---
title: "Freezer Door Alarm — $119K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/appliances/freezer-door-alarm"
last_updated: "2026-08-09T07:04:27.682Z"
locale: en
meta:
description: "Niche score 51/100 · $119K/yr market. Brand-locked demand (top 5 brands take 92% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · $119K/yr market. Brand-locked demand (top 5 brands take 92% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Freezer Door Alarm — $119K/yr Amazon US Niche (2026) - Flapen"
---
# **freezer door alarm**
**Worth a look**
Shows 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.
Market size 28Growth 75Conversion 53Competition 26Returns 55Price range 78Avg price 93Brand share 21Review moat 55Quality gap 76
**Avg price**
**Great****$22.16**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$4.33–$54.06**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Growth**
**Good****+59.7%**
90-day search growth — must beat 0% to launch
**Review moat**
**Good****1,319.53**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Good****2.8%**
return rate — above 5% kills the launch gate
**Conversion**
**Good****4.4%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$119K**
$119K/yr · 123K searches
**Competition**
**Okay****70%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Bad****92%**
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 ~~](https://flapen.com/research/methodology)
## **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.
4K3KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jun, Jul, Aug · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/us/appliances/freezer-door-alarm/trend)
## **Top freezer door alarm search terms**
- **freezer door alarm**31K/yr+180.9%4.9% conv. - **fridge alarm**17K/yr+48.5%4.0% conv. - **refrigerator alarm**14K/yr+25.3%2.5% conv. - **refrigerator door alarm**13K/yr+30.9%4.7% conv. - **fridge door alarm**12K/yr+38.5%4.7% conv. - **refrigerator alarm open door**10K/yr+24.1%4.7% conv. - **fridge alarm door open**9K/yr+42.3%4.8% conv. - **freezer door alarm when left open**6K/yr+22.6%6.7% conv. - **refrigerator door alarm when left open**4K/yr+5.6%4.6% conv. - **fridge door alarm when left open**4K/yr-6.6%4.7% conv. [**All search terms **](https://flapen.com/research/us/appliances/freezer-door-alarm/search-terms)
## **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.
0%10%$12K20%$24K30%$36K40%$48K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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**$17.91**4.4★4,199 rev](https://www.amazon.com/dp/B0813GNDB8) [2**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**$18.25**4.4★4,199 rev](https://www.amazon.com/dp/B08B4H3LM8) [3**DAYTECH Freezer Door Alarm When Left Open with 0-4Mins Delay White 1PC**Daytech**$14.51**4.2★350 rev](https://www.amazon.com/dp/B0DXKVLTXD) [4**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**$13.84**4.4★1,043 rev](https://www.amazon.com/dp/B0784SPW44) [5**DAYTECH Freezer Door Alarm When Left Open with 0-4Mins Delay Silver 1PC**Daytech**$16.48**4.3★298 rev](https://www.amazon.com/dp/B0DSHHTZDG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Door Left Open Alarm with Delay(Instant/30s/1min/2min/4min) 1 Sensor**SanJie**$17.74**107 rev9mo ago](https://www.amazon.com/dp/B0FRGNYM4D) [**GreenCycle Door Alarms with Delay Freezer Door Alarm(3/15/30/60S Delay)**greencycle**$13.98**15 rev9mo ago](https://www.amazon.com/dp/B0FR4323Q2) [**GoveeLife WiFi Refrigerator Thermometer Sensor with Alarm 2-Pack & Gateway**GoveeLife**$31.10**570 rev1y ago](https://www.amazon.com/dp/B0DZCQFZB6) [**DAYTECH Freezer Door Alarm When Left Open with 0-4Mins Delay White 1PC**Daytech**$14.51**350 rev1y ago](https://www.amazon.com/dp/B0DXKVLTXD) [**DAYTECH Freezer Door Alarm When Left Open with 0-4Mins Delay Silver 1PC**Daytech**$16.48**298 rev1y ago](https://www.amazon.com/dp/B0DSHHTZDG)
**~~View all new products →~~**
### **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**$4.33**3.8★**▲ 214%**](https://www.amazon.com/dp/B0GSQTZS8Q) [**Door Left Open Alarm with Delay(Instant/30s/1min/2min/4min) 1 Sensor**SanJie**$17.74**4.1★**▲ 151%**](https://www.amazon.com/dp/B0FRGNYM4D) [**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**$13.84**4.4★**▲ 67%**](https://www.amazon.com/dp/B0784SPW44) [**GreenCycle Door Alarms with Delay Freezer Door Alarm(3/15/30/60S Delay)**greencycle**$13.98**4.3★**▲ 41%**](https://www.amazon.com/dp/B0FR4323Q2) [**Doorsound WiFi Freezer & Refrigerator Door Alarm Text & App Notifications When Door is Left Open Adjustable Delay & Volume No Hub No Subscription**Arka**$33.44**4.3★**▲ 19%**](https://www.amazon.com/dp/B094SHKZ6W)
**~~View all trending →~~**
## **What buyers say about freezer door alarm**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**11%
*“Quality seems like solid construction”*
**Advertised Vs Actual Product**11%
*“Works as Advertised”*
**Assembly/Installation**9%
*“Easy for install”*
**Ease Of Use**9%
*“Easy to read”*
**Efficiency**7%
*“Works ok”*
**Value For Money**7%
*“Good price”*
**Connectivity-Overall**7%
*“Great connectivity”*
**Alarm/Timer Accuracy**4%
*“This alarm works fantastic”*
**Durability**3%
*“durable”*
**Functionality-Overall**2%
*“great for screen doors or windows”*
### **What buyers complain about **
**Functionality-Overall**12%
*“Barely works”*
**Connectivity-Overall**10%
*“both were disconnected”*
**Durability**8%
*“Stopped working after a couple of months”*
**Noise Level**8%
*“it is very loud”*
**Value For Money**7%
*“a little pricey for this tiny thing”*
**Quality-Overall**4%
*“Cheap”*
**Battery Life**4%
*“the batteries are horrible to get out”*
**Assembly/Installation**3%
*“Instructions are not very easy to understand no tutorial to show you how to install”*
**Instructions/User Manual/Troubleshooting**3%
*“Super difficult to set up with the instructions not being clear”*
**Heating**3%
*“gave warning with higher average temp climbing up slowly”*
### **Top return reasons **
**Connectivity-Overall**23%
**Functionality-Overall**14%
**Alarm/Timer Accuracy**11%
**Compatibility-Overall**7%
**Measurement/Reading Accuracy**5%
**Advertised Vs Actual Product**5%
**Value For Money**5%
**Size-Overall**4%
**Defective Material/Parts**4%
**Heating**4%
## **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.
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