Is rectal thermometer for babies profitable to sell on Amazon United States?

The niche generates $541K/yr across 10 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -5.3%. Flapen's verdict: Skip it (41/100).

How competitive is the rectal thermometer for babies niche?

5 brands and 24 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in rectal thermometer for babies?

Top complaints mined from reviews: Measurement/Reading Accuracy, Accuracy-Overall, Battery Life. The return rate is 1.2%.

When does demand for rectal thermometer for babies peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the rectal thermometer for babies niche?

Listings span $4.43–$15.43; the average listing price is $10.01 (sweet spot $15–$100). The average incumbent carries 9,205 reviews — the moat a new listing must climb.

rectal thermometer for babies

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Conversion

Incredible14.9%

search→purchase rate — share of searches ending in a sale

Returns

Great1.2%

return rate — above 5% kills the launch gate

Market size

Good$541K

$541K/yr · 363K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Avg price

Okay$10.01

avg listing price — sweet spot $15–$100

Growth

Bad-5.3%

90-day search growth — must beat 0% to launch

Review moat

Bad9,205.3

avg incumbent reviews — the moat a new listing must climb

Competition

Bad83%

top-5 click share — a locked-up shelf

Price range

Bad$4.43–$15.43

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, rectal thermometer for babies is a $541K/yr Amazon United States market (363K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 41/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

rectal thermometer for babies market data

Units sold / yr: 50K–60K; avg 6,000–8,000/product
Revenue / yr: $501K–$601K; units × avg price
Conversion rate: 14.9%
Avg BSR: #119
Page quality: 0%
Prime: 100%
Sponsored: 70%
Out of stock: 0.0%
Avg brand age: 76 months
Avg seller age: 162 days

Competition & brand share

The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 flat

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

83%

Top 20: 100%

Open market

Frida54%
Boncare26%
Vicks12%
Safety 1st6%
Tempx2%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -5.3% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top rectal thermometer for babies search terms

rectal thermometer for babies157K/yr -9.7%16.2% conv.
baby rectal thermometer58K/yr +6.5%13.3% conv.
rectal thermometer55K/yr -4.0%8.3% conv.
infant rectal thermometer21K/yr -8.2%17.8% conv.
frida baby rectalthermometer14K/yr -23.6%17.6% conv.
frida rectalthermometer10K/yr -18.3%17.3% conv.
vicks baby rectal thermometer4K/yr +31.1%3.8% conv.
baby thermometer rectal4K/yr +4.9%11.5% conv.
newborn rectal thermometer3K/yr +27.5%19.4% conv.
butt thermometer baby4K/yr -2.3%11.8% conv.

All search terms

Top rectal 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 10 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Frida Baby Rectal Thermometer for Babies Digital Fever Thermometer for Babies Newborns & Infants Quick & Accurate Temperature Check Water Resistant Clear Case Memory Holds Last 10 Readings

Frida$13.524.8★11,753 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

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

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★2,847 rev

Vicks Baby Rectal Thermometer Baby Thermometer for Rectal Temperature Short and Flexible Tip with Fast Read Times and Large Digital Display

Vicks$10.014.4★2,418 rev

Newest

by launch date

8 Seconds Thermometer for Adults & Kids Accurate & Safe Baby Thermometer with Fever Alarm and Memory Recall Oral Rectal or Underarm Use (White)

Tempx$4.43428 rev

5mo ago

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

2y ago

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

3y ago

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

5y ago

Boncare 10 Seconds Oral Thermometer for Adults and Kids - Accurate & Safe Rectal Thermometer for Baby with Fever Alarm Digital Thermometer (Light Blue)

Boncare$6.8825,623 rev

5y ago

What buyers say about rectal thermometer for babies

What buyers praise and complain about, mined from review topics.

What buyers love

Ease Of Use20%

“easy to operate”

Temperature Control17%

“you can easily read the temperature”

Accuracy-Overall11%

“Accurate and easy to use”

Value For Money10%

“Cheap Price”

Quality-Overall8%

“Good quality and seems quite accurate”

Efficiency6%

“Effective”

Advertised Vs Actual Product5%

“Exactly as advertised”

Display-Overall3%

“The display works fine”

Size-Overall1%

“The size is convenient”

Health Monitoring1%

“A reliable and accessible option to monitor the health of the whole family”

What buyers complain about

Measurement/Reading Accuracy20%

“Inaccurate reading”

Accuracy-Overall10%

“Not Accurate”

Battery Life10%

“Battery life is poor”

Temperature Control10%

“The stupidest thermos control that never work correctly”

Functionality-Overall9%

“It doesn't function”

Durability7%

“Doesn't last”

Quality-Overall7%

“Awful quality control”

Fever Relief3%

“Definitely not something I would trust when checking for an actual fever”

Value For Money2%

“Waste of money”

Advertised Vs Actual Product1%

“not as listed”

Top return reasons

Measurement/Reading Accuracy32%

Functionality-Overall18%

Value For Money7%

Temperature Control7%

Heating6%

Accuracy-Overall5%

Display-Overall4%

Advertised Vs Actual Product4%

Battery Life2%

Product Condition2%

Common questions

Is rectal thermometer for babies profitable to sell on Amazon United States?: The niche generates $541K/yr across 10 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -5.3%. Flapen's verdict: Skip it (41/100).
How competitive is the rectal thermometer for babies niche?: 5 brands and 24 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in rectal thermometer for babies?: Top complaints mined from reviews: Measurement/Reading Accuracy, Accuracy-Overall, Battery Life. The return rate is 1.2%.
When does demand for rectal thermometer for babies peak?: Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the rectal thermometer for babies niche?: Listings span $4.43–$15.43; the average listing price is $10.01 (sweet spot $15–$100). The average incumbent carries 9,205 reviews — the moat a new listing must climb.