for children or pets, not by child-specific controls beyond lockout.
Large debris handling
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.6
Large debris handling is generally strong, with cereal, candy, and heavier debris picked up well in multiple tests.
Low-profile design
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.5
Low-profile performance is positive for the robot body, which can fit under beds or tighter furniture better than some taller models.
Maintenance requirements
P1
Product 1: Narwal Freo X Ultra Robot...
4.0
Maintenance load is reduced by mop washing/drying, but you still have recurring tasks: manage water tanks, periodically clean trays/brushes, and replace bags/filters/pads over time.
P2
Product 2: Eufy S2 Omni
4.6
Maintenance needs are low overall thanks to the dock, cyclonic filter, and anti-tangle brush, though roller-tray buildup and tank rinsing still matter.
Maneuverability and Handling
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.4
Maneuverability is generally smooth, with one reviewer praising movement quality and another noting mapping/path quirks around obstacles.
Map and Path Efficiency (Robot Vacuums)
P1
Product 1: Narwal Freo X Ultra Robot...
3.6
Mapping is usually accurate and paths are methodical, but multiple reviewers mention slower completion times and occasional room-splitting/zone quirks, especially in open layouts.
P2
Product 2: Eufy S2 Omni
4.2
Mapping is fast and detailed, but path efficiency is not perfect in obstacle-heavy testing.
Mop lifting system
P1
Product 1: Narwal Freo X Ultra Robot...
4.6
Mop pads lift around 12 mm on carpet in most reports, enabling vacuum+mop workflows with less risk of wet rugs; a few note slight dragging on some carpets/rug edges.
P2
Product 2: Eufy S2 Omni
4.6
The mop-lift system is a major strength, with 28 mm lift and carpet avoidance repeatedly mentioned, though one review wished for a mop cover.
Mopping performance
P1
Product 1: Narwal Freo X Ultra Robot...
4.4
Strong, mop-first performance: triangular spinning pads with higher pressure and frequent pad washing deliver consistently good hard-floor cleaning; thick/sugary messes and grout can still take extra passes.
P2
Product 2: Eufy S2 Omni
4.5
Mopping is one of the best-supported strengths, especially on hard floors, visible stains, and everyday LVP/tile cleaning.
Noise level
P1
Product 1: Narwal Freo X Ultra Robot...
4.6
Day-to-day running noise is repeatedly called out as very quiet for a flagship combo, making it easier to run while working or sleeping.
P2
Product 2: Eufy S2 Omni
3.1
Noise is a drawback: reviewers measured or noticed above-average sound, especially on maximum suction.
Obstacle Avoidance (Robot)
P1
Product 1: Narwal Freo X Ultra Robot...
3.4
Obstacle avoidance is mixed: some reviews praise general navigation around clutter, but cords are a common failure mode and a few tests report poor avoidance of low objects.
P2
Product 2: Eufy S2 Omni
4.1
Obstacle avoidance is useful but not flawless; some reviewers saw excellent avoidance, while independent testing found everyday clutter still gets pushed.
Odor control
P1
Product 1: Narwal Freo X Ultra Robot...
4.3
Odor control is generally good thanks to mop drying and dirty-water handling; several reviewers report minimal lingering smell after mopping cycles.
P2
Product 2: Eufy S2 Omni
4.3
Odor control is polarizing: the dock sanitation and fragrance can help, but some reviewers found the scent too weak to matter.
Ongoing ownership costs (bags, filters, batteries)
P1
Product 1: Narwal Freo X Ultra Robot...
3.5
Ongoing costs include replacement detergent, dust bags (if used), mop pads, and filters; costs are manageable but should be expected for long-term ownership.
P2Product 2: Eufy S2 Omni
No score yetOverall cleaning convenience
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.6
Overall cleaning convenience is high because the dock, mapping, self-cleaning mop, and scheduled operation reduce hands-on work.
Overall durability/longevity
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.7
Longevity evidence is positive, centered on sustained suction, clean filters, and claims/tests showing no quick performance drop.
Overall opinion
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.5
Overall opinion is favorable but nuanced: most reviewers praised the S2, while the strongest independent review framed it as specialized rather than universal.
Packaging quality
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.6
Packaging evidence is brief but positive, with one reviewer saying everything was well packed.
Pet-Ready Features
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.7
Pet-readiness is supported indirectly through hair management, pet waste avoidance, pet hair pickup, and odor/sanitation features.
Price and Value
P1
Product 1: Narwal Freo X Ultra Robot...
3.3
Value perception depends heavily on sale price: many like the performance and mop automation, but several call MSRP expensive given no dust self-empty and mixed obstacle avoidance.
P2
Product 2: Eufy S2 Omni
3.2
Price and value are the clearest caveats: several reviews noted the high $1,599.99-class price and questioned value versus cheaper or competing models.
Privacy controls
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.0
Privacy evidence is limited but positive for buyers who dislike camera-style monitoring, since one reviewer noted there is no video monitoring mode.
Runtime
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
3.5
Runtime is adequate but context-dependent; coverage can be large on low suction and much lower on max suction.
Sanitizing performance
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.7
Sanitizing performance is widely emphasized, especially electrolyzed or ozonated water and claimed 99% to 99.99% bacteria/pathogen reduction.
Self-cleaning cycle
P1
Product 1: Narwal Freo X Ultra Robot...
4.5
Dock-driven self-cleaning is a core strength: automatic mop pad washing and heated/air drying reduce odors and day-to-day mop maintenance; some note longer cycles due to frequent washing.
P2
Product 2: Eufy S2 Omni
4.7
Self-cleaning is a core strength: the roller cleans in real time and the dock washes, dries, and prepares the mop after runs.
Software-update support / feature longevity
P1
Product 1: Narwal Freo X Ultra Robot...
3.0
Several reviewers expect software/firmware updates to improve smart behaviors (like DirtSense and avoidance). Current experience varies, so longevity depends on ongoing support.
P2
Product 2: Eufy S2 Omni
4.2
Software support evidence is positive but early, with one pre-production reviewer seeing frequent firmware fixes.
Solution / Liquid system
P1
Product 1: Narwal Freo X Ultra Robot...
4.0
Detergent/solution support is a differentiator (often included and auto-dispensed). Some reviewers like the cleaning boost; others dislike being nudged toward proprietary refills.
P2
Product 2: Eufy S2 Omni
4.6
The liquid system is advanced, with auto detergent, clean/dirty water handling, and electrolyzed water.
Storage footprint and upright-stand stability
P1
Product 1: Narwal Freo X Ultra Robot...
3.0
Base station is often described as sleek but sizable; placement is easiest where the dock footprint and water-tank access aren’t in the way.
P2
Product 2: Eufy S2 Omni
4.1
Storage footprint is mixed: the station is narrow or compact to some reviewers, but taller and more wall-space-hungry to another.
Streaking / Residue
P1
Product 1: Narwal Freo X Ultra Robot...
3.5
Residue/streaking is generally controlled thanks to pad design and detergent options, but sticky sauces/honey can leave light tackiness that needs extra passes or manual spot work.
P2
Product 2: Eufy S2 Omni
4.7
Streaking and residue performance is strong in most hard-floor tests, with reviewers repeatedly reporting no visible streaks, residue, or smearing.
Stuck resistance
P1
Product 1: Narwal Freo X Ultra Robot...
2.8
Stuck resistance is usually solid, but there are reports of getting hung up on certain furniture bases or snag-prone situations (especially around cords and rug edges).
P2
Product 2: Eufy S2 Omni
4.4
Stuck resistance is positive on thresholds, rugs, and obstacles, though not every obstacle-avoidance test was flawless.
Suction and Airflow
P1
Product 1: Narwal Freo X Ultra Robot...
4.3
Suction is widely described as powerful for a combo unit (often cited around the 8,200 Pa class) with good surface pickup; some reviews still want stronger carpet boost behavior.
P2
Product 2: Eufy S2 Omni
4.8
Suction and airflow are major strengths, with 30,000 Pa, 100 air watts, and sustained airflow repeatedly highlighted.
Suitability for heavy-duty use
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
3.7
Heavy-duty suitability is good but not absolute; it can tackle demanding rugs and heavy use, but sustained max boost and deep shag can still be caveats.
Support and Reliability
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
3.3
Support and reliability are mixed: firmware updates were active, but a preorder recall and short warranty caveat reduce confidence.
Under-Furniture Pickup
P1
Product 1: Narwal Freo X Ultra Robot...
3.2
Low-profile robot can reach many under-furniture areas, but a few reviewers note occasional avoidance of certain furniture bases or tight clearances.
P2
Product 2: Eufy S2 Omni
4.6
Under-furniture pickup is positive, with reviewers saying it fits under most furniture and cleaned under beds that prior robots missed.
Value-for-money
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
3.4
Value-for-money is mixed: the S2 is premium and capable, but reviewers questioned whether it justifies its price over Eufy's cheaper models or other flagships.
Versatility
P1Product 1: Narwal Freo X Ultra Robot...
No score yet
P2
Product 2: Eufy S2 Omni
4.6
Versatility is strong across vacuuming, mopping, carpet adaptation, hard floors, thresholds, schedules, and multi-room cleaning.
Water tank
P1
Product 1: Narwal Freo X Ultra Robot...
3.8
Clean/dirty water tank system works well but can be water-hungry on frequent cleaning—some users report refills every 1–3 days depending on home size and settings.
P2
Product 2: Eufy S2 Omni
4.1
Water tank usability is mostly good, with clear clean-water visibility and large reservoirs, though dirty tanks can develop odor without rinsing.