---
title: "Cat Door — $2.5M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/cat-door"
last_updated: "2026-07-21T19:34:37.291Z"
locale: en
meta:
  description: "Niche score 57/100 · $2.5M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 57/100 · $2.5M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Cat Door — $2.5M/yr Amazon US Niche (2026) - Flapen"
---

# **cat door**

**Worth a look**

Shows a $2.5M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 95Growth 21Conversion 51Competition 64Returns 40Price range 89Avg price 95Brand share 66Review moat 24Quality gap 33

**Market size**

**Incredible****$2.5M**

$2.5M/yr · 2.4M searches

**Avg price**

**Incredible****$25.79**

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

**Brand share**

**Good****65%**

top-5 brand share — brands hold most of the demand

**Competition**

**Good****46%**

top-5 click share — leaders hold, buyers still browse

**Conversion**

**Good****4.1%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Okay****4.2%**

return rate — above 6% kills the launch gate

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Bad****5,993.06**

avg 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 ~~](https://flapen.com/research/methodology)

## **cat door market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**80K–100K**</dd><dd>avg 2,000–2,500/product</dd>

<dt>**Revenue / yr**</dt><dd>**$2.1M–$2.6M**</dd><dd>units × avg price</dd>

<dt>**Launch success**</dt><dd>**70%**</dd><dd>7 of 10 new (360d)</dd>

<dt>**Conversion rate**</dt><dd>**4.1%**</dd>

<dt>**Avg BSR**</dt><dd>**#27**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**97%**</dd>

<dt>**Sponsored**</dt><dd>**94%**</dd>

<dt>**Out of stock**</dt><dd>**5.3%**</dd>

<dt>**Avg brand age**</dt><dd>**33 months**</dd>

<dt>**Avg seller age**</dt><dd>**161 days**</dd>

</dl>

## **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.

50K30KPrime Day '25 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

[**Open Trend **](https://flapen.com/research/us/pet-supplies/cat-door/trend)

## **Top cat door search terms**

- **cat door**1.1M/yr-0.5%3.8% conv. - **cat door interior door**620K/yr-15.2%4.0% conv. - **cat doors**83K/yr-1.2%1.8% conv. - **indoor cat door**45K/yr-12.5%2.8% conv. - **interior cat door**41K/yr-11.6%2.8% conv. - **cat doors for interior doors**35K/yr-8.2%2.5% conv. - **cat door for interior door**30K/yr-3.1%2.9% conv. - **cat door for wall**33K/yr-1.6%1.2% conv. - **puerta para gatos**24K/yr+1.5%1.3% conv. - **cat door interior**22K/yr-6.8%2.8% conv. [**All search terms **](https://flapen.com/research/us/pet-supplies/cat-door/search-terms)

## **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.

0%4%$100K8%$201K12%$301K16%$402K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 35 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Purrfect Portal Meow Manor Cat Door Interior Door - No-Flap Fits Cats Up to 20 lbs Easy DIY Setup No Training Needed White](https://m.media-amazon.com/images/I/413pTA84I9L.jpg)**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**$29.75**4.9★7,459 rev](https://www.amazon.com/dp/B0FSLSLSX4) [2![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](https://m.media-amazon.com/images/I/31mw+2yhYDL.jpg)**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**$13.14**4.4★16,280 rev](https://www.amazon.com/dp/B00061RIT4) [3![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](https://m.media-amazon.com/images/I/41c45RX1BnL.jpg)**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) [4![ikuso Indoor Cat Door Cat Door for Interior Door Pet Doors for Cat Kitties and Kittens](https://m.media-amazon.com/images/I/31jM4k7unKL.jpg)**ikuso Indoor Cat Door Cat Door for Interior Door Pet Doors for Cat Kitties and Kittens**ikuso**$20.78**4.6★2,250 rev](https://www.amazon.com/dp/B08YR3LT71) [5![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](https://m.media-amazon.com/images/I/41JuZiKGNyS.jpg)**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**$12.03**4.4★4,627 rev](https://www.amazon.com/dp/B08M33G7CN)

**~~View all top sellers →~~**

### **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](https://m.media-amazon.com/images/I/41BtTfpwgdL.jpg)**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**$23.15**27 rev5mo ago](https://www.amazon.com/dp/B0G1YQKB66) [![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](https://m.media-amazon.com/images/I/51IU58-tRfL.jpg)**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)](https://m.media-amazon.com/images/I/41iuOpC0j7L.jpg)**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](https://m.media-amazon.com/images/I/31OQ7+yYFQL.jpg)**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 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](https://m.media-amazon.com/images/I/41VgQ6WST4L.jpg)**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**$25.86**73 rev7mo ago](https://www.amazon.com/dp/B0G2LVB1BK)

**~~View all new products →~~**

### **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](https://m.media-amazon.com/images/I/31OQ7+yYFQL.jpg)**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★**▲ 264%**](https://www.amazon.com/dp/B0F139P1KY) [![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](https://m.media-amazon.com/images/I/51IU58-tRfL.jpg)**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★**▲ 200%**](https://www.amazon.com/dp/B0GJFCQJ98) [![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](https://m.media-amazon.com/images/I/41ZwLUFM1pL.jpg)**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**$38.47**4.8★**▲ 177%**](https://www.amazon.com/dp/B0FX7GQGD2) [![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](https://m.media-amazon.com/images/I/41VgQ6WST4L.jpg)**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**$25.86**4.6★**▲ 149%**](https://www.amazon.com/dp/B0G2LVB1BK) [![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](https://m.media-amazon.com/images/I/41EiGQ2WYoL.jpg)**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**$40.15**4.8★**▲ 134%**](https://www.amazon.com/dp/B0FQZ39DBM)

**~~View all trending →~~**

## **What buyers say about cat door**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Assembly/Installation**12%

*“Easy install”*

**Quality-Overall**11%

*“Other than that, the installation and overall quality are solid”*

**Advertised Vs Actual Product**10%

*“As advertised”*

**Size-Overall**9%

*“its snug”*

**Pet Friendly**9%

*“Cats love it”*

**Ease Of Use**8%

*“its really easy to put on does the job”*

**Value For Money**7%

*“Great value”*

**Lock Proof**4%

*“I like that the door can lock”*

**Design-Overall**4%

*“Well built”*

**Strength**3%

*“Super Sturdy”*

### **What buyers complain about **

**Durability**15%

*“Breaks Easily”*

**Locking Mechanism**8%

*“the locking mechanism is really difficult to use”*

**Size-Overall**8%

*“Much smaller”*

**Quality-Overall**6%

*“Low quality, failed after 2 months”*

**Ease Of Use**5%

*“hard to work”*

**Strength**4%

*“Very weak”*

**Assembly/Installation**4%

*“making it difficult to put together”*

**Design-Overall**4%

*“Weak construction”*

**Value For Money**3%

*“cheap. but expensive”*

**Instructions/User Manual/Troubleshooting**3%

*“Terrible instructions”*

### **Top return reasons **

**Size-Overall**70%

**Compatibility-Overall**4%

**Advertised Vs Actual Product**3%

**Functionality-Overall**3%

**Defective Material/Parts**2%

**Assembly/Installation**2%

**Escape Proof**2%

**Adhesion/Stickiness**2%

**Locking Mechanism**2%

**Thickness**2%

## **Common questions**

<dl>

<dt>**Is cat door profitable to sell on Amazon United States?**</dt><dd>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).</dd>

<dt>**How competitive is the cat door niche?**</dt><dd>20 brands and 38 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 65% of demand.</dd>

<dt>**What do buyers complain about in cat door?**</dt><dd>Top complaints mined from reviews: Durability, Locking Mechanism, Size-Overall. The return rate is 4.2%.</dd>

<dt>**When does demand for cat door peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.4× the quietest.</dd>

<dt>**What does it cost to enter the cat door niche?**</dt><dd>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.</dd>

</dl>

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