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51

oral thermometer

Worth a look

Shows searches that convert (16.0% search→purchase), but soft demand (-30.2% this quarter) keeps it on the watch list.

Market size 80Growth 10Conversion 98Competition 22Returns 96Price range 33Avg price 49Brand share 24Review moat 20Quality gap 73

Conversion

Incredible16.0%

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

Returns

Incredible0.8%

return rate — above 5% kills the launch gate

Market size

Great$1.1M

$1.1M/yr · 591K searches

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Avg price

Okay$11.88

avg listing price — sweet spot $15–$100

Price range

Okay$4.15–$20.30

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

Brand share

Bad91%

top-5 brand share — brand-locked demand

Competition

Bad74%

top-5 click share — a locked-up shelf

Review moat

Bad13,642.64

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-30.2%

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

According to Flapen's Amazon United States niche tracking, oral thermometer is a $1.1M/yr Amazon United States market (591K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Worth a look — 51/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

oral thermometer market data

Units sold / yr
100K–125K
avg 8,000–10,000/product
Revenue / yr
$1.2M–$1.5M
units × avg price
Conversion rate
16.0%
Avg BSR
#7
Page quality
0%
Prime
100%
Sponsored
93%
Out of stock
0.0%
Avg brand age
72 months
Avg seller age
168 days

Competition & brand share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 falling

Sellers

31

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

7%

  • Boncare42%
  • Vicks34%
  • Braun6%
  • FDK6%
  • Tempx3%
  • DEARMAMY3%
  • Open — no brand owns it (4 brands, 7%)

Demand & seasonality

Weekly Amazon search volume, last 102 weeks — -30.2% search growth over the last 90 days.
20K15KSpike '24Spike '25Prime Day '25Holiday '25Spike '26DecMarJunAugNovMarMay

Peak months: Jan, Feb, Mar · busiest ÷ quietest = 2.6×

Top oral thermometer search terms

  • oral thermometer for adults143K/yr
  • oral thermometer117K/yr
  • vicks thermometer58K/yr
  • thermometer oral60K/yr
  • digital oral thermometer19K/yr
  • mouth thermometer19K/yr
  • mouth thermometer for adults19K/yr
  • vicks thermometer digital23K/yr
  • oral digital thermometer13K/yr
  • under tongue thermometer15K/yr
All search terms

Top oral thermometer 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%$113K20%$225K30%$338K40%$450K1001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 14 tracked products in this niche — three views at once, no toggling.

What buyers say about oral thermometer

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

What buyers love

Ease Of Use23%

“easy to operate”

Temperature Control17%

“you can easily read the temperature”

Accuracy-Overall9%

“Accurate and easy to use”

Value For Money9%

“Price is affordable”

Quality-Overall8%

“This has been a trusted quality brand for many years”

Advertised Vs Actual Product6%

“As described”

Efficiency5%

“Effective”

Display-Overall2%

“the display is easy to read”

Size-Overall1%

“Fit and work as intended”

Durability1%

“It is durable”

What buyers complain about

Measurement/Reading Accuracy24%

“Bad readings”

Temperature Control11%

“does not record temperature”

Functionality-Overall10%

“It doesn't function”

Accuracy-Overall8%

“Accuracy off”

Battery Life7%

“Battery life is poor”

Quality-Overall7%

“Awful quality control”

Durability5%

“Doesn't last”

Value For Money2%

“Waste of money”

Advertised Vs Actual Product2%

“This is misleading advertising”

Fever Relief2%

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

Top return reasons

Measurement/Reading Accuracy34%
Functionality-Overall18%
Temperature Control7%
Heating6%
Value For Money6%
Accuracy-Overall6%
Advertised Vs Actual Product4%
Display-Overall4%
Product Condition2%
Battery Life2%

Common questions

Is oral thermometer profitable to sell on Amazon United States?
The niche generates $1.1M/yr across 14 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -30.2%. Flapen's verdict: Worth a look (51/100).
How competitive is the oral thermometer niche?
10 brands and 31 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 91% of demand.
What do buyers complain about in oral thermometer?
Top complaints mined from reviews: Measurement/Reading Accuracy, Temperature Control, Functionality-Overall. The return rate is 0.8%.
When does demand for oral thermometer peak?
Demand peaks in Jan–Feb–Mar; the busiest month runs 2.6× the quietest.
What does it cost to enter the oral thermometer niche?
Listings span $4.15–$20.30; the average listing price is $11.88 (sweet spot $15–$100). The average incumbent carries 13,643 reviews — the moat a new listing must climb.