freezer door alarm
Worth a lookShows a sweet-spot price point ($22.16 avg), but brand-locked demand (top 5 brands take 92% of clicks) keeps it on the watch list.
Avg price
Great$22.16avg listing price — sweet spot $15–$100
Price range
Great$4.33–$54.06cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Growth
Good+59.7%90-day search growth — must beat 0% to launch
Review moat
Good1,319.53avg incumbent reviews — the moat a new listing must climb
Returns
Good2.8%return rate — above 5% kills the launch gate
Conversion
Good4.4%search→purchase rate — share of searches ending in a sale
Market size
Okay$119K$119K/yr · 123K searches
Competition
Okay70%top-5 click share — leaders hold, buyers still browse
Brand share
Bad92%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, freezer door alarm is a $119K/yr Amazon United States market (123K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Worth a look — 51/100.
Data updated Jul 6, 2026 · scored weekly · How we score niches
freezer door alarm market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- $133K–$177K
- units × avg price
- Conversion rate
- 4.4%
- Avg BSR
- #181
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 8.1%
- Avg brand age
- 51 months
- Avg seller age
- 186 days
Competition & brand share
The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.Brands
9 falling
Sellers
25
Top-5 brand share
92%
Top 20: 100%
Top-5 click share
70%
Top 20: 100%
Open market
5%
- FRIDGGI48%
- Daytech25%
- wsdcam8%
- GoveeLife7%
- Arka5%
- SanJie4%
- Open — no brand owns it (3 brands, 5%)
Demand & seasonality
Weekly Amazon search volume, last 109 weeks — +59.7% search growth over the last 90 days.Peak months: Jun, Jul, Aug · busiest ÷ quietest = 2.0×
Top freezer door alarm search terms
- freezer door alarm31K/yr
- fridge alarm17K/yr
- refrigerator alarm14K/yr
- refrigerator door alarm13K/yr
- fridge door alarm12K/yr
- refrigerator alarm open door10K/yr
- fridge alarm door open9K/yr
- freezer door alarm when left open6K/yr
- refrigerator door alarm when left open4K/yr
- fridge door alarm when left open4K/yr
Top freezer door 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.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
FRIDGGI - Freezer Door Alarm with 60 Second Delay 2 3 and 4 Minute Reminders Refrigerator and Fridge Door Alarm or Chime Low/Loud 80 to 110 dB Compact Size. (White)
FRIDGGI$17.914.4★4,199 rev

FRIDGGI - Fridge Door Alarm with 60 Second Delay 2 3 and 4 Minute Reminders Loud Chime or Siren Refrigerator Door Ajar Alarm 4 Minute Reminders Small Size. (Grey)
FRIDGGI$18.254.4★4,199 rev

DAYTECH Freezer Door Alarm When Left Open with 0-4Mins Delay White 1PC
Daytech$14.514.2★350 rev

WSDCAM Freezer Door Alarm with Delay When Left Open 3/15/30/60 Seconds Adjustable Delay Refrigerator Wireless Fridge Alarm Door Open Loud 108 dB
wsdcam$13.844.4★1,043 rev

DAYTECH Freezer Door Alarm When Left Open with 0-4Mins Delay Silver 1PC
Daytech$16.484.3★298 rev
Newest
by launch date
Door Left Open Alarm with Delay(Instant/30s/1min/2min/4min) 1 Sensor
SanJie$17.74107 rev

GreenCycle Door Alarms with Delay Freezer Door Alarm(3/15/30/60S Delay)
greencycle$13.9815 rev

GoveeLife WiFi Refrigerator Thermometer Sensor with Alarm 2-Pack & Gateway
GoveeLife$31.10570 rev

DAYTECH Freezer Door Alarm When Left Open with 0-4Mins Delay White 1PC
Daytech$14.51350 rev

DAYTECH Freezer Door Alarm When Left Open with 0-4Mins Delay Silver 1PC
Daytech$16.48298 rev
Trending
90-day click momentum
TECKNET Door Alarms for Kids Safety Door Alarms When Opened Window Alarm with Smart Voice Alert 4-Level Adjustable Volume Refrigerator Sensor Pool Alarm for Home SecurityFridgeGarage and Window
TECKNET$4.333.8★

Door Left Open Alarm with Delay(Instant/30s/1min/2min/4min) 1 Sensor
SanJie$17.744.1★

WSDCAM Freezer Door Alarm with Delay When Left Open 3/15/30/60 Seconds Adjustable Delay Refrigerator Wireless Fridge Alarm Door Open Loud 108 dB
wsdcam$13.844.4★

GreenCycle Door Alarms with Delay Freezer Door Alarm(3/15/30/60S Delay)
greencycle$13.984.3★

Doorsound WiFi Freezer & Refrigerator Door Alarm Text & App Notifications When Door is Left Open Adjustable Delay & Volume No Hub No Subscription
Arka$33.444.3★
What buyers say about freezer door alarm
What buyers praise and complain about, mined from review topics.What buyers love
“Quality seems like solid construction”
“Works as Advertised”
“Easy for install”
“Easy to read”
“Works ok”
“Good price”
“Great connectivity”
“This alarm works fantastic”
“durable”
“great for screen doors or windows”
What buyers complain about
“Barely works”
“both were disconnected”
“Stopped working after a couple of months”
“it is very loud”
“a little pricey for this tiny thing”
“Cheap”
“the batteries are horrible to get out”
“Instructions are not very easy to understand no tutorial to show you how to install”
“Super difficult to set up with the instructions not being clear”
“gave warning with higher average temp climbing up slowly”
Top return reasons
Common questions
- Is freezer door alarm profitable to sell on Amazon United States?
- The niche generates $119K/yr across 17 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +59.7%. Flapen's verdict: Worth a look (51/100).
- How competitive is the freezer door alarm niche?
- 9 brands and 25 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 92% of demand.
- What do buyers complain about in freezer door alarm?
- Top complaints mined from reviews: Functionality-Overall, Connectivity-Overall, Durability. The return rate is 2.8%.
- When does demand for freezer door alarm peak?
- Demand peaks in Jun–Jul–Aug; the busiest month runs 2.0× the quietest.
- What does it cost to enter the freezer door alarm niche?
- Listings span $4.33–$54.06; the average listing price is $22.16 (sweet spot $15–$100). The average incumbent carries 1,320 reviews — the moat a new listing must climb.