nightlock
Skip itSoft demand (-33.3% this quarter) — this niche doesn't clear our bar today.
Avg price
Incredible$24.81avg listing price — sweet spot $15–$100
Price range
Great$10.00–$43.35cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay1,760.7avg incumbent reviews — the moat a new listing must climb
Conversion
Okay3.4%search→purchase rate — share of searches ending in a sale
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Returns
Bad5.1%return rate — above 5% kills the launch gate
Competition
Bad82%top-5 click share — a locked-up shelf
Market size
Bad$35K$35K/yr · 42K searches
Growth
Bad-33.3%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, nightlock is a $35K/yr Amazon United States market (42K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 29/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
nightlock market data
- Units sold / yr
- 1K–1K
- avg 0–100/product
- Revenue / yr
- $25K–$31K
- units × avg price
- Conversion rate
- 3.4%
- Avg BSR
- #629
- Page quality
- 0%
- Prime
- 90%
- Sponsored
- 80%
- Out of stock
- 22.3%
- Avg brand age
- 48 months
- Avg seller age
- 190 days
Competition & brand share
The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 falling
Sellers
12
Top-5 brand share
86%
Top 20: 100%
Top-5 click share
82%
Top 20: 100%
Open market
9%
- FLYINGAMZ52%
- JXQAZC13%
- Yaocom8%
- LEVENDOR7%
- Steinwhale6%
- EverPlus5%
- Open — no brand owns it (3 brands, 9%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -33.3% search growth over the last 90 days.Peak months: Sep, Oct · busiest ÷ quietest = 3.1×
Top nightlock search terms
- nightlock12K/yr
- nightlock door barricade9K/yr
- night lock7K/yr
- night lock door barricade6K/yr
- haven door lock5K/yr
- haven lock4K/yr
Top nightlock 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.
All 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Security Lock Door Brace Security Barricade House Double Safety Security Protection for blemished Door Standard Doors French Doors and Barricade All Your Doors - Dark Bronze.
FLYINGAMZ$29.284.6★1,164 rev
Nightlock Door Barricade-Security Lock Brace Heavy Duty Door Brace Suitable for All Types of Internal Doors Door Stoppers Securit
JXQAZC$29.210.0★0 rev
Yaocom 2 Pcs Security Lock Door Brace French Door Barricade Double House Safety Protection Devices for Nighttime Home Fits Standard Blemished French Doors-Black
Yaocom$43.354.7★20 rev
Security Lock Door Brace - Heavy Duty Aluminum Alloy Door Lock Barricade - Front Door Security Barricade for Inward Blemished Door Standard Doors French Doors - Security Brace for Door
LEVENDOR$25.084.6★31 rev
Steinwhale Door Reinforcement Lock 2PACK Home Security Door Lock Withstands 800 lbs Childproof Top Door Lock Latch for Toddlers Safety Inside Night Defender for Inward Swinging Doors
Steinwhale$24.324.7★1,108 rev
Newest
by launch dateNightlock Door Barricade-Security Lock Brace Heavy Duty Door Brace Suitable for All Types of Internal Doors Door Stoppers Securit
JXQAZC$29.210 rev
Lock Door Brace Double Safety Protection French Security Door Brace Residential Door Lock Barricade Black-Door Barricade Security Lock Door Brace Fits Blemished Door Standard Doors French Doors
Yingsi-fty$24.7120 rev
Security Lock Door Brace - Heavy Duty Aluminum Alloy Door Lock Barricade - Front Door Security Barricade for Inward Blemished Door Standard Doors French Doors - Security Brace for Door
LEVENDOR$25.0831 rev
Yaocom 2 Pcs Security Lock Door Brace French Door Barricade Double House Safety Protection Devices for Nighttime Home Fits Standard Blemished French Doors-Black
Yaocom$43.3520 rev
Steinwhale Door Reinforcement Lock 2PACK Home Security Door Lock Withstands 800 lbs Childproof Top Door Lock Latch for Toddlers Safety Inside Night Defender for Inward Swinging Doors
Steinwhale$24.321,108 rev
Trending
90-day click momentumNightlock Door Barricade-Security Lock Brace Heavy Duty Door Brace Suitable for All Types of Internal Doors Door Stoppers Securit
JXQAZC$29.210.0★
Steinwhale Door Reinforcement Lock 2PACK Home Security Door Lock Withstands 800 lbs Childproof Top Door Lock Latch for Toddlers Safety Inside Night Defender for Inward Swinging Doors
Steinwhale$24.324.7★
Home Security Door Lock Blemish Door Barricade Brace Garage Front Door Barricade Lock for Your Double Doors Standard Doors and French Doors - Gold
FLYINGAMZ$26.324.6★
Yaocom 2 Pcs Security Lock Door Brace French Door Barricade Double House Safety Protection Devices for Nighttime Home Fits Standard Blemished French Doors-Black
Yaocom$43.354.7★
Home Security Door Lock Reinforcement - Child Proof High Security Door Locks with 3 Stop Withstand 800 lbs for Inward Swinging Front Door Night Kids Safety Metal Flip Deadbolt Latch Defend Home
WINONLY$10.004.6★
What buyers say about nightlock
What buyers praise and complain about, mined from review topics.What buyers love
“Door Lock”
“Easy to setup”
“Solid security”
“Good quality, easy to install and works as advertised”
“Easy install and Sturdy”
“Works as advertised”
“Easy to use”
“Works/Effective”
“The price is right”
“Durable”
What buyers complain about
“Did not work”
“It doesnt fit all doors”
“So the lock will not lock”
“Little finicky to install”
“the ones they sent are garbage”
“don't fit French doors”
“its an additional cost to others”
“was the absolute hardest home project Ive had to date”
“Wasn't actually doing what it intended”
“No directions”
Top return reasons
Common questions
- Is nightlock profitable to sell on Amazon United States?
- The niche generates $35K/yr across 10 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -33.3%. Flapen's verdict: Skip it (29/100).
- How competitive is the nightlock niche?
- 9 brands and 12 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 86% of demand.
- What do buyers complain about in nightlock?
- Top complaints mined from reviews: Functionality-Overall, Size-Overall, Locking Mechanism. The return rate is 5.1% — above our launch gate.
- When does demand for nightlock peak?
- Demand peaks in Sep–Oct; the busiest month runs 3.1× the quietest.
- What does it cost to enter the nightlock niche?
- Listings span $10.00–$43.35; the average listing price is $24.81 (sweet spot $15–$100). The average incumbent carries 1,761 reviews — the moat a new listing must climb.