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Deal.ai › Compare

iRobot Roomba j7 Robot Vacuum vs Shark AV2501S AI Ultra Robot Vacuum

The Shark AV2501S is the better pick for most homes: it empties itself into a base that holds about 30 days of debris, has true HEPA filtration, and runs up to 120 minutes. The Roomba j7 is the stronger choice for messy floors, because its PrecisionVision camera recognizes and avoids cords and pet waste, and iRobot's mapping and Keep Out Zones are more mature. Build quality is a wash; both are plastic-bodied robots, and owner ratings for the j7 are middling at 3.9 out of 5, with some Shark owners reporting units that stopped working.

  • Choose the Roomba j7 if you have pets or clutter and want a robot that steers around cords and accidents instead of dragging them through the house.
  • Choose the Shark AV2501S if you want hands-off emptying, HEPA filtration for allergies, and long runtime without paying flagship money.

Prices

  • iRobot Roomba j7 Robot Vacuum: $250.00 at eBay (last seen Nov 9)
  • Shark AV2501S AI Ultra Robot Vacuum: $289.99 at Walmart (last seen Nov 11)
  • Difference: the iRobot Roomba j7 Robot Vacuum is $39.99 cheaper than the Shark AV2501S AI Ultra Robot Vacuum at the latest prices (Nov 9 and Nov 11)
iRobot
iRobot Roomba j7 Wi-Fi Connected Robot Vacuum

iRobot Roomba j7 Robot Vacuum

iRobot Roomba j7 Wi-Fi Connected Robot Vacuum

3.9(248 ratings)
$250.00at eBayChecked Nov 9
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Pros
  • Camera avoids cords, socks and pet accidents
  • Mature app with room scheduling and Keep Out Zones
  • Light and easy to carry between floors
  • Works with Alexa and Google Assistant
Cons
  • You empty the small bin after most runs
  • No HEPA filtration
  • Owner rating is only 3.9 out of 5
  • Shorter runtime than the Shark
Shark
Shark AV2501S AI Ultra Robot Vacuum

Shark AV2501S AI Ultra Robot Vacuum

5(1 rating)
$289.99at WalmartChecked Nov 11
See all prices and details
Visit Walmart
Pros
  • Self-empties for about 30 days
  • True HEPA filtration for allergy households
  • Up to 120 minutes with Recharge and Resume
  • Self-cleaning brushroll handles pet hair
Cons
  • No camera-based recognition of pet waste or cords
  • Heavy base takes up floor space
  • Some owners report reliability failures
  • Small internal bin between emptyings

What separates them

iRobot Roomba j7 Robot VacuumShark AV2501S AI Ultra Robot Vacuum
Self-emptyingNo. You empty the 0.11 gal onboard bin yourself.Yes. Bagless base holds about 30 days of debris.
Obstacle avoidancePrecisionVision camera recognizes cords, socks and pet waste and routes around them.LiDAR maps precisely and avoids objects day or night, but has no waste-recognition camera.
FiltrationStandard filter; not HEPA certified.True HEPA, captures 99.97% of particles down to 0.3 microns.
RuntimeRated around 85 minutes, then returns to charge.Up to 120 minutes with Recharge and Resume.
Navigation and mappingImprint Smart Mapping with multi-floor maps, Keep Out and Clean Zones.360° LiDAR mapping with No-Go Zones and Matrix Clean row-by-row passes.
BrushrollDual rubber brushes resist hair tangles.Self-cleaning brushroll claims 50% more pet hair pickup with no hair wrap.
WeightAbout 7 lb, easy to lift between floors.Robot plus base is heavier; the base alone is around 14 lb.
Owner satisfaction3.9 out of 5 from 248 ratings.Some owners report units that stopped working.

Price history

$489.00$38.00
Oct 28Nov 13
  • iRobot Roomba j7 Robot Vacuum: lowest $38.00 on Oct 28; $420.00 on Nov 13.
  • Shark AV2501S AI Ultra Robot Vacuum: lowest $259.99 on Oct 28; $417.65 on Nov 13.

Prices at every store

iRobot Roomba j7 Robot Vacuum

  • MercariNew

    In stock

    $420.00+ $18.95 shippingChecked 13 h ago
    Visit Mercari
  • ffrpoints.comNew

    In stock

    $895.00Checked 13 h ago
    Visit ffrpoints.com
  • eBayNew

    Availability unknownSold by cath751925 (100% positive, 13 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $250.00+ $65.76 shippingChecked Nov 9
    Visit eBay
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $549.00Free shippingChecked 13 h ago
    Visit Amazon

Store links may earn us a commission.

All 4 stores and price history →

Shark AV2501S AI Ultra Robot Vacuum

  • WalmartNew

    In stockSold by Verdi

    $289.99Free shippingChecked Nov 11
    Visit Walmart
  • Best BuyNew

    In stock

    $369.00Free shippingChecked Nov 10
    Visit Best Buy
  • eBayNew

    In stockSold by snaggit.shop

    $459.00Free shippingChecked Nov 11
    Visit eBay
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $417.65Free shippingChecked Nov 12
    Visit Amazon

Also available at

  • WalmartCheck price at Walmart
  • eBayCheck price at eBay

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All 13 stores and price history →

Specs compared

SpeciRobot Roomba j7 Robot VacuumShark AV2501S AI Ultra Robot Vacuum
BaglessYesYes
CordlessYesYes
For PetsYesYes
ColorBlackGray
Assistant SupportGoogle Assistant, Amazon AlexaGoogle Assistant, Amazon Alexa
Weight7 lb6.54 kg
Capacity0.11 gal—
Surface Type—All floor types, Carpets, Hard floors
Wet / Dry—No
Suction Power—Adjustable via SharkClean app
Cleaning Width—5.7 in
HEPA Certified—Yes
Show all 30 specsShow fewer specs
SpeciRobot Roomba j7 Robot VacuumShark AV2501S AI Ultra Robot Vacuum
Filtration Type—HEPA
Max Wattage—650 watts
Power Source—Cordless
Voltage—120 Volts
Depth—34.2 cm (13.5) (Robot Vacuum)
Height—30.0 cm (11.8) (Docking Station)
Width—34.0 cm (13.4) (Robot Vacuum)
Battery Life—120 minutes
Battery Charging Time—280 min
Battery Type

What reviewers say

iRobot Roomba j7 Robot Vacuum

  • 3.9 / 5248 ratings

Owners like the obstacle avoidance and mapped room cleaning, but the 3.9 rating reflects complaints about reliability and navigation quirks over time.

What people mention
  • Obstacle avoidancePraisedOwners say PrecisionVision usually steers around pet waste and cords.
  • MappingMixedRoom maps and zones are useful, but some owners report maps drifting or failing.
  • ReliabilityCriticisedA share of owners report units that stop working or need support within a year.
  • Bin sizeCriticisedThe small bin needs frequent emptying without a self-empty base.

Shark AV2501S AI Ultra Robot Vacuum

Owners like the hands-off self-emptying setup and the app, but many complain that pickup is weaker than expected and that hair tangles the brushroll. Some buyers report the unit stopped working.

What people mention
  • Debris pickupCriticisedBuyers say it leaves debris behind on some floors.
  • Brushroll tanglesCriticisedHair wraps around the brushroll and needs regular cutting off.
  • Self-empty basePraisedOwners value going weeks without emptying the bin.
  • FiltrationPraisedThe HEPA filter is seen as a plus for allergy sufferers.

Questions and answers

Which is better for a home with a shedding dog?
The Shark AV2501S. Its self-cleaning brushroll and HEPA filter handle hair and dander with less hands-on work. The j7 avoids accidents better, so pick it if your dog has indoor accidents.
Which one lasts longer?
Neither has a clear edge. The j7 has a middling 3.9 out of 5 owner rating, and some Shark owners report units that stopped working. Buy from a store with a solid return window and keep up with filter and brush cleaning.
Is the Shark worth stepping up to over the Roomba j7?
Yes if self-emptying and HEPA filtration matter to you. The j7 is the better fit if clutter and pet waste are your main worry, since its camera avoids them.
Do both work with Alexa and Google Assistant?
Yes. Both support voice commands for starting, stopping and scheduling cleans through the SharkClean and iRobot Home apps.
Which handles multiple floors better?
The j7. It stores multiple maps and is light enough to carry upstairs. The Shark's heavy base makes moving it between floors more of a chore.
Does the Shark really go 30 days without emptying?
The base holds about 30 days of debris for a typical home, but the robot's internal bin is small, so heavy shedding or big messes fill it sooner.

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—
Lithium Ion
Removable Battery—Yes
Vacuum Type—Robotic
Design Highlights—Self-emptying, Bagless
Noise Level—63.7 dBA (Max mode)
Typical Users—Pet owners
Storage Type—Self-empty base
HEPA Filter—Yes
Construction Material—plastic