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Modkat Flip vs IRIS Oval Top Entry Cat Litter Box with Litter Catching Lid, Privacy Walls and Scoops

Buy the Modkat Flip if you want a covered box that controls odor and spray, and you can spend about $100. Buy the IRIS Oval Top Entry if you want a cheap, simple top-entry box at $27.99. As of November 5, 2026, the Flip is $99.99 at Modkat and the IRIS is $27.99 at Walmart, so the IRIS costs about $72 less.

Today the IRIS Oval Top Entry Cat Litter Box with Litter Catching Lid, Privacy Walls and Scoops costs $72.00 less at its best price.

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Modkat
Modkat Flip

Modkat Flip

4.8· 3,970 ratings
$99.99at ModkatObserved at 7:01 AM
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Choose the Modkat Flip if you have a high-peeing or spray-prone cat and want a tall, seamless covered box with a reusable liner and replaceable charcoal filters.

Pros
  • Tall seamless base keeps urine and spray inside.
  • Magnetic flip lid stays open for scooping and closes for odor control.
  • Reusable liner lasts up to 3 months and makes dumping easy.
  • Charcoal filters are replaceable.
  • Rated 4.8 out of 5 from 3,970 ratings.
Cons
  • Costs about $72 more than the IRIS.
  • Some owners of extra-large cats say it is too small for them to turn around.
  • Liner refills are an ongoing cost.
  • Only one store prices it new.
IRIS USA
IRIS Oval Top Entry Cat Litter Box with Litter Catching Lid, Privacy Walls and Scoops

IRIS Oval Top Entry Cat Litter Box with Litter Catching Lid, Privacy Walls and Scoops

4.5· 345 ratings
$27.99at AmazonObserved at 2:08 AM
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Choose the IRIS Oval Top Entry if you want a low-cost top-entry box with a litter-catching lid and you don't need a liner or odor filter.

Pros
  • Costs $27.99, the cheapest option here.
  • Top entry keeps dogs out and gives cats privacy.
  • Holes in the lid catch litter and drop it back in.
  • Scoop hangs on a molded hook on the body.
  • Rated 4.5 out of 5 from 345 ratings.
Cons
  • No odor filter.
  • No liner; you scoop and wipe the plastic.
  • Top entry can be hard for older or arthritic cats to jump into.
  • Smaller oval body may not suit large cats.

What separates them

Modkat FlipIRIS Oval Top Entry Cat Litter Box with Litter Catching Lid, Privacy Walls and Scoops
Price$99.99 at Modkat as of November 5, 2026$27.99 at Walmart as of November 5, 2026
EntryFront entry, 8.25 x 9.5 in opening, 6.75 in off the floorTop entry through an oval opening in the lid
DesignCovered with a magnetic three-position flip lidCovered oval body with privacy walls and a top lid
Odor controlReplaceable charcoal filters plus a closed lidEnclosed top only; no filter
LinerPatented TabFit liner system; reusable liner lasts up to 3 monthsNo liner; wipe-clean plastic
Litter trackingFront step contains litter at the entryHoles in the lid act as a built-in mat
Size and weight20.5 x 15.75 x 16.8 in, 7.0 lbsOval, compact, lighter plastic body
IncludedLiner, hanging scoop, filter holder, 2 charcoal filtersScoop with a molded hook on the body

Price history

$99.99$27.99
Nov 1Nov 5
  • Modkat Flip: lowest $99.99 on Nov 1 at Modkat; $99.99 on Nov 2.
  • IRIS Oval Top Entry Cat Litter Box with Litter Catching Lid, Privacy Walls and Scoops: lowest $27.99 on Nov 5 at Amazon.

Prices at every store

Modkat Flip

  • ModkatNew

    In stockReturn policy

    $99.99Observed at 7:01 AM
    Visit store

Also available at

  • AmazonCheck price at Amazon
  • Chewy.comCheck price at Chewy.com
  • ModkatCheck price at Modkat
Prices and history →

IRIS Oval Top Entry Cat Litter Box with Litter Catching Lid, Privacy Walls and Scoops

  • AmazonNew

    Availability unknown

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

    $27.99Free shippingObserved at 2:08 AM
    Visit store

Also available at

  • WalmartCheck price at Walmart
Prices and history →

Specs compared

SpecModkat FlipIRIS Oval Top Entry Cat Litter Box with Litter Catching Lid, Privacy Walls and Scoops
ColorWhite, Black, GrayBlack
Self CleaningNo—
Height16.8 in (42.5 cm)—
Length20.5 in (52 cm)—
Width15.8 in (40 cm)—
Cleaning MethodScooping, Wipe clean—
Cleaning FrequencyReusable Liner lasts up to 3 months—
Material Typeplastic—
Odor Control TypeOdor filters—
Odor Control Filter TypeOdor filters—
Capacity24 lbs (10.9 kg) (lid capacity)—
Waste Management TypeReusable liner—
Show all 35 specsShow fewer specs
SpecModkat FlipIRIS Oval Top Entry Cat Litter Box with Litter Catching Lid, Privacy Walls and Scoops
Design TypeCovered—
HoodedYes—
Cover Type3-position lid—
Entry TypeFront entry—
RimsHigh walls—
Hood TypeFlipping lid—
Design HighlightsSeamless base prevents leaks—
StyleModern, Covered—
Weight7.0 lbs (3.5 kg)—
Configuration

What reviewers say

Modkat Flip

Rated 4.8 out of 5 from 3,970 ratings, the Flip is well liked for odor control and for keeping high-peeing cats inside the box. Owners also call the liner system easy to clean and the lid easy to scoop through. The main complaint is size for extra-large cats.

Pros
  • Contains odor and spray from high pee-ers
  • Durable, reusable liners that are easy to dump
  • Magnetic lid does not fall during scooping
  • Cats adapt quickly, including large cats
Cons
  • Wish it were slightly larger
  • One extra-large cat could not turn around and the box was returned

IRIS Oval Top Entry Cat Litter Box with Litter Catching Lid, Privacy Walls and Scoops

Owners rate it 4.5 out of 5 across 345 ratings. Most praise the litter-catching lid and the dog-proof top entry. Complaints center on the jump in for older or large cats and on litter tracked onto the lid.

Pros
  • Cuts down on litter tracked across the floor
  • Keeps dogs out of the box
  • Easy to lift the lid and scoop
  • Good value for the price
Cons
  • Hard for senior or arthritic cats to climb in
  • Cramped for big cats
  • Some litter dust escapes the lid holes

Questions and answers

Which is better for a cat that pees high?
The Modkat Flip. Its 16.8 in height and seamless base are built to keep spray inside. The IRIS top entry is shorter and has no high-wall design.
Is the Modkat Flip worth the extra $72?
Yes if odor control and spray containment matter to you. The Flip adds charcoal filters, a reusable liner and a taller base. The IRIS is the better pick on a tight budget.
Which is better for a large cat?
The IRIS oval gives more open floor room for its size, but some owners of extra-large cats found the Flip too small to turn around in. Measure your cat against the Flip's 17.5 x 13 in base before buying.
Which is easier to clean?
The Flip. The magnetic lid opens fully and the liner lifts out for dumping. The IRIS lid hooks off for scooping, but you wipe the bare plastic.
Which controls litter tracking better?
Both use a step or holes to knock litter off paws. The Flip's front step and the IRIS lid holes work on the same idea; neither is clearly better.
Do both work for kittens or senior cats?
The Flip's low front entry at 6.75 in is easier for kittens and older cats. The IRIS requires jumping onto the top, which can be hard for seniors.

More comparisons

  • Modkat Flip vs Modkat XL
  • Modkat Flip vs Aphyxen Stainless Steel Enclosed Cat Litter Box with Lid Modular Design with Scoop, X-Large, Grey
  • Modkat vs Modkat Flip
  • Modkat Flip vs Nature's Miracle Hooded Corner Multi-Cat Litter Box with Charcoal Filter, X-Large
  • Modkat vs IRIS Oval Top Entry Cat Litter Box with Litter Catching Lid, Privacy Walls and Scoops

Buying guides that pick them

  • Best covered cat litter boxes
  • Best top-entry cat litter boxes for large cats
Single Unit
—
Included AccessoriesHanging litter scoop, Reusable Liner—
Base dimensions17.5 x 13 in (44.5 x 33 cm)—
Entry width x height8 x 9.5in. (20.3 x 24.1 cm)—
Entrance height from floor6.75 in (17.1 cm)—
Lid capacity24 lbs (10.9 kg)—
Liner typeType-F Liner—
Liner lifespanup to 3 months—
Lid positions3-position lid—
Materialplastic—
Inner dimensions47.5 x 36 x 38 cm—
Scoop dimensions30 x 12 x 3 cm—
size—Oval
actual_color—Black/Gray