---
title: "Cat Door for Exterior Door — $192K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/cat-door-for-exterior-door"
last_updated: "2026-07-21T22:02:59.728Z"
locale: en
meta:
description: "Niche score 42/100 · $192K/yr market · 194K searches/yr · $31.26 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · $192K/yr market · 194K searches/yr · $31.26 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Cat Door for Exterior Door — $192K/yr Amazon US Niche (2026) - Flapen"
---
# **cat door for exterior door**
**Skip it**
Soft demand (-33.6% this quarter) — this niche doesn't clear our bar today.
Market size 38Growth 8Conversion 40Competition 63Returns 26Price range 89Avg price 95Brand share 45Review moat 24Quality gap 42
**Avg price**
**Incredible****$31.26**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.87–$74.13**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****47%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****78%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Okay****3.2%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$192K**
$192K/yr · 194K searches
**Returns**
**Okay****5.9%**
return rate — above 6% kills the launch gate
**Review moat**
**Bad****6,277.57**
avg 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 ~~](https://flapen.com/research/methodology)
## **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.
7K5KSpike '24Spike '25 seasonSepDecMarJunAugNovMarMay
Peak months: Oct, Nov · busiest ÷ quietest = 2.4×
[**Open Trend **](https://flapen.com/research/us/pet-supplies/cat-door-for-exterior-door/trend)
## **Top cat door for exterior door search terms**
- **cat door exterior door**14K/yr+57.8%4.7% conv. - **cat door for exterior door**94K/yr-78.8%3.9% conv. - **exterior cat door**15K/yr+48.5%3.5% conv. - **cat door exterior**8K/yr+37.7%4.1% conv. - **cat door for garage door**12K/yr-14.3%2.7% conv. - **cat doors for exterior doors**12K/yr-15.8%2.6% conv. - **locking cat door**7K/yr+10.5%2.7% conv. - **outdoor cat door**6K/yr+40.6%3.1% conv. - **insulated cat door**6K/yr-18.6%1.5% conv. - **one way cat door**4K/yr-7.0%2.7% conv. [**All search terms **](https://flapen.com/research/us/pet-supplies/cat-door-for-exterior-door/search-terms)
## **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.
0%5%$10K10%$19K15%$29K20%$38K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 28 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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**$17.43**4.4★13,775 rev](https://www.amazon.com/dp/B01J2UH0S8) [2**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**$19.74**4.5★12,056 rev](https://www.amazon.com/dp/B07Z81MXGB) [3**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**$28.51**4.4★21,994 rev](https://www.amazon.com/dp/B000MD59IS) [4**PetSafe Extreme Weather Plastic Pet Door Small**PetSafe**$54.41**4.5★2,357 rev](https://www.amazon.com/dp/B000TZ8SFK) [5**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**$65.51**4.6★84 rev](https://www.amazon.com/dp/B0DS1SWYHK)
**~~View all top sellers →~~**
### **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**$35.69**38 rev5mo ago](https://www.amazon.com/dp/B0GJFCQJ98) [**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**$11.90**85 rev6mo ago](https://www.amazon.com/dp/B0GC4RQKLS) [**Amazon Basics Adjustable Plastic Dog and Cat Door with 4 Way Lock Small 7.5 x 7.4 x 2.24 White**Amazon Basics**$11.47**260 rev7mo ago](https://www.amazon.com/dp/B0F139P1KY) [**Cat Door- 4-Way Locking Option for Interior/Exterior Doors and Walls (M)**Hachacha**$9.87**137 rev8mo ago](https://www.amazon.com/dp/B0G1LZQ2LK) [**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**$63.40**1,087 rev1y ago](https://www.amazon.com/dp/B0FD9XC8C9)
**~~View all new products →~~**
### **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**$35.69**4.6★**▲ 550%**](https://www.amazon.com/dp/B0GJFCQJ98) [**Amazon Basics Adjustable Plastic Dog and Cat Door with 4 Way Lock Small 7.5 x 7.4 x 2.24 White**Amazon Basics**$11.47**4.3★**▲ 500%**](https://www.amazon.com/dp/B0F139P1KY) [**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**$11.90**4.5★**▲ 274%**](https://www.amazon.com/dp/B0GC4RQKLS) [**Cat Door- 4-Way Locking Option for Interior/Exterior Doors and Walls (M)**Hachacha**$9.87**4.5★**▲ 135%**](https://www.amazon.com/dp/B0G1LZQ2LK) [**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**$23.63**4.6★**▲ 116%**](https://www.amazon.com/dp/B0D1TVKH6K)
**~~View all trending →~~**
## **What buyers say about cat door for exterior door**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**16%
*“The installation instructions were easy to follow”*
**Quality-Overall**14%
*“Excellent product”*
**Size-Overall**13%
*“it fit like a glove”*
**Value For Money**8%
*“Excellent value”*
**Pet Friendly**8%
*“Cats love it”*
**Advertised Vs Actual Product**6%
*“As advertised”*
**Ease Of Use**5%
*“Easy to use”*
**Strength**4%
*“Very sturdy”*
**Design-Overall**4%
*“Well built”*
**Lock Proof**3%
*“I also appreciate the lock options on the product”*
### **What buyers complain about **
**Locking Mechanism**13%
*“its locking mechanism is extremely poorly designed”*
**Durability**9%
*“Not durable”*
**Size-Overall**8%
*“The size is not quite suitable”*
**Quality-Overall**8%
*“this one quality of this one is very cheap”*
**Assembly/Installation**5%
*“making it difficult to put together”*
**Ease Of Use**4%
*“hard to work”*
**Design-Overall**4%
*“Weak construction”*
**Instructions/User Manual/Troubleshooting**3%
*“Terrible instructions”*
**Escape Proof**3%
*“Moreover, its sealing performance is poor and it doesn't work very well when used”*
**Weather Proof**3%
*“not very weatherproof”*
### **Top return reasons **
**Size-Overall**80%
**Advertised Vs Actual Product**4%
**Thickness**2%
**Assembly/Installation**2%
**Compatibility-Overall**2%
**Escape Proof**2%
**Defective Material/Parts**2%
**Functionality-Overall**1%
**Value For Money**1%
**Locking Mechanism**1%
## **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.
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