The Best Interior And Exterior Cat Doors And Flaps Reviewed

Cats’ moods change like the wind, and they’ll often do whatever they want, whenever they want.

One of the best ways to set some ground rules and, at the same time, allow your furball some freedom is to get a cat door or flap for your house or apartment. There are both interior door and exterior door options.

One of the best uses for these flaps is ensuring your feline pal has constant access to its litter box even when it’s located in another room. This way, you won’t have to install feeding, water, and “toilet” stations for the cat in every room.

When you have a household full of pets, you may want to restrict their access to certain places. Cat doors with locking options are the best ones in such cases.

Entrance doorway flaps help your cat satisfy its innate curiosity. Felines need to explore, and unless you’re taking your cat for a walk on a leash, allowing it to roam your yard is a way to show you care.

Of course, if not restricted, it can wander off and contract fleas or other pests and diseases. Or it could attract other neighborhood cats. In this particular case, electromagnetic cat doors can be a life-saving experience.

ANYWAY… it’s time to break down the best of the best to help you make the best decision for your situation.

Our review process is unbiased and based on extensive research. If you buy through the links on our site, we may earn a commission.

The Best Cat Doors And Flaps Reviewed

There are numerous manufacturers of pet doors these days. Fortunately, we’ve researched for you. Here’s our list of the best cat doors and flaps out there.


Ideal Pet Products Flap Door – Exterior

Ideal Pet Products Flap Door – Exterior
  • Magnetic flap for sealing
  • Lockout side panel to keek your cat in or out
  • 4 sizes to accomodate pets from 2 to 120 lbs

Affordable, easy to install, and available in various sizes – these are just three of the multiple advantages of this flap door.

The clear vinyl flap panel and magnetic closing mechanism ensure a perfect seal. It’s ideal for an entrance door and suitable for every season. With its impact-resistant ABS frame, this sturdy cat door is a great option for any feline breed.

The smallest available size is for tiny furballs, whereas the largest one will easily fit notoriously large cats like the Maine Coon.

Unlike the typical cat flap door, this one comes with a durable lock-out slide which you can use whenever you need to restrict your furry pal’s outdoor adventures. Lastly, the transparent vinyl flap will easily help the kitty see what’s on the other side of the door.

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Cat Mate Electromagnetic Door – Exterior

  • Collar “id” magnet keeps unwanted visitors out
  • 4-way locking system: In only, Locked, Unlocked, Out only, or In Only
  • Transparent flap for visibility

We mentioned electromagnetic cat doors earlier, and this is the best one you’ll find on the market. Compared to regular cat doors and flaps, Cat Mate is a bit expensive, but for justified reasons.

So, how does it work? It allows access only for the animal wearing a special collar magnet, included in the package.

When cats are in heat or making friends, they can sometimes bring along other animals, regardless of their otherwise territorial behavior.

An electromagnetic door keeps all unwelcome guests out of your reach. It also keeps your own pet strictly indoors as long as it’s locked or if you’ve simply removed the collar magnet from your kitty. Reliable, durable, and steady, this door offers comfort and peace of mind like no other.

It has a four-way locking system, and the mechanism is silent enough to not bother you or your cat. What’s more, it can also easily fit into an interior door depending on where you need to allow or restrict feline access.

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Purrfect Portal Cat Door – Interior

  • Creates a passageway that only your cat can pass through
  • Keeps dogs and children away from kitty’s private space
  • Interior doors only

Unlike other flap doors, Kitty Pass is actually a passageway designed for interior doors only.

One of the best features of this passageway is the fact that your pet’s tail will never get accidentally caught and squeezed between the flap and the frame. On top of that, the kitty will be able to easily see what’s on the other side of the door.

The cute frame is double-sided, depending on which way you want the passage to be facing. The front comes with pointed ears, whereas the back has a curved tail facing upwards.

It’s designed to fit any breed’s size and is suitable for felines weighing up to 21 lbs. The clean, polished design will match any home décor and is easier to install than standard pet doors. Moreover, it comes with a handy cutting template.

The only disadvantage is the fact that it doesn’t have the option of restricting your cat from passing through it.

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PetSafe 2-Way Locking Interior Flap Door – Interior

  • 2-way option: Locked or Open
  • For interior access places only
  • Less expensive option for those on a budget

While PetSafe offers a plethora of cat doors and flaps, this particular one is their best option for interior doors.

It has a durable plastic frame with a two-way slide locking option for the flap installation. The flap itself is suitable for pets under 15 lbs.

What makes this flap great is the fact that it’s absolutely affordable even for those pet parents who are on an extremely tight budget, but still wish to get a high-quality product. Furthermore, it can be easily installed in interior doors, as well as in cabinet doors, depending on where you wish to extend your kitty’s access.

It’s also suitable for people residing with felines and canines. It can keep larger dog breeds at bay while allowing the kitty to move around freely.

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Before you get a cat door or flap for your precious feline furball, check the thickness of your doors, as well as the opening size of the door itself. You need to make sure the product will suit your home and your feline pal’s size.

Emily Parker

Emily Parker is the Content Manager at Catological. She's passionate about helping cat parents love their cats better by providing the best information and recommendations about everything you'll need to know about your cat, from kitten to senior years. She believes natural, biologically-appropriate products are best...why wouldn't you provide the best for a member of your family?!