--- title: "cat door for windows — Niche Verdict: Worth a look (57/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/pet-supplies/cat-door-for-windows" last_updated: "2026-07-10T02:42:04.316Z" locale: en meta: description: "cat door for windows shows a fragmented shelf (top 5 take 33% of clicks), but a small market ($731K/yr) keeps it on the watch list." "og:description": "cat door for windows shows a fragmented shelf (top 5 take 33% of clicks), but a small market ($731K/yr) keeps it on the watch list." "og:title": "cat door for windows — Niche Verdict: Worth a look (57/100) | Amazon United States - Flapen" --- Back to Flapen home # **cat door for windows** **Worth a look****57/100 ** cat door for windows shows a fragmented shelf (top 5 take 33% of clicks), but a small market ($731K/yr) keeps it on the watch list. **Market/yr** **$731K** **Growth (1y)** **+202.7%** **Products** **51** **Brands** **22** was 18 a year ago **Sellers** **31** **Price range** **$10.66–$181.71** **Returns** **6.1%** **Rating** **4.5★** **Worth a look** Scored 57/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **29** ×0.30 Growth **77** ×0.30 Competition **81** ×0.20 Quality gap **44** ×0.10 Returns **49** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +202.7% year over year. 14K7KSpike '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: May · busiest ÷ quietest = 1.8× ## **Competition** - Yoochee13% - Linvivon13% - Petoasis11% - Ideal Pet Products10% - Klarana8% - Lessmon8% - Other (16 brands)35% Clicks spread well past the top 5 (33% combined) — an open shelf where new products get seen. 22 brands and 31 sellers compete here. **Brands** **22 **▲rising was 18 a year ago **Sellers** **31** **Top 5 brand share** **56%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Cat Door for Window Quick Installation Adjustable Width of 31-36 Cat Window Door with 4 Locking Modes Magnetic Closure Design Weatherproof Aluminum Frame Cat Door Window Insert](https://m.media-amazon.com/images/I/518i8aVoFHL.jpg) [**Cat Door for Window Quick Installation Adjustable Width of 31-36 Cat Window Door with 4 Locking Modes Magnetic Closure Design Weatherproof Aluminum Frame Cat Door Window Insert**](https://www.amazon.com/dp/B0FK2J45GC) Linvivon$100.364.5★1919%▲rising 2 ![Thin Cat Door for Windows Pet Doors and Sliding Door Safety Pet Door with 4 Way Lock Weatherproof Cat Flap for Thin Door and Wall(Medium Outer Size 7.76 * 7.5 * 0.78in)](https://m.media-amazon.com/images/I/41El9FuYb-L.jpg) [**Thin Cat Door for Windows Pet Doors and Sliding Door Safety Pet Door with 4 Way Lock Weatherproof Cat Flap for Thin Door and Wall(Medium Outer Size 7.76 * 7.5 * 0.78in)**](https://www.amazon.com/dp/B0C818453F) Lessmon$10.664.4★2,3098%▼falling 3 ![Sliding Cat Door for Window Fits 32-37 Width Window 1-Min Install | Aluminum Frame + HD Glass | Weatherproof Design | Magnetic Closure Window Cat Door Insert Adjustable Pet Door Window for Cats](https://m.media-amazon.com/images/I/31bJPI8toEL.jpg) [**Sliding Cat Door for Window Fits 32-37 Width Window 1-Min Install | Aluminum Frame + HD Glass | Weatherproof Design | Magnetic Closure Window Cat Door Insert Adjustable Pet Door Window for Cats**](https://www.amazon.com/dp/B0FL1QZH21) Yoochee$73.434.5★925%▲rising 4 ![NIAOMAOGOU Cat Door for Window Aluminum Cat Door Window Insert with 4 Secure Lock Modes Magnectic Closure for Cats Fit Window Width 24-28 White](https://m.media-amazon.com/images/I/31ySpyFSjzL.jpg) [**NIAOMAOGOU Cat Door for Window Aluminum Cat Door Window Insert with 4 Secure Lock Modes Magnectic Closure for Cats Fit Window Width 24-28 White**](https://www.amazon.com/dp/B0FP1S6DGS) NIAOMAOGOU$70.514.6★645%▲rising 5 ![Full-Size Window Pet Door for Cats & Small Dogs Fits 24-28 Width Windows Easy to Install No-Damage Cat Door for Window Magnetic Closure Cat Door Window Insert Weatherproof Cat Door](https://m.media-amazon.com/images/I/41JFzFW6hiL.jpg) [**Full-Size Window Pet Door for Cats & Small Dogs Fits 24-28 Width Windows Easy to Install No-Damage Cat Door for Window Magnetic Closure Cat Door Window Insert Weatherproof Cat Door**](https://www.amazon.com/dp/B0DGQDL4LS) Petoasis$88.214.5★6145%▼falling 6 ![Cat Door for Window Quick Installation Adjustable Width of 27-32 Cat Window Door with 4 Locking Modes Magnetic Closure Design Weatherproof Aluminum Frame Cat Door Window Insert](https://m.media-amazon.com/images/I/518i8aVoFHL.jpg) [**Cat Door for Window Quick Installation Adjustable Width of 27-32 Cat Window Door with 4 Locking Modes Magnetic Closure Design Weatherproof Aluminum Frame Cat Door Window Insert**](https://www.amazon.com/dp/B0FK2DD7GC) Linvivon$90.384.5★1914%▼falling 7 ![Cat Door for Window 3Min No-Damage Quick Install Fits 24-28 Width Windows No Drilling Required Cat Window Door Insert Aluminum Frame Pet Door for Window 4 Lock Modes to Control Pet Access](https://m.media-amazon.com/images/I/41S1o8MLsBL.jpg) [**Cat Door for Window 3Min No-Damage Quick Install Fits 24-28 Width Windows No Drilling Required Cat Window Door Insert Aluminum Frame Pet Door for Window 4 Lock Modes to Control Pet Access**](https://www.amazon.com/dp/B0FHKFQS8T) Petoasis$76.314.5★1123%▲rising 8 ![Bug-Proof Screen Cat Door for Window 22-28.5 Adjustable Width 1-Min Install | Stainless Steel Mesh + Aluminum Frame | Ventilated | Magnetic Closure Sliding Pet Door Window Insert for Cats](https://m.media-amazon.com/images/I/41GhYtoAlPL.jpg) [**Bug-Proof Screen Cat Door for Window 22-28.5 Adjustable Width 1-Min Install | Stainless Steel Mesh + Aluminum Frame | Ventilated | Magnetic Closure Sliding Pet Door Window Insert for Cats**](https://www.amazon.com/dp/B0GHYRDGNV) Klarana$49.774.5★233%▲rising 9 ![Ideal Pet Products Aluminum Vertical Sash Window Pet Door Adjustable Sizes to Fit Window Heights from 43-7/8 to 46-1/2 Chubby Kat 7-1/2 x 10-1/2 Flap Size](https://m.media-amazon.com/images/I/31voaTBoVLL.jpg) [**Ideal Pet Products Aluminum Vertical Sash Window Pet Door Adjustable Sizes to Fit Window Heights from 43-7/8 to 46-1/2 Chubby Kat 7-1/2 x 10-1/2 Flap Size**](https://www.amazon.com/dp/B0F9H1K1NS) Ideal Pet Products$181.714.5★8,6703%—flat 10 ![Aluminum Frame Window Cat Door with Magnetic Auto Closure Horizontal Adjustable Width Quick-Fit Pet Door for Window Insert Suitable for Most Medium Cats & Small Dogs(S: 23-28)](https://m.media-amazon.com/images/I/41dZ+e4VQEL.jpg) [**Aluminum Frame Window Cat Door with Magnetic Auto Closure Horizontal Adjustable Width Quick-Fit Pet Door for Window Insert Suitable for Most Medium Cats & Small Dogs(S: 23-28)**](https://www.amazon.com/dp/B0FM8411GY) Zerzuo$78.624.6★793%▲rising 11 ![LIBBEPET Cat Door for Window Aluminum Window Cat Door Insert Fit Windows Width 27-32 Cat Flap for Window with Magnetic Flap Opening 7.8 x 8.3 in Tool-Free Install Safety & Weatherproof Medium](https://m.media-amazon.com/images/I/4100BzAjcuL.jpg) [**LIBBEPET Cat Door for Window Aluminum Window Cat Door Insert Fit Windows Width 27-32 Cat Flap for Window with Magnetic Flap Opening 7.8 x 8.3 in Tool-Free Install Safety & Weatherproof Medium**](https://www.amazon.com/dp/B0FLJQW4XV) LIBBEPET$79.154.7★983%▲rising 12 ![SAKSUN Cat Door for Window Weatherproof: Aluminum Frame Flap Pet Door Quick Fit Window Insert - Easy Adjustable to Fit Windows Width 23-28 - 4 Secure Lock Modes with Magnetic Closure for Cats Doggy](https://m.media-amazon.com/images/I/315Di9Ny4oL.jpg) [**SAKSUN Cat Door for Window Weatherproof: Aluminum Frame Flap Pet Door Quick Fit Window Insert - Easy Adjustable to Fit Windows Width 23-28 - 4 Secure Lock Modes with Magnetic Closure for Cats Doggy**](https://www.amazon.com/dp/B0FKGW32RN) SAKSUN$80.504.7★942%▲rising 13 ![Full Glass Cat Door for Window 22-28.5 Adjustable Width 1-Min Install | 4 Locking Modes Aluminum Frame HD Glass Magnetic Closure Weatherproof Sliding Pet Door Window Insert for Cats](https://m.media-amazon.com/images/I/41sLs2ms+cL.jpg) [**Full Glass Cat Door for Window 22-28.5 Adjustable Width 1-Min Install | 4 Locking Modes Aluminum Frame HD Glass Magnetic Closure Weatherproof Sliding Pet Door Window Insert for Cats**](https://www.amazon.com/dp/B0GK1CY7CD) Klarana$65.624.5★822%▲rising 14 ![Ideal Pet Products Aluminum Sash Window Pet Door Adjustable to Fit Window Widths from 33 to 38 Large 10-1/2 x 15 Flap Size](https://m.media-amazon.com/images/I/318h5fMMWCL.jpg) [**Ideal Pet Products Aluminum Sash Window Pet Door Adjustable to Fit Window Widths from 33 to 38 Large 10-1/2 x 15 Flap Size**](https://www.amazon.com/dp/B00BYC4NBU) Ideal Pet Products$135.734.5★8,6702%—flat 15 ![Cat Door for Window 3Min No-Damage Quick Install Fits 27-32 Width Windows No Drilling Required Cat Window Door Insert Aluminum Frame Pet Door for Window 4 Lock Modes to Control Pet Access](https://m.media-amazon.com/images/I/41S1o8MLsBL.jpg) [**Cat Door for Window 3Min No-Damage Quick Install Fits 27-32 Width Windows No Drilling Required Cat Window Door Insert Aluminum Frame Pet Door for Window 4 Lock Modes to Control Pet Access**](https://www.amazon.com/dp/B0FHKGW15D) Petoasis$80.224.5★1122%▲rising **~~Showing 15 of 51 — show all ~~** ## **Product shelf** All 51 tracked products in this niche. Top sellersNewestTrending [![Cat Door for Window Quick Installation Adjustable Width of 31-36 Cat Window Door with 4 Locking Modes Magnetic Closure Design Weatherproof Aluminum Frame Cat Door Window Insert](https://m.media-amazon.com/images/I/518i8aVoFHL.jpg)**Cat Door for Window Quick Installation Adjustable Width of 31-36 Cat Window Door with 4 Locking Modes Magnetic Closure Design Weatherproof Aluminum Frame Cat Door Window Insert** Linvivon**$100.36**4.5★191 reviews](https://www.amazon.com/dp/B0FK2J45GC) [![Thin Cat Door for Windows Pet Doors and Sliding Door Safety Pet Door with 4 Way Lock Weatherproof Cat Flap for Thin Door and Wall(Medium Outer Size 7.76 * 7.5 * 0.78in)](https://m.media-amazon.com/images/I/41El9FuYb-L.jpg)**Thin Cat Door for Windows Pet Doors and Sliding Door Safety Pet Door with 4 Way Lock Weatherproof Cat Flap for Thin Door and Wall(Medium Outer Size 7.76 * 7.5 * 0.78in)** Lessmon**$10.66**4.4★2,309 reviews](https://www.amazon.com/dp/B0C818453F) [![Sliding Cat Door for Window Fits 32-37 Width Window 1-Min Install | Aluminum Frame + HD Glass | Weatherproof Design | Magnetic Closure Window Cat Door Insert Adjustable Pet Door Window for Cats](https://m.media-amazon.com/images/I/31bJPI8toEL.jpg)**Sliding Cat Door for Window Fits 32-37 Width Window 1-Min Install | Aluminum Frame + HD Glass | Weatherproof Design | Magnetic Closure Window Cat Door Insert Adjustable Pet Door Window for Cats** Yoochee**$73.43**4.5★92 reviews](https://www.amazon.com/dp/B0FL1QZH21) [![NIAOMAOGOU Cat Door for Window Aluminum Cat Door Window Insert with 4 Secure Lock Modes Magnectic Closure for Cats Fit Window Width 24-28 White](https://m.media-amazon.com/images/I/31ySpyFSjzL.jpg)**NIAOMAOGOU Cat Door for Window Aluminum Cat Door Window Insert with 4 Secure Lock Modes Magnectic Closure for Cats Fit Window Width 24-28 White** NIAOMAOGOU**$70.51**4.6★64 reviews](https://www.amazon.com/dp/B0FP1S6DGS) [![Full-Size Window Pet Door for Cats & Small Dogs Fits 24-28 Width Windows Easy to Install No-Damage Cat Door for Window Magnetic Closure Cat Door Window Insert Weatherproof Cat Door](https://m.media-amazon.com/images/I/41JFzFW6hiL.jpg)**Full-Size Window Pet Door for Cats & Small Dogs Fits 24-28 Width Windows Easy to Install No-Damage Cat Door for Window Magnetic Closure Cat Door Window Insert Weatherproof Cat Door** Petoasis**$88.21**4.5★614 reviews](https://www.amazon.com/dp/B0DGQDL4LS) [![Cat Door for Window Quick Installation Adjustable Width of 27-32 Cat Window Door with 4 Locking Modes Magnetic Closure Design Weatherproof Aluminum Frame Cat Door Window Insert](https://m.media-amazon.com/images/I/518i8aVoFHL.jpg)**Cat Door for Window Quick Installation Adjustable Width of 27-32 Cat Window Door with 4 Locking Modes Magnetic Closure Design Weatherproof Aluminum Frame Cat Door Window Insert** Linvivon**$90.38**4.5★191 reviews](https://www.amazon.com/dp/B0FK2DD7GC) [![Cat Door for Window 3Min No-Damage Quick Install Fits 24-28 Width Windows No Drilling Required Cat Window Door Insert Aluminum Frame Pet Door for Window 4 Lock Modes to Control Pet Access](https://m.media-amazon.com/images/I/41S1o8MLsBL.jpg)**Cat Door for Window 3Min No-Damage Quick Install Fits 24-28 Width Windows No Drilling Required Cat Window Door Insert Aluminum Frame Pet Door for Window 4 Lock Modes to Control Pet Access** Petoasis**$76.31**4.5★112 reviews](https://www.amazon.com/dp/B0FHKFQS8T) [![Bug-Proof Screen Cat Door for Window 22-28.5 Adjustable Width 1-Min Install | Stainless Steel Mesh + Aluminum Frame | Ventilated | Magnetic Closure Sliding Pet Door Window Insert for Cats](https://m.media-amazon.com/images/I/41GhYtoAlPL.jpg)**Bug-Proof Screen Cat Door for Window 22-28.5 Adjustable Width 1-Min Install | Stainless Steel Mesh + Aluminum Frame | Ventilated | Magnetic Closure Sliding Pet Door Window Insert for Cats** Klarana**$49.77**4.5★23 reviews](https://www.amazon.com/dp/B0GHYRDGNV) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Quality-Overall**17% *“Build quality is excellent”* **Assembly/Installation**13% *“Ease of installation”* **Size-Overall**13% *“accurate sizing”* **Strength**7% *“Sturdy construction”* **Pet Friendly**7% *“Very Happy Cat”* **Design-Overall**6% *“Built well”* **Advertised Vs Actual Product**5% *“Exactly What I Wanted”* **Ease Of Use**5% *“ease of installation”* **Lock Proof**4% *“Locks Easy also”* **Value For Money**4% *“great value”* ### **What buyers complain about ** **Size-Overall**11% *“a little small”* **Locking Mechanism**10% *“Faulty lock”* **Durability**6% *“Frequent Break-Ins”* **Instructions/User Manual/Troubleshooting**5% *“The instruction booklet is not helpful at all”* **Weather Proof**4% *“Weather stripping came off within a week”* **Assembly/Installation**4% *“Took hours to install”* **Value For Money**4% *“not $100 ok”* **Quality-Overall**3% *“quality not worth high price”* **Ease Of Use**3% *“can be hard to operate”* **Escape Proof**3% *“Also the cat door has already shattered by my cat pushing against it to get out when I had it locked”* #### **Top return reasons**- Size-Overall71% - Advertised Vs Actual Product4% - Escape Proof4% - Defective Material/Parts4% - Functionality-Overall3% - Locking Mechanism2% - Compatibility-Overall2% - Value For Money1% - Assembly/Installation1% - Ease Of Use1%