---
title: "Oral Thermometer — $1.1M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/oral-thermometer"
last_updated: "2026-08-12T03:00:45.520Z"
locale: en
meta:
  description: "Niche score 51/100 · $1.1M/yr market · 591K searches/yr · $11.88 avg price. Soft demand (-30.2% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 51/100 · $1.1M/yr market · 591K searches/yr · $11.88 avg price. Soft demand (-30.2% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Oral Thermometer — $1.1M/yr Amazon US Niche (2026) - Flapen"
---

# **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**

**Incredible****16.0%**

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

**Returns**

**Incredible****0.8%**

return rate — above 5% kills the launch gate

**Market size**

**Great****$1.1M**

$1.1M/yr · 591K searches

**Quality gap**

**Good****4.3★**

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**

**Bad****91%**

top-5 brand share — brand-locked demand

**Competition**

**Bad****74%**

top-5 click share — a locked-up shelf

**Review moat**

**Bad****13,642.64**

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 ~~](https://flapen.com/research/methodology)

## **oral thermometer market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**100K–125K**</dd><dd>avg 8,000–10,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**$1.2M–$1.5M**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**16.0%**</dd>

<dt>**Avg BSR**</dt><dd>**#7**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**93%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**72 months**</dd>

<dt>**Avg seller age**</dt><dd>**168 days**</dd>

</dl>

## **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 '26 seasonDecMarJunAugNovMarMay

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

[**Open Trend **](https://flapen.com/research/us/health-household/oral-thermometer/trend)

## **Top oral thermometer search terms**

- **oral thermometer for adults**143K/yr-31.9%16.8% conv. - **oral thermometer**117K/yr-37.9%12.0% conv. - **vicks thermometer**58K/yr-26.4%14.7% conv. - **thermometer oral**60K/yr-41.9%16.1% conv. - **digital oral thermometer**19K/yr+175.5%15.8% conv. - **mouth thermometer**19K/yr-25.6%9.1% conv. - **mouth thermometer for adults**19K/yr-34.8%18.8% conv. - **vicks thermometer digital**23K/yr-40.2%19.8% conv. - **oral digital thermometer**13K/yr-30.3%12.4% conv. - **under tongue thermometer**15K/yr-40.5%16.4% conv. [**All search terms **](https://flapen.com/research/us/health-household/oral-thermometer/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 moatMarket 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.

### **Top sellers**

by 90-day click share

[1![Vicks SpeedRead Digital Thermometer for Baby Kids & Adults Color-Coded Readings Oral Baby Rectal Thermometer or Under The Arm Water Resistant](https://m.media-amazon.com/images/I/41G7LJ3ShpL.jpg)**Vicks SpeedRead Digital Thermometer for Baby Kids & Adults Color-Coded Readings Oral Baby Rectal Thermometer or Under The Arm Water Resistant**Vicks**$9.99**4.5★3,202 rev](https://www.amazon.com/dp/B0C82QD5BB) [2![Boncare 10 Seconds Oral Thermometer for Adults and Kids Light Blue](https://m.media-amazon.com/images/I/41QZhincsDL.jpg)**Boncare 10 Seconds Oral Thermometer for Adults and Kids Light Blue**Boncare**$6.90**4.3★25,695 rev](https://www.amazon.com/dp/B08B8BDG42) [3![Boncare Digital Thermometer for Adults Kids & Babies Dark Blue](https://m.media-amazon.com/images/I/41+62xGeVSL.jpg)**Boncare Digital Thermometer for Adults Kids & Babies Dark Blue**Boncare**$7.47**4.4★33,328 rev](https://www.amazon.com/dp/B08B7V2RG3) [4![Boncare 9 Seconds Basal Body Thermometer for Ovulation (Rice-White)](https://m.media-amazon.com/images/I/41iMnS5wFCL.jpg)**Boncare 9 Seconds Basal Body Thermometer for Ovulation (Rice-White)**Boncare**$14.23**4.3★2,865 rev](https://www.amazon.com/dp/B0D5Q7TNCG) [5![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](https://m.media-amazon.com/images/I/41BFZu+8w7L.jpg)**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**$20.30**4.5★520 rev](https://www.amazon.com/dp/B0DV8F226M)

**~~View all top sellers →~~**

### **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)](https://m.media-amazon.com/images/I/21KqoYE2jiL.jpg)**8 Seconds Thermometer for Adults & Kids Accurate & Safe Baby Thermometer with Fever Alarm and Memory Recall Oral Rectal or Underarm Use (White)**Tempx**$4.63**444 rev5mo ago](https://www.amazon.com/dp/B0GHXTY6PZ) [![FDK Large LCD Screen Digital Thermometer for Fever 8 Seconds Fast & Accurate Readings Large LCD Dual Color Backlight Flexible Tip Ideal for Adults Kids and Babies FSA](https://m.media-amazon.com/images/I/41TaRNQNHWL.jpg)**FDK Large LCD Screen Digital Thermometer for Fever 8 Seconds Fast & Accurate Readings Large LCD Dual Color Backlight Flexible Tip Ideal for Adults Kids and Babies FSA**FDK**$18.96**298 rev1y ago](https://www.amazon.com/dp/B0DLXNZGYH) [![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](https://m.media-amazon.com/images/I/41BFZu+8w7L.jpg)**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**$20.30**520 rev1y ago](https://www.amazon.com/dp/B0DV8F226M) [![Glass Oral Adults Classic Accurate Temperature Measurement for Fever Oral Armpit Families Clinic](https://m.media-amazon.com/images/I/31-DeRgRtKL.jpg)**Glass Oral Adults Classic Accurate Temperature Measurement for Fever Oral Armpit Families Clinic**DEARMAMY**$10.01**780 rev1y ago](https://www.amazon.com/dp/B0DFH64CCP) [![8 Second Digital Oral Thermometer Fast Reading Thermometer for Adults and Kids with 3 Color Backlit and Fever Alarm for Oral Rectal Underarm](https://m.media-amazon.com/images/I/419VM1dttxL.jpg)**8 Second Digital Oral Thermometer Fast Reading Thermometer for Adults and Kids with 3 Color Backlit and Fever Alarm for Oral Rectal Underarm**Rongfeng**$6.34**921 rev2y ago](https://www.amazon.com/dp/B0D631QMN7)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![8 Seconds Thermometer for Adults & Kids Accurate & Safe Baby Thermometer with Fever Alarm and Memory Recall Oral Rectal or Underarm Use (White)](https://m.media-amazon.com/images/I/21KqoYE2jiL.jpg)**8 Seconds Thermometer for Adults & Kids Accurate & Safe Baby Thermometer with Fever Alarm and Memory Recall Oral Rectal or Underarm Use (White)**Tempx**$4.63**4.4★**▲ 261%**](https://www.amazon.com/dp/B0GHXTY6PZ) [![FDK Large LCD Screen Digital Thermometer for Fever 8 Seconds Fast & Accurate Readings Large LCD Dual Color Backlight Flexible Tip Ideal for Adults Kids and Babies FSA](https://m.media-amazon.com/images/I/41TaRNQNHWL.jpg)**FDK Large LCD Screen Digital Thermometer for Fever 8 Seconds Fast & Accurate Readings Large LCD Dual Color Backlight Flexible Tip Ideal for Adults Kids and Babies FSA**FDK**$18.96**4.5★**▲ 82%**](https://www.amazon.com/dp/B0DLXNZGYH) [![8 Second Digital Oral Thermometer Fast Reading Thermometer for Adults and Kids with 3 Color Backlit and Fever Alarm for Oral Rectal Underarm](https://m.media-amazon.com/images/I/419VM1dttxL.jpg)**8 Second Digital Oral Thermometer Fast Reading Thermometer for Adults and Kids with 3 Color Backlit and Fever Alarm for Oral Rectal Underarm**Rongfeng**$6.34**4.4★**▲ 37%**](https://www.amazon.com/dp/B0D631QMN7) [![Femometer Thermometer for Adults and Kids Digital Thermometer with Fever Alert Memory Recall C/F Switchable for Oral Rectal or Under Arm Use Klein Blue](https://m.media-amazon.com/images/I/41mOczTFOBL.jpg)**Femometer Thermometer for Adults and Kids Digital Thermometer with Fever Alert Memory Recall C/F Switchable for Oral Rectal or Under Arm Use Klein Blue**femometer**$4.15**4.4★**▲ 35%**](https://www.amazon.com/dp/B09QKFH6YW) [![Vicks RapidRead Digital Thermometer Temperature Readings in 2 Seconds Use as Oral Thermometer for Adults and Baby Rectal Thermometer or Under Arm Water Resistant](https://m.media-amazon.com/images/I/31iYoTw3qjL.jpg)**Vicks RapidRead Digital Thermometer Temperature Readings in 2 Seconds Use as Oral Thermometer for Adults and Baby Rectal Thermometer or Under Arm Water Resistant**Vicks**$18.34**3.9★**▲ 35%**](https://www.amazon.com/dp/B0C833TP88)

**~~View all trending →~~**

## **What buyers say about oral thermometer**

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

### **What buyers love **

**Ease Of Use**23%

*“easy to operate”*

**Temperature Control**17%

*“you can easily read the temperature”*

**Accuracy-Overall**9%

*“Accurate and easy to use”*

**Value For Money**9%

*“Price is affordable”*

**Quality-Overall**8%

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

**Advertised Vs Actual Product**6%

*“As described”*

**Efficiency**5%

*“Effective”*

**Display-Overall**2%

*“the display is easy to read”*

**Size-Overall**1%

*“Fit and work as intended”*

**Durability**1%

*“It is durable”*

### **What buyers complain about **

**Measurement/Reading Accuracy**24%

*“Bad readings”*

**Temperature Control**11%

*“does not record temperature”*

**Functionality-Overall**10%

*“It doesn't function”*

**Accuracy-Overall**8%

*“Accuracy off”*

**Battery Life**7%

*“Battery life is poor”*

**Quality-Overall**7%

*“Awful quality control”*

**Durability**5%

*“Doesn't last”*

**Value For Money**2%

*“Waste of money”*

**Advertised Vs Actual Product**2%

*“This is misleading advertising”*

**Fever Relief**2%

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

### **Top return reasons **

**Measurement/Reading Accuracy**34%

**Functionality-Overall**18%

**Temperature Control**7%

**Heating**6%

**Value For Money**6%

**Accuracy-Overall**6%

**Advertised Vs Actual Product**4%

**Display-Overall**4%

**Product Condition**2%

**Battery Life**2%

## **Common questions**

<dl>

<dt>**Is oral thermometer profitable to sell on Amazon United States?**</dt><dd>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).</dd>

<dt>**How competitive is the oral thermometer niche?**</dt><dd>10 brands and 31 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 91% of demand.</dd>

<dt>**What do buyers complain about in oral thermometer?**</dt><dd>Top complaints mined from reviews: Measurement/Reading Accuracy, Temperature Control, Functionality-Overall. The return rate is 0.8%.</dd>

<dt>**When does demand for oral thermometer peak?**</dt><dd>Demand peaks in Jan–Feb–Mar; the busiest month runs 2.6× the quietest.</dd>

<dt>**What does it cost to enter the oral thermometer niche?**</dt><dd>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.</dd>

</dl>

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