armpit thermometer for babies
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible15.3%search→purchase rate — share of searches ending in a sale
Returns
Great1.3%return rate — above 5% kills the launch gate
Avg price
Good$14.00avg listing price — sweet spot $15–$100
Price range
Good$4.97–$33.68cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad9,355.33avg incumbent reviews — the moat a new listing must climb
Market size
Bad$82K$82K/yr · 38K searches
Growth
Bad-21.9%90-day search growth — must beat 0% to launch
Competition
Bad85%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, armpit thermometer for babies is a $82K/yr Amazon United States market (38K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 38/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
armpit thermometer for babies market data
- Units sold / yr
- 6K–8K
- avg 500–750/product
- Revenue / yr
- $84K–$112K
- units × avg price
- Conversion rate
- 15.3%
- Avg BSR
- #6
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 78%
- Out of stock
- 0.0%
- Avg brand age
- 58 months
- Avg seller age
- 161 days
Competition & brand share
The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 rising
Sellers
19
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
85%
Top 20: 100%
Open market
0%
- Safety 1st42%
- Frida36%
- Boncare16%
- Vicks4%
- Braun2%
Demand & seasonality
Weekly Amazon search volume, last 88 weeks — -21.9% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top armpit thermometer for babies search terms
- armpit thermometer for babies8K/yr
- safety first thermometer7K/yr
- frida 3 in 1 thermometer6K/yr
- safety first thermometer baby4K/yr
- underarm thermometer baby3K/yr
- axillary thermometer for babies3K/yr
- safety 1st thermometer baby2K/yr
- safety 1st thermometer3K/yr
- frida baby 3-in-1 true temp thermometer2K/yr
Top armpit thermometer for babies 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 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Safety 1st Rapid Read 3-In-1 Thermometer Aqua One Size
Safety 1st$13.174.6★1,895 rev
Frida Baby 3-in-1 Rectal Underarm & Oral Thermometer for Kids Digital Baby Thermometer for Infants Toddlers & Kids Quick & Accurate Temperature Check Includes Carrying Case for Storage
Frida$15.434.6★3,759 rev
Safety 1st 3-in-1 Nursery Thermometer Analog
Safety 1st$4.974.6★6,878 rev
Frida Baby Thermometer 3-in-1 Infrared Thermometer for Ear Forehead & Touchless Fever Thermometer for Baby Infants Toddlers Kids & Adults
Frida$33.684.4★6,233 rev
Boncare 10 Seconds Digital Thermometer for Adults and Kids - Accurate & Safe Rectal Thermometer for Baby with Fever Alarm Oral Thermometer (Dark Blue)
Boncare$7.474.4★33,298 rev
Newest
by launch date
Braun Digital Thermometer Clinically Accurate Color Coded Fever Guidance Thermometer for Adults Baby Toddlers & Kids Oral Rectal or Underarm use No 1 Brand Recommended by Pediatricians
Braun$20.18511 rev
Boncare 9 Seconds Basal Body Thermometer for Ovulation Oral Thermometer for Adults and Kids - Accurate Rectal Thermometer with Fever Alarm and Large Display (Rice-White)
Boncare$14.212,847 rev
Vicks SpeedRead Digital Thermometer for Baby Kids & Adults Color-Coded Readings Oral Baby Rectal Thermometer or Under The Arm Water Resistant
Vicks$9.993,154 rev
Frida Baby Thermometer 3-in-1 Infrared Thermometer for Ear Forehead & Touchless Fever Thermometer for Baby Infants Toddlers Kids & Adults
Frida$33.686,233 rev
Frida Baby 3-in-1 Rectal Underarm & Oral Thermometer for Kids Digital Baby Thermometer for Infants Toddlers & Kids Quick & Accurate Temperature Check Includes Carrying Case for Storage
Frida$15.433,759 rev
Trending
90-day click momentum
Boncare 10 Seconds Oral Thermometer for Adults and Kids - Accurate & Safe Rectal Thermometer for Baby with Fever Alarm Digital Thermometer (Light Blue)
Boncare$6.884.3★
Safety 1st Rapid Read 3-In-1 Thermometer Aqua One Size
Safety 1st$13.174.6★
Braun Digital Thermometer Clinically Accurate Color Coded Fever Guidance Thermometer for Adults Baby Toddlers & Kids Oral Rectal or Underarm use No 1 Brand Recommended by Pediatricians
Braun$20.184.5★
Boncare 9 Seconds Basal Body Thermometer for Ovulation Oral Thermometer for Adults and Kids - Accurate Rectal Thermometer with Fever Alarm and Large Display (Rice-White)
Boncare$14.214.3★
Frida Baby Thermometer 3-in-1 Infrared Thermometer for Ear Forehead & Touchless Fever Thermometer for Baby Infants Toddlers Kids & Adults
Frida$33.684.4★
What buyers say about armpit thermometer for babies
What buyers praise and complain about, mined from review topics.What buyers love
“easy to operate”
“The temperature is pretty accurate”
“Accurate and easy to use”
“The overall build quality feels solid”
“Cheap Price”
“Effective”
“Exactly as advertised”
“a screen thats easily readable”
“the color-coded fever guidance is very helpful”
“Long battery life”
What buyers complain about
“Inaccurate reading”
“does not record temperature”
“Not Accurate”
“It doesn't function”
“Battery life is poor”
“Doesn't last”
“Awful quality control”
“not as listed”
“Cheap”
“Sometimes they show no fever at all when there definitely is one”
Top return reasons
Common questions
- Is armpit thermometer for babies profitable to sell on Amazon United States?
- The niche generates $82K/yr across 9 tracked products. 90-day search growth is -21.9%. Flapen's verdict: Skip it (38/100).
- How competitive is the armpit thermometer for babies niche?
- 5 brands and 19 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in armpit thermometer for babies?
- Top complaints mined from reviews: Measurement/Reading Accuracy, Temperature Control, Accuracy-Overall. The return rate is 1.3%.
- When does demand for armpit thermometer for babies peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the armpit thermometer for babies niche?
- Listings span $4.97–$33.68; the average listing price is $14.00 (sweet spot $15–$100). The average incumbent carries 9,355 reviews — the moat a new listing must climb.