radon eye
Skip itPrices mostly outside the sweet spot ($19.07–$788.01) — this niche doesn't clear our bar today.
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Avg price
Good$166.32avg listing price — sweet spot $15–$100
Returns
Okay3.1%return rate — above 5% kills the launch gate
Review moat
Okay2,154.79avg incumbent reviews — the moat a new listing must climb
Competition
Okay62%top-5 click share — leaders hold, buyers still browse
Conversion
Okay2.4%search→purchase rate — share of searches ending in a sale
Brand share
Okay89%top-5 brand share — brands hold most of the demand
Market size
Bad$69K$69K/yr · 17K searches
Growth
Bad-25.9%90-day search growth — must beat 0% to launch
Price range
Bad$19.07–$788.01cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, radon eye is a $69K/yr Amazon United States market (17K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Nov. Verdict: Skip it — 32/100.
Data updated Jul 30, 2026 · scored weekly · How we score niches
radon eye market data
- Units sold / yr
- 1K–1K
- avg 0–100/product
- Revenue / yr
- $166K–$208K
- units × avg price
- Conversion rate
- 2.4%
- Avg BSR
- #49
- Page quality
- 0%
- Prime
- 93%
- Sponsored
- 93%
- Out of stock
- 0.0%
- Avg brand age
- 50 months
- Avg seller age
- 145 days
Competition & brand share
The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.Brands
8 rising
Sellers
34
Top-5 brand share
89%
Top 20: 100%
Top-5 click share
62%
Top 20: 100%
Open market
6%
- Airthings47%
- Ecosense Inc.21%
- AEGTEST9%
- FORENSICS DETECTORS FD7%
- Aranet6%
- X-Sense4%
- Open — no brand owns it (2 brands, 6%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -25.9% search growth over the last 90 days.Peak months: Nov · busiest ÷ quietest = 1.6×
Top radon eye search terms
- radon eye8K/yr
- radoneye4K/yr
- radoneye rd2002K/yr
- radon eye rd2003K/yr
Top radon eye 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 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Airthings Corentium Home Radon Detector 223 Portable Lightweight Easy-to-Use (3) AAA Battery Operated USA Version pCi/L
Airthings$128.724.6★10,786 rev
Airthings 325 Corentium Home 2 Smart Digital Radon Detector - Portable and Easy-to-use Radon Testing with Bluetooth connectivity and Humidity & Temperature Sensors
Airthings$172.014.6★313 rev
Ecosense EQ100 EcoQube Digital Radon Detector Fast Capture of Fluctuating Levels Short & Long-Term Continuous Monitoring with Trend Charts Remote Data Access Only Support 2.4 GHz Networks
Ecosense Inc.$140.284.1★1,180 rev
Ecosense RD200P RadonEye Pro Certified Digital Radon Monitor for Professionals Easy Report Generation User Friendly App Dashboard Report All-in-One Package
Ecosense Inc.$788.013.8★14 rev
Radon Detector by Forensics | Home Use | Upgraded 20-Year Sensor Life | Version 2.0 |
FORENSICS DETECTORS FD$88.554.5★153 rev
Newest
by launch date
AEGTEST HOUND-1011S Portable Radon Detector High-Accuracy Sensor for Home Lightweight Audible & Visual Alarms Long-Term Monitoring Easy-to-Use Radon Tester in pCi/L or Bq/m for Basement
AEGTEST$59.21501 rev
AEGTEST HOUND-1011S Portable Radon Detector High-Accuracy Sensor for Home Lightweight Audible & Visual Alarms Long-Term Monitoring Easy-to-Use Radon Tester in pCi/L or Bq/m for Basement
AEGTEST$59.58501 rev
Radon Detector | 20-Year Radon Sensor | Long-Life Home Air Quality Monitor
CHNADKS$76.6787 rev
X-Sense Radon Detector for Basement Zero Lab Fees XR0A-SR White
X-Sense$63.611,031 rev
Airthings 325 Corentium Home 2 Smart Digital Radon Detector - Portable and Easy-to-use Radon Testing with Bluetooth connectivity and Humidity & Temperature Sensors
Airthings$172.01313 rev
Trending
90-day click momentumRadon Detector by Forensics | Home Use | Upgraded 20-Year Sensor Life | Version 2.0 |
FORENSICS DETECTORS FD$88.554.5★
AEGTEST HOUND-1011S Portable Radon Detector High-Accuracy Sensor for Home Lightweight Audible & Visual Alarms Long-Term Monitoring Easy-to-Use Radon Tester in pCi/L or Bq/m for Basement
AEGTEST$59.584.6★
AEGTEST HOUND-1011S Portable Radon Detector High-Accuracy Sensor for Home Lightweight Audible & Visual Alarms Long-Term Monitoring Easy-to-Use Radon Tester in pCi/L or Bq/m for Basement
AEGTEST$59.214.6★
Radon Detector | 20-Year Radon Sensor | Long-Life Home Air Quality Monitor
CHNADKS$76.674.2★
First Alert Radon Gas Test Kit RD1
First Alert$19.074.3★
What buyers say about radon eye
What buyers praise and complain about, mined from review topics.What buyers love
“easy to read”
“It seems well made”
“Great value”
“Works as advertised”
“Works great”
“Followed the instructions”
“Battery life is good”
“Reliable device”
“-The accuracy is pretty good”
“Easy to use, portable, clear and accurate”
What buyers complain about
“continues to lose connection”
“I have no way to calibrate it for accuracy”
“Stopped working after about one month”
“Highly would not recommend for the price”
“Eventually the display would go blank for a week or more and then come back on”
“hardware reliability is not good”
“Instruction manual is virtually unreadable- tiny print”
“Eventually the display would go blank for a week or more”
“Would like the display to be bigger”
“I can't use it”
Top return reasons
Common questions
- Is radon eye profitable to sell on Amazon United States?
- The niche generates $69K/yr across 14 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -25.9%. Flapen's verdict: Skip it (32/100).
- How competitive is the radon eye niche?
- 8 brands and 34 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 89% of demand.
- What do buyers complain about in radon eye?
- Top complaints mined from reviews: Connectivity-Overall, Measurement/Reading Accuracy, Durability. The return rate is 3.1%.
- When does demand for radon eye peak?
- Demand peaks in Nov; the busiest month runs 1.6× the quietest.
- What does it cost to enter the radon eye niche?
- Listings span $19.07–$788.01; the average listing price is $166.32 (sweet spot $15–$100). The average incumbent carries 2,155 reviews — the moat a new listing must climb.