cat door for exterior door
Skip itSoft demand (-33.6% this quarter) — this niche doesn't clear our bar today.
Avg price
Incredible$31.26avg listing price — sweet spot $15–$100
Price range
Great$9.87–$74.13cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good47%top-5 click share — leaders hold, buyers still browse
Brand share
Okay78%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Conversion
Okay3.2%search→purchase rate — share of searches ending in a sale
Market size
Okay$192K$192K/yr · 194K searches
Returns
Okay5.9%return rate — above 6% kills the launch gate
Review moat
Bad6,277.57avg incumbent reviews — the moat a new listing must climb
Growth
Bad-33.6%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, cat door for exterior door is a $192K/yr Amazon United States market (194K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Oct–Nov. Verdict: Skip it — 42/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
cat door for exterior door market data
- Units sold / yr
- 8K–10K
- avg 250–500/product
- Revenue / yr
- $250K–$313K
- units × avg price
- Launch success
- —
- 2 of 4 new (360d)
- Conversion rate
- 3.2%
- Avg BSR
- #34
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 93%
- Out of stock
- 0.0%
- Avg brand age
- 37 months
- Avg seller age
- 162 days
Competition & brand share
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.Brands
15 falling
Sellers
46
Top-5 brand share
78%
Top 20: 100%
Top-5 click share
47%
Top 20: 90%
Open market
18%
- PetSafe27%
- Depets23%
- CEESC17%
- MAVRICFLEX5%
- Wordcam5%
- MAVRICTECH4%
- Open — no brand owns it (9 brands, 18%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -33.6% search growth over the last 90 days.Peak months: Oct, Nov · busiest ÷ quietest = 2.4×
Top cat door for exterior door search terms
- cat door exterior door14K/yr
- cat door for exterior door94K/yr
- exterior cat door15K/yr
- cat door exterior8K/yr
- cat door for garage door12K/yr
- cat doors for exterior doors12K/yr
- locking cat door7K/yr
- outdoor cat door6K/yr
- insulated cat door6K/yr
- one way cat door4K/yr
Top cat door for exterior 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 28 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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

CEESC Extra Large Cat Door (Outer Size 11x9.8) Weatherproof White ABS Material 4-Way Locking Flap for Cats & Dogs up to 25.54 lbs
CEESC$19.744.5★12,056 rev

PetSafe Never Rust Dog & Cat Plastic Door Small for Pets Up to 15 lb Paintable Easy DIY Installation Closing Panel Included Install in Interior & Exterior Doors or Walls Durable
PetSafe$28.514.4★21,994 rev

PetSafe Extreme Weather Plastic Pet Door Small
PetSafe$54.414.5★2,357 rev

MAVRICFLEX Cat Door for Door All-Stainless Steel Frame Cat Door with Double Soft Flaps and 2 Sliding ABS Panels for Doors Easy to Install Perfect for Cats and Small Dogs Under 15 LBS Black
MAVRICFLEX$65.514.6★84 rev
Newest
by launch date
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- 4-Way Locking Option for Interior/Exterior Doors and Walls (M)
Hachacha$9.87137 rev

Baboni 3-Flaps Pet Door for Interior and Exterior Doors Durable Plastic Frame and Telescoping Tunnel Aluminum Lock/Metal Panel Strong Magnetic Flaps Never Rust Dog Door (Pets Up to 40 Lb) -Medium
baboni$63.401,087 rev
Trending
90-day click momentum
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★

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★

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$11.904.5★

Cat Door- 4-Way Locking Option for Interior/Exterior Doors and Walls (M)
Hachacha$9.874.5★

Wordcam X-Large Cat Door Strong Cat Door for Interior Exterior Doors 4 Way Locking Pet Door for Cats Up to 25lbs Cat Flap for Kitten Doggies Easy Installation Weatherproof (Black)
Wordcam$23.634.6★
What buyers say about cat door for exterior door
What buyers praise and complain about, mined from review topics.What buyers love
“The installation instructions were easy to follow”
“Excellent product”
“it fit like a glove”
“Excellent value”
“Cats love it”
“As advertised”
“Easy to use”
“Very sturdy”
“Well built”
“I also appreciate the lock options on the product”
What buyers complain about
“its locking mechanism is extremely poorly designed”
“Not durable”
“The size is not quite suitable”
“this one quality of this one is very cheap”
“making it difficult to put together”
“hard to work”
“Weak construction”
“Terrible instructions”
“Moreover, its sealing performance is poor and it doesn't work very well when used”
“not very weatherproof”
Top return reasons
Common questions
- Is cat door for exterior door profitable to sell on Amazon United States?
- The niche generates $192K/yr across 28 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -33.6%. Flapen's verdict: Skip it (42/100).
- How competitive is the cat door for exterior door niche?
- 15 brands and 46 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 78% of demand.
- What do buyers complain about in cat door for exterior door?
- Top complaints mined from reviews: Locking Mechanism, Durability, Size-Overall. The return rate is 5.9%.
- When does demand for cat door for exterior door peak?
- Demand peaks in Oct–Nov; the busiest month runs 2.4× the quietest.
- What does it cost to enter the cat door for exterior door niche?
- Listings span $9.87–$74.13; the average listing price is $31.26 (sweet spot $15–$100). The average incumbent carries 6,278 reviews — the moat a new listing must climb.