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.

door stop alarm

Skip it

Soft demand (-18.1% this quarter) — this niche doesn't clear our bar today.

Avg price

Great$15.47

avg listing price — sweet spot $15–$100

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Conversion

Good6.5%

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

Okay79%

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

Competition

Okay65%

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

Returns

Okay4.4%

return rate — above 5% kills the launch gate

Review moat

Bad4,508.33

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

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

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.

Peak months: Mar · busiest ÷ quietest = 1.8×

Open Trend

Top door stop alarm search terms

door stop alarm82K/yr -27.1%5.1% conv.
hotel door alarm32K/yr -7.9%6.1% conv.
travel door alarm24K/yr +32.6%3.9% conv.
door alarm for travel12K/yr +43.3%5.8% conv.
door stopper alarm28K/yr -25.6%5.4% conv.
hotel door stopper27K/yr -19.9%3.8% conv.
alarm door stopper25K/yr -22.8%4.1% conv.
portable door alarm13K/yr +25.1%2.9% conv.
door wedge alarm30K/yr -54.7%5.6% conv.
portable door alarm for travel11K/yr +74.0%2.6% conv.

All 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.

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

Door Stop Alarm Door Stopper with 120DB Security Alarm Floor Wedge Doorstop for Travel Apartment Home House (Pack of 2)

Monsin$12.234.5★4,097 rev

EMDMAK Door Stop Alarm with 120DB Siren Door Stop for Home & Travel (Black) (Pack of 2)

EMDMAK$11.874.4★9,128 rev

Door Stop Alarm Door Stopper with 120DB Security Alarm Floor Wedge Doorstop for Travel Apartment Home House (Pack of 1)

Monsin$7.114.5★4,097 rev

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$10.944.2★5,558 rev

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$9.944.3★303 rev

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$20.855 rev

2mo ago

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$9.81332 rev

10mo ago

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$12.00189 rev

10mo ago

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$20.14159 rev

1y ago

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$19.41328 rev

1y ago

What buyers say about door stop alarm

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

What buyers love

Security15%

“Great security”

Quality-Overall12%

“Price to quality is fair”

Ease Of Use8%

“Easy Peasy”

Advertised Vs Actual Product7%

“As advertised”

Strength7%

“Strong and easy to adjust”

Assembly/Installation7%

“Easy To Install”

Efficiency6%

“Does the job well”

Locking Mechanism6%

“stays in place without any issues”

Value For Money5%

“Definitely worth the price”

Noise Level4%

“sound good”

What buyers complain about

Noise Level22%

“VERY LOUD”

Functionality-Overall15%

“Never worked”

Quality-Overall6%

“Poor quality build”

Size-Overall5%

“It's small”

Durability4%

“its just as easy to break”

Alarm/Timer Accuracy4%

“The alarm does not work”

Strength4%

“Too fragile”

Locking Mechanism2%

“the metal locking mechanism is way too complex”

Battery Life2%

“Battery doesnt last”

Ease Of Use2%

“Not user friendly”

Top return reasons

Alarm/Timer Accuracy23%

Size-Overall19%

Functionality-Overall13%

Compatibility-Overall7%

Advertised Vs Actual Product5%

Defective Material/Parts5%

Value For Money4%

Noise Level3%

Weight Heavy3%