---
title: "Door Stop Alarm — $368K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/door-stop-alarm"
last_updated: "2026-08-07T11:09:41.920Z"
locale: en
meta:
description: "Niche score 46/100 · $368K/yr market · 369K searches/yr · $15.47 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $368K/yr market · 369K searches/yr · $15.47 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Door Stop Alarm — $368K/yr Amazon US Niche (2026) - Flapen"
---
# **door stop alarm**
**Skip it**
Soft demand (-18.1% this quarter) — this niche doesn't clear our bar today.
Market size 54Growth 16Conversion 71Competition 34Returns 33Price range 68Avg price 76Brand share 43Review moat 25Quality gap 72
**Avg price**
**Great****$15.47**
avg listing price — sweet spot $15–$100
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****6.5%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Good****$7.11–$31.61**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$368K**
$368K/yr · 369K searches
**Brand share**
**Okay****79%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****65%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Okay****4.4%**
return rate — above 5% kills the launch gate
**Review moat**
**Bad****4,508.33**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-18.1%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, door stop alarm is a $368K/yr Amazon United States market (369K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Mar. Verdict: Skip it — 46/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **door stop alarm market data**
- **Units sold / yr**
- **20K–25K**
- avg 1,250–1,500/product
- **Revenue / yr**
- **$309K–$387K**
- units × avg price
- **Conversion rate**
- **6.5%**
- **Avg BSR**
- **#110**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **86%**
- **Out of stock**
- **2.1%**
- **Avg brand age**
- **45 months**
- **Avg seller age**
- **171 days**
## **Competition & brand share**
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**15 **▲rising
**Sellers**
**42**
**Top-5 brand share**
**79%**
Top 20: 100%
**Top-5 click share**
**65%**
Top 20: 99%
**Open market**
**17%**
- Monsin33% - EMDMAK19% - HNHMT15% - SABRE8% - TECKNET5% - ZZRUI4% - Open — no brand owns it (9 brands, 17%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -18.1% search growth over the last 90 days.
18K13KHoliday '24Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Mar · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/electronics/door-stop-alarm/trend)
## **Top door stop alarm search terms**
- **door stop alarm**82K/yr-27.1%5.1% conv. - **hotel door alarm**32K/yr-7.9%6.1% conv. - **travel door alarm**24K/yr+32.6%3.9% conv. - **door alarm for travel**12K/yr+43.3%5.8% conv. - **door stopper alarm**28K/yr-25.6%5.4% conv. - **hotel door stopper**27K/yr-19.9%3.8% conv. - **alarm door stopper**25K/yr-22.8%4.1% conv. - **portable door alarm**13K/yr+25.1%2.9% conv. - **door wedge alarm**30K/yr-54.7%5.6% conv. - **portable door alarm for travel**11K/yr+74.0%2.6% conv. [**All search terms **](https://flapen.com/research/us/electronics/door-stop-alarm/search-terms)
## **Top door stop alarm 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%$18K10%$37K15%$55K20%$74K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Door Stop Alarm Door Stopper with 120DB Security Alarm Floor Wedge Doorstop for Travel Apartment Home House (Pack of 2)**Monsin**$12.23**4.5★4,097 rev](https://www.amazon.com/dp/B09DT7PYMW) [2**EMDMAK Door Stop Alarm with 120DB Siren Door Stop for Home & Travel (Black) (Pack of 2)**EMDMAK**$11.87**4.4★9,128 rev](https://www.amazon.com/dp/B01M0X4QM4) [3**Door Stop Alarm Door Stopper with 120DB Security Alarm Floor Wedge Doorstop for Travel Apartment Home House (Pack of 1)**Monsin**$7.11**4.5★4,097 rev](https://www.amazon.com/dp/B09SPX4NJ4) [4**Portable Door Lock & Door Stop Alarm Set Dual Protection Home Security Door Kit Travel Hotel Lock Devices Pocket Self Defensey Tools for Traveling Hotel Home Apartment Red**HNHMT**$10.94**4.2★5,558 rev](https://www.amazon.com/dp/B098XLXV3V) [5**HNHMT 2 Pack Portable Door Stop Alarm Door Stopper with 120db Loud Security Alarm Travel Door Doorstops Wedge Sensors Security Devices for Traveling Apartment Hotel and Home (Black)**HNHMT**$9.94**4.3★303 rev](https://www.amazon.com/dp/B0C4L4K68K)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**YANGGEM 3-in-1 Travel Safety Alarm - Hotel Safety Devices with Hidden Camera Detector & Door Alarms When Opened & Self Defense Personal Safety Alarm Portable Multifunctional Travel Safe Essentials**YANGGEM**$20.85**5 rev2mo ago](https://www.amazon.com/dp/B0GXBH6BVS) [**TECKNET Door Alarm for Door Handle 130dB Door Alarms When Opened & Window Alarms No-Drill Travel Door Security Device with Lanyard Door Sensor Alarm for Home Apartment & Hotel**TECKNET**$9.81**332 rev10mo ago](https://www.amazon.com/dp/B0FQMXX1MB) [**TECKNET Door Stop Alarm Door Stopper with 130dB Security Alarm Rechargeable Door Wedge Stop Siren with Non-Slip Silicone Base Suitable for Door Bottom Portable Anti-Theft for Home/Hotel/Apartment**TECKNET**$12.00**189 rev10mo ago](https://www.amazon.com/dp/B0FPQRP27N) [**Portable Alarm Door Stopper Portable Door Jammer Travel Anti Theft Door Blocker No Drill Door Stoppers Security for Home Apartment Office Hotel Travel Portable Door Lock for Women Children**Silanit**$20.14**159 rev1y ago](https://www.amazon.com/dp/B0F6CQ5FWZ) [**Portable Alarm Door Stopper - 80dB Anti-Theft Security Alarm Door Stoppers for Bottom of Door Adjustable and Easy to Install for Home Office and Travel Door Security Devices (Red)**Piosarafiem**$19.41**328 rev1y ago](https://www.amazon.com/dp/B0DNG3F1X1)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**YANGGEM 3-in-1 Travel Safety Alarm - Hotel Safety Devices with Hidden Camera Detector & Door Alarms When Opened & Self Defense Personal Safety Alarm Portable Multifunctional Travel Safe Essentials**YANGGEM**$20.85**3.8★**▲ 374%**](https://www.amazon.com/dp/B0GXBH6BVS) [**TECKNET Door Alarm for Door Handle 130dB Door Alarms When Opened & Window Alarms No-Drill Travel Door Security Device with Lanyard Door Sensor Alarm for Home Apartment & Hotel**TECKNET**$9.81**4.3★**▲ 241%**](https://www.amazon.com/dp/B0FQMXX1MB) [**EMDMAK Door Stop Alarm with 120DB Siren Door Stop for Home & Travel (Black) (Pack of 1)**EMDMAK**$7.79**4.4★**▲ 134%**](https://www.amazon.com/dp/B09ZGZHZ4P) [**Door Chime SanJie Wireless Door Sensor Chime When Door Opens Door Entry Alarm Chime for Business/Home/Kids 500 FT Range 26 Chimes 5 Adjustable Volume 2 Sensors + 1 Receivers**SanJie**$23.97**4.4★**▲ 118%**](https://www.amazon.com/dp/B0CRB36VPB) [**TECKNET Door Alarms for Kids Safety Window Alarm Pool Alarms Door Alarm for Home Security 2-in-1 Alarm & Chime 3-Level Volume Control Wireless Alarm for House Hotel Cars Sheds Caravans (3 Pack)**TECKNET**$16.18**4.6★**▲ 100%**](https://www.amazon.com/dp/B0BY8D81NB)
**~~View all trending →~~**
## **What buyers say about door stop alarm**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Security**15%
*“Great security”*
**Quality-Overall**12%
*“Price to quality is fair”*
**Ease Of Use**8%
*“Easy Peasy”*
**Advertised Vs Actual Product**7%
*“As advertised”*
**Strength**7%
*“Strong and easy to adjust”*
**Assembly/Installation**7%
*“Easy To Install”*
**Efficiency**6%
*“Does the job well”*
**Locking Mechanism**6%
*“stays in place without any issues”*
**Value For Money**5%
*“Definitely worth the price”*
**Noise Level**4%
*“sound good”*
### **What buyers complain about **
**Noise Level**22%
*“VERY LOUD”*
**Functionality-Overall**15%
*“Never worked”*
**Quality-Overall**6%
*“Poor quality build”*
**Size-Overall**5%
*“It's small”*
**Durability**4%
*“its just as easy to break”*
**Alarm/Timer Accuracy**4%
*“The alarm does not work”*
**Strength**4%
*“Too fragile”*
**Locking Mechanism**2%
*“the metal locking mechanism is way too complex”*
**Battery Life**2%
*“Battery doesnt last”*
**Ease Of Use**2%
*“Not user friendly”*
### **Top return reasons **
**Alarm/Timer Accuracy**23%
**Size-Overall**19%
**Functionality-Overall**13%
**Compatibility-Overall**7%
**Advertised Vs Actual Product**5%
**Defective Material/Parts**5%
**Value For Money**4%
**Noise Level**3%
**Weight Heavy**3%
**Locking Mechanism**2%
## **Common questions**
- **Is door stop alarm profitable to sell on Amazon United States?**
- The niche generates $368K/yr across 21 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -18.1%. Flapen's verdict: Skip it (46/100).
- **How competitive is the door stop alarm niche?**
- 15 brands and 42 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 79% of demand.
- **What do buyers complain about in door stop alarm?**
- Top complaints mined from reviews: Noise Level, Functionality-Overall, Quality-Overall. The return rate is 4.4%.
- **When does demand for door stop alarm peak?**
- Demand peaks in Mar; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the door stop alarm niche?**
- Listings span $7.11–$31.61; the average listing price is $15.47 (sweet spot $15–$100). The average incumbent carries 4,508 reviews — the moat a new listing must climb.
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