P1
Simplicity Vacuums Allergy Upright Vacuum, S20EZM
P2
Shark Rotator Lift-Away Vacuum
Average score
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
3.7
P2
Product 2: Shark Rotator Lift-Away Vacuum
3.8
Accessories and Tools
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.0
Tools are useful and available, but Amazon reviewers split over whether the included set is adequate.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.2
Attachment coverage was often praised for versatility, though several reviewers found some brushes basic, stiff, or missing.
Aesthetic design and finish
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.6
The finish and styling draw light but positive comments, with reviewers liking the color or clean design.
P2
Product 2: Shark Rotator Lift-Away Vacuum
3.3
Design impressions were modest: one review called it fine-looking, while another said color options were not a major draw.
Airflow blowback
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
1.5
Hard-floor debris blowback appears in negative Amazon feedback when litter was thrown back at the user.
P2Product 2: Shark Rotator Lift-Away Vacuum
No score yetArea Rug Handling
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
3.5
Area-rug handling is polarized: some rugs revived, while one flat-weave rug was damaged by the roller.
P2
Product 2: Shark Rotator Lift-Away Vacuum
2.8
Area-rug evidence was mixed to negative, including too much suction, awkward transitions, and one report of rug damage.
Assembly and Setup
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
5.0
Assembly is treated as very easy, with reviewers emphasizing the simple handle and hose setup.
P2
Product 2: Shark Rotator Lift-Away Vacuum
5.0
Setup was described as quick and clear, with parts clicking into place and obvious red release buttons.
Bag-full indicator
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
3.5
The bag-full indicator receives both praise for usefulness and complaints when it fails to reset.
P2Product 2: Shark Rotator Lift-Away Vacuum
No score yetBin and Bag
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.7
The bagged system is a strength because users like simple bag changes, contained dust, and steady suction.
P2
Product 2: Shark Rotator Lift-Away Vacuum
3.9
Bin feedback was mixed by variant: some reviewers liked large or easy-empty bins, while others found smaller bins filling quickly.
Build quality and durability
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.0
Build quality is disputed: video reviewers praise durable parts, while Amazon complaints cite cheap plastic and failures.
P2
Product 2: Shark Rotator Lift-Away Vacuum
3.7
Build quality varied by review and model, ranging from sturdy construction to complaints about newer internal build quality.
Carpet — High-Pile Pickup
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.7
High-pile and thick carpet performance is generally strong, helped by brush agitation and height adjustment.
P2
Product 2: Shark Rotator Lift-Away Vacuum
2.0
High-pile performance was a weak spot in the limited evidence, especially cereal pickup.
Carpet — Low-Pile Pickup
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.0
Low-pile carpet evidence is positive but less detailed, mainly tied to nap revival and general carpet cleaning.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.3
Low-pile and general carpet pickup was usually good to excellent, with one critic sharply disagreeing on carpet cleaning.
Carpet — Medium-Pile Pickup
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.8
Medium/all-pile carpet evidence is favorable, with reviewers calling the carpet performance outstanding or broadly ideal.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.7
Medium-pile carpet evidence was strong overall, including deep-clean scores near premium models.
Clogging and debris prevention
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
2.0
Clogging prevention is a weakness in Amazon feedback, with users reporting easy clogs and teardown hassle.
P2
Product 2: Shark Rotator Lift-Away Vacuum
2.0
Clogging evidence was limited but negative, tied to debris getting stuck around the front roller.
Comparative performance
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.5
Comparative comments often favor the Simplicity over Shark-type vacuums, though Rainbow-style deep cleaning can outperform it.
P2
Product 2: Shark Rotator Lift-Away Vacuum
3.6
Comparative evidence was mixed: the Rotator often won on value but sometimes trailed premium Shark, Dyson, or Electrolux models.
Controls and UI
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
3.5
Controls are mixed: the height dial is easy, but many users dislike the always-on roller and limited suction control.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.6
Controls were usually praised as intuitive, clearly marked, or conveniently placed.
Convertible handheld design
P1Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
No score yet
P2
Product 2: Shark Rotator Lift-Away Vacuum
3.9
Lift-away and handheld convertibility was a major theme, but non-powered Lift-Away limited some variants.
Cord length
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.0
Cord length is mixed across homes: some call it long, while others say larger spaces still require replugging.
P2
Product 2: Shark Rotator Lift-Away Vacuum
3.5
Cord length varied by model; 30-foot cords were praised, while 25-foot cords were repeatedly criticized.
Cord management
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.2
Cord management earns praise for simple wrapping and top cord routing, with some wishing for retractability.
P2
Product 2: Shark Rotator Lift-Away Vacuum
2.0
Cord-management evidence was limited and negative, focused on the cord getting in the way.
Crevice / Groove Pickup (Hard Floors)
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.5
Crevice pickup is praised when using the crevice tool for narrow gaps and hard-to-reach areas.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.1
Crevice and groove pickup ranged from perfect in some DuoClean tests to below average in other Rotator Pet evaluations.
Cyclone performance
P1Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
No score yet
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.2
Cyclone/no-loss suction evidence was limited but positive, tied to filters staying cleaner longer.
Debris illumination
P1Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
No score yet
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.5
Debris illumination was usually positive where LEDs were discussed as helping visibility.
Ease of use
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.2
Ease of use is mostly positive, though physical effort and control quirks keep it from being universally easy.
P2
Product 2: Shark Rotator Lift-Away Vacuum
3.8
Ease of use was often positive for basic vacuuming and conversion, but one critical review said it needed babysitting.
Edge and Baseboard Cleaning (Hard Floors)
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.2
Edge and baseboard cleaning gets positive mentions from both the attachment layout and edge-cleaning system.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.8
Edge and baseboard cleaning was consistently praised in the reviews that tested it.
Emptying and Mess Control
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.5
Emptying and mess control are strong because the bag avoids the dirty, dusty bin-cleaning process users dislike.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.2
Emptying was generally easy, but some reviewers noted smaller bins or frequent emptying.
Filtration / Dust Containment
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.6
Filtration and dust containment are among the strongest themes, especially for allergies and bagged dust control.
P2
Product 2: Shark Rotator Lift-Away Vacuum
5.0
Filtration scored strongly because reviewers repeatedly cited sealed HEPA systems and successful fog/smoke containment.
Floorhead design
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.0
The floorhead has strong agitation but mixed design feedback because the brush roll cannot be shut off.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.0
Floorhead evidence split between strong DuoClean large-debris pickup and criticism of front-roller airflow or agitation.
Floorhead Seal on Hard Floors
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
1.8
Hard-floor sealing is weak where reviewers report no squeegee effect and debris being thrown back.
P2
Product 2: Shark Rotator Lift-Away Vacuum
5.0
Hard-floor sealing evidence was limited but very positive for the DuoClean Pro floorhead.
Hair-removal channel issues
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
1.8
Hair-channel and brushroll serviceability is a concern where users cannot easily clean a locked beater bar.
P2
Product 2: Shark Rotator Lift-Away Vacuum
2.3
Hair-channel evidence was limited but negative, with clogs at the dustbin/hose or roller area.
Hair Pickup — Carpets
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.2
Carpet hair pickup is usually praised, especially for dogs, cats, and high-shedding homes.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.8
Carpet hair pickup was consistently strong across pet and human hair tests.
Hair Pickup — Hard Floors
P1Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
No score yet
P2
Product 2: Shark Rotator Lift-Away Vacuum
3.4
Hard-floor hair pickup was mixed: some tests were strong, but one CNET test found no pet-hair pickup with the brush off.
Hair‑Wrap / Tangle Resistance
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
1.8
Hair-wrap/tangle resistance is a concern in pet homes when long hair is linked to brushroll lockup.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.7
Hair-wrap resistance was one of the strongest recurring positives, though older Rotator testing showed tangling.
Hard Floor — Fine Dust Pickup
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
3.0
Fine dust hard-floor evidence is mixed, with some strong cleaning praise and other hard-floor complaints.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.4
Fine hard-floor pickup was often strong, especially pollen, sugar, sand/sawdust, and soft-roller dusting; one flour test underperformed.
Hard Floor — Large Debris Intake
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
1.5
Large-debris hard-floor intake is a weakness because users report thrown particles and litter blowback.
P2
Product 2: Shark Rotator Lift-Away Vacuum
3.8
Large hard-floor debris results were mixed: DuoClean designs excelled, while older or non-DuoClean tests struggled with cereal, leaves, or extra-large debris.
Headlight and LED lights
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.5
The headlight is consistently useful in positive feedback, though one reviewer questioned non-LED longevity.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.5
Headlights and LEDs were usually helpful or bright, though one consumer-summary review called them not very bright.
Hose length
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
3.8
Hose reach is mixed: videos praise long reach, while some owners find the attached hose too short or awkward.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.0
Hose reach ranged from very beneficial and long to too short in some Lift-Away or tool-use scenarios.
Innovation compared to competitors
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.8
Innovation centers on the five-level height system, described as unusual for uprights in this class.
P2
Product 2: Shark Rotator Lift-Away Vacuum
5.0
Innovation stood out in anti-tangle roller design, which reviewers framed as ahead of many competitors.
Kid-friendliness
P1Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
No score yet
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.0
Kid-friendliness evidence was narrow but positive, tied to larger cereal-type debris cleanup for parents.
Low-profile design
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.5
Low-profile reach is favorable when reviewers say it gets under furniture better.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.1
Low-profile performance was generally good for under-furniture access, but not universal.
Maintenance requirements
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
2.5
Maintenance is mixed-to-negative because belts, filters, and brushroll cleaning can require ongoing attention.
P2
Product 2: Shark Rotator Lift-Away Vacuum
3.3
Maintenance evidence was mixed: washable filters and anti-tangle brushes helped, but DuoClean rollers and filters still needed care.
Maneuverability and Handling
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
3.6
Handling is mixed: it rolls or maneuvers well for some, but weight and suction make pushing difficult for others.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.3
Maneuverability was mostly praised for swivel steering, with a few stiffness and handling caveats.
Noise level
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
2.5
Noise is a recurring concern, though a few users find the tone tolerable or quieter than prior vacuums.
P2
Product 2: Shark Rotator Lift-Away Vacuum
2.9
Noise was usually average to slightly loud; a few sources called it fairly quiet, but several measured around 78-80 dB.
Odor control
P1Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
No score yet
P2
Product 2: Shark Rotator Lift-Away Vacuum
3.5
Odor control was seen as useful when present, but scent longevity disappointed in one long-term home test.
Onboard tool storage
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.5
Onboard tool storage is a clear convenience when the tools stay accessible and easy to use.
P2
Product 2: Shark Rotator Lift-Away Vacuum
2.5
Onboard tool storage was a recurring limitation when attachments outnumbered storage spots.
Ongoing ownership costs (bags, filters, batteries)
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
2.5
Ownership costs are a concern because OEM bags, belts, and optional pet tools add expense.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.6
Ownership costs looked favorable where washable filters reduced replacement needs.
Overall durability/longevity
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
3.0
Longevity feedback is mixed, ranging from multi-year praise to early belt, hose, motor, and handle failures.
P2
Product 2: Shark Rotator Lift-Away Vacuum
3.0
Durability evidence split sharply, from sturdy, built-to-last impressions to one critical warning about longevity.
Overall opinion
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.7
Overall opinion is positive but not unanimous: reviewers praise cleaning power while noting convenience and durability tradeoffs.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.2
Overall opinion leaned positive for value, suction, and versatility, but not unanimous due to weight, carpet, and reliability concerns.
Pet-Ready Features
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.2
Pet-ready performance is a major strength for carpet hair and allergens, though long-haired pets can expose brushroll issues.
P2
Product 2: Shark Rotator Lift-Away Vacuum
5.0
Pet-hair performance was one of the clearest positives, especially on upholstery, carpets, and anti-tangle tests.
Price and Value
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.3
Value is generally favorable, especially against higher-end vacuums, but ongoing parts costs temper the score.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.3
Value was often a strength, especially versus pricier competitors, though some newer variants were criticized as overpriced.
Scratch resistance
P1Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
No score yet
P2
Product 2: Shark Rotator Lift-Away Vacuum
3.0
Scratch evidence was mixed, with one review warning about brush use on hardwood and another seeing no soft-roller scratching.
Self-propel feature
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.0
The forward-propel feel helps some users, but others still miss true self-propelled drive.
P2
Product 2: Shark Rotator Lift-Away Vacuum
2.1
The unadvertised self-propel pull was criticized as a strain or aggressive behavior on carpet.
Stair Cleaning
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
2.5
Stair use is limited by weight and lift-handle complaints despite useful step/edge attachments.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.5
Stair cleaning benefited from hoses, lift-away pods, and pet tools, though one review found the process awkward.
Storage footprint and upright-stand stability
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
3.5
Storage is mostly good thanks to compact footprint, though stability concerns appear in owner feedback.
P2
Product 2: Shark Rotator Lift-Away Vacuum
2.3
Upright stability drew concerns when using tools, with reviewers noting tipping or falling in some above-floor setups.
Suction and Airflow
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.7
Suction is the strongest recurring praise, with multiple reviewers calling it powerful or excellent.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.6
Reviewers generally praised suction and real-world cleaning, with some noting raw airflow was not always best-in-class.
Suitability for heavy-duty use
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.5
Heavy-duty suitability is good for frequent pet-home use when the unit stays intact, with workhorse praise from some owners.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.4
Heavy-duty suitability was supported by large-mess handling, strong power, and sturdy or professional build impressions.
Suitability for small spaces
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.5
Small-space suitability is strong because several users cite compact footprint and easy closet storage.
P2Product 2: Shark Rotator Lift-Away Vacuum
No score yetSupport and Reliability
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
3.5
Support and reliability are mixed: warranty backing and refunds help, but some service attempts disappoint.
P2
Product 2: Shark Rotator Lift-Away Vacuum
3.7
Warranty and support evidence was mixed, with longer warranties praised but one reviewer warning about warranty limitations.
Surface safety with attachments
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
2.8
Surface safety is a serious caveat because the active brush can damage rugs or beat one spot while using the hose.
P2
Product 2: Shark Rotator Lift-Away Vacuum
2.3
Surface-safety evidence was mixed, with warnings about scratches from brush use or sharp wand edges.
Tool-change simplicity
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.3
Tool changes are usually easy with the included setup, though compatibility with older attachments is limited.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.5
Tool and handle changes were generally described as easy, with clear releases and detachable parts.
Under-Furniture Pickup
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.5
Under-furniture pickup is favorable when the machine or tools reach beneath furniture well.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.1
Under-furniture reach was generally positive thanks to low-profile heads or Lift-Away setups, within depth limits.
Upholstery / Above-Floor Pickup
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
3.7
Above-floor pickup is mixed: hose suction can be strong, but upholstery and long cat hair disappoint some owners.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.2
Above-floor and upholstery cleaning was a strength with pet tools, though some reviewers found tool use awkward or brushes small.
Versatility
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.0
Versatility is good for carpets, tools, and above-floor cleaning, but hard-floor limitations reduce flexibility.
P2
Product 2: Shark Rotator Lift-Away Vacuum
4.5
Versatility was a central strength thanks to upright, canister/lift-away, tools, and multiple cleaning modes, despite powered-lift-away caveats.
Weight
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
2.9
Weight is one of the clearest tradeoffs, with users calling it substantial or hard to push despite cleaning power.
P2
Product 2: Shark Rotator Lift-Away Vacuum
3.7
Weight was one of the most context-dependent issues: some found it light for an upright, while others found it heavy.
Wool carpet compatibility
P1
Product 1: Simplicity Vacuums Allergy Upright Vacuum,...
4.0
Wool-rug evidence is limited but positive, with one owner saying wool rugs looked better after use.
P2Product 2: Shark Rotator Lift-Away Vacuum
No score yet