cat door
Worth a lookShows a $2.5M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size
Incredible$2.5M$2.5M/yr · 2.4M searches
Avg price
Incredible$25.79avg listing price — sweet spot $15–$100
Price range
Great$9.87–$74.13cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good65%top-5 brand share — brands hold most of the demand
Competition
Good46%top-5 click share — leaders hold, buyers still browse
Conversion
Good4.1%search→purchase rate — share of searches ending in a sale
Returns
Okay4.2%return rate — above 6% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad5,993.06avg incumbent reviews — the moat a new listing must climb
Growth
Bad-8.1%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, cat door is a $2.5M/yr Amazon United States market (2.4M searches/yr). The top 5 brands hold 65% of demand. Verdict: Worth a look — 57/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
cat door market data
- Units sold / yr
- 80K–100K
- avg 2,000–2,500/product
- Revenue / yr
- $2.1M–$2.6M
- units × avg price
- Launch success
- 70%
- 7 of 10 new (360d)
- Conversion rate
- 4.1%
- Avg BSR
- #27
- Page quality
- 0%
- Prime
- 97%
- Sponsored
- 94%
- Out of stock
- 5.3%
- Avg brand age
- 33 months
- Avg seller age
- 161 days
Competition & brand share
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.Brands
20 rising
Sellers
38
Top-5 brand share
65%
Top 20: 100%
Top-5 click share
46%
Top 20: 87%
Open market
30%
- Purrfect Portal23%
- PetSafe18%
- Depets10%
- ikuso8%
- CEESC5%
- EGETOTA5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -8.1% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top cat door search terms
- cat door1.1M/yr
- cat door interior door620K/yr
- cat doors83K/yr
- indoor cat door45K/yr
- interior cat door41K/yr
- cat doors for interior doors35K/yr
- cat door for interior door30K/yr
- cat door for wall33K/yr
- puerta para gatos24K/yr
- cat door interior22K/yr
Top cat door products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 35 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Purrfect Portal Meow Manor Cat Door Interior Door - No-Flap Fits Cats Up to 20 lbs Easy DIY Setup No Training Needed White
Purrfect Portal$29.754.9★7,459 rev

PetSafe Interior Cat Door: 2-Way Locking Indoor - Tinted Privacy for Cat Litter Box or Pet Feeder Built-in Lock to Control Access Durable Frame DIY Easy Install Hardware Kit Included White
PetSafe$13.144.4★16,280 rev

Depets Large Cat Door (Outer Size 9.9 x 9.2) 4 Way Locking Cat Flap Door for Interior Exterior Doors Weatherproof Pet Door for Circumference < 23
Depets$17.434.4★13,775 rev

ikuso Indoor Cat Door Cat Door for Interior Door Pet Doors for Cat Kitties and Kittens
ikuso$20.784.6★2,250 rev

goTeamghjkl Cat Door Flap (Outer Size 7.5 x 7.8) 4 Way Locking Medium Cat Door for Interior Exterior Doors Weatherproof Pet Door for Cats Doggie Kitty and Kittens with Circumference < 15.75
EGETOTA$12.034.4★4,627 rev
Newest
by launch date
PETCOMING Cat Door Cat Door Interior Door with Soft Magnetic Flaps Sliding Panel Closure Telescoping Tunnel Easy DIY Installation Kitty Door Exterior Cat Doors for Cats Up to 20 lbs Black
PETCOMING$23.1527 rev

Purrfect Portal Exterior and Interior Cat Door 4-Way Locking Magnetic Cat Flap for Solid & Hollow Core Doors Outdoor Pet Door for Cats & Small Dogs Easy Install Secure Exterior Cat Door
Purrfect Portal$35.6938 rev

Cat Door for Interior Exterior Door (Outer Size 9.8 x 9.3) 4-Way Locking Flap for Cats & Dogs(Circumference < 23) Weatherproof Pet Door White ABS Material (L)
Mkobon$11.9085 rev

Amazon Basics Adjustable Plastic Dog and Cat Door with 4 Way Lock Small 7.5 x 7.4 x 2.24 White
Amazon Basics$11.47260 rev

Cat Door Interior Doors Large - No-Flap No Training Needed Fits Cats Up to 25 lbs Easy Installation in Minutes Fits 1.25 to 1.75 Thick Solid & Hollow Doors
XREY$25.8673 rev
Trending
90-day click momentum
Amazon Basics Adjustable Plastic Dog and Cat Door with 4 Way Lock Small 7.5 x 7.4 x 2.24 White
Amazon Basics$11.474.3★

Purrfect Portal Exterior and Interior Cat Door 4-Way Locking Magnetic Cat Flap for Solid & Hollow Core Doors Outdoor Pet Door for Cats & Small Dogs Easy Install Secure Exterior Cat Door
Purrfect Portal$35.694.6★

Gnome Door Cat Door for Interior Doors - Stylish & Functional with No Flap Lockable and Easy Installation Spacious Large Kitty Door for Cats Up to 20 lbs Private and Comfortable Pet Door
Purrfect Portal$38.474.8★

Cat Door Interior Doors Large - No-Flap No Training Needed Fits Cats Up to 25 lbs Easy Installation in Minutes Fits 1.25 to 1.75 Thick Solid & Hollow Doors
XREY$25.864.6★

Purrfect Portal Meow Manor Extra Large Interior Cat Door No-Flap Pet Door for Interior Doors Easy DIY Installation Cat Door for Cats up to 30 lbs White
Purrfect Portal$40.154.8★
What buyers say about cat door
What buyers praise and complain about, mined from review topics.What buyers love
“Easy install”
“Other than that, the installation and overall quality are solid”
“As advertised”
“its snug”
“Cats love it”
“its really easy to put on does the job”
“Great value”
“I like that the door can lock”
“Well built”
“Super Sturdy”
What buyers complain about
“Breaks Easily”
“the locking mechanism is really difficult to use”
“Much smaller”
“Low quality, failed after 2 months”
“hard to work”
“Very weak”
“making it difficult to put together”
“Weak construction”
“cheap. but expensive”
“Terrible instructions”
Top return reasons
Common questions
- Is cat door profitable to sell on Amazon United States?
- The niche generates $2.5M/yr across 35 tracked products. 7 of 10 products launched in the last 360 days are still selling. 90-day search growth is -8.1%. Flapen's verdict: Worth a look (57/100).
- How competitive is the cat door niche?
- 20 brands and 38 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 65% of demand.
- What do buyers complain about in cat door?
- Top complaints mined from reviews: Durability, Locking Mechanism, Size-Overall. The return rate is 4.2%.
- When does demand for cat door peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the cat door niche?
- Listings span $9.87–$74.13; the average listing price is $25.79 (sweet spot $15–$100). The average incumbent carries 5,993 reviews — the moat a new listing must climb.