Cat Door Interior Door for Kitties, Pet Door for Hollow Door, Kitty Door, Indoor, Secured Installation in Minutes, No-Flap（White） Review

By Marcus Bell · Dog nutrition editor · Published 2026-06-04 · Updated 2026-07-05

4.5 (243) Amazon rating$18.99

Our verdict

This interior door insert is a budget friendly way to give a cat their own hollow door passage, backed by a 4.5 star rating even though its review count is still fairly small.

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Best for

Owners who want a simple, low cost way to let a cat pass through an interior hollow door, such as into a litter box room.

Skip if

You have a larger cat near or above the 20 lb capacity, or you want a bigger review history to lean on before buying.

Priced 41% below the category median ($31.95 across 49 tracked models)

Our scorecard

4.4/5 overall

Owner rating4.5/5

4.5 average across 243 owner ratings
Popularity1.5/5

243 owner reviews, fewer than most models here

The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other dog and cat food, health, gear and grooming we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.

Overview

['The PUPIHOM interior cat door is built for hollow interior doors, marketed on the listing as a no-flap design that installs in minutes. It measures 7.08 x 7.08 inches and is made from ABS plastic, with a white finish.', "At $18.99, it's one of the more affordable interior cat doors in this category, rated for cats up to 20 lbs. It fits panels from 0.09 to 1.16 inches thick, which covers most standard hollow interior doors.", 'With 243 reviews and a 4.5 star average, it has a positive but still fairly limited track record compared to some longer established interior door brands.']

Pros

Budget friendly price for an interior cat door
Marketed as a quick, minutes long installation
Fits cats up to 20 lbs
4.5 star average across 243 reviews

Cons

Smaller review count than more established interior door brands
Limited to cats up to 20 lbs
Fits a narrower thickness range than telescoping frame designs

Performance notes

Built from ABS plastic and sized at 7.08 x 7.08 inches, this door fits panels from 0.09 to 1.16 inches thick, a range suited to hollow interior doors rather than solid exterior doors or thick walls.

What buyers say

A 4.5 star average across 243 reviews is a strong result, though the review count is on the smaller side compared to bigger names in the interior cat door space.

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