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58

thermometer

Worth a look

Shows a $2.7M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 96Growth 21Conversion 82Competition 47Returns 96Price range 62Avg price 53Brand share 35Review moat 21Quality gap 52

Market size

Incredible£2.7M

£2.7M/yr · 2.5M searches

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Conversion

Great8.8%

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

Price range

Good£4.71–£31.71

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

Avg price

Good£12.34

avg listing price — sweet spot $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Okay57%

top-5 click share — leaders hold, buyers still browse

Brand share

Okay84%

top-5 brand share — brands hold most of the demand

Growth

Bad-7.1%

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

Review moat

Bad11,522

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United Kingdom niche tracking, thermometer is a £2.7M/yr Amazon United Kingdom market (2.5M searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Jan–Dec. Verdict: Worth a look — 58/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

thermometer market data

Units sold / yr
200K–250K
avg 10,000–12,500/product
Revenue / yr
£2.5M–£3.1M
units × avg price
Conversion rate
8.8%
Avg BSR
#4
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
3.5%
Avg brand age
49 months
Avg seller age
175 days

Competition & brand share

The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 flat

Sellers

79

Top-5 brand share

84%

Top 20: 100%

Top-5 click share

57%

Top 20: 99%

Open market

10%

  • Braun28%
  • femometer25%
  • ANMEATE15%
  • OxiPro9%
  • INDOTEAM7%
  • Berrcom6%
  • Open — no brand owns it (7 brands, 10%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -7.1% search growth over the last 90 days.
80K60KSpike '24Black Friday '24Prime Day '25Spike '25Black Friday '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Jan, Dec · busiest ÷ quietest = 1.8×

Top thermometer search terms

  • thermometer1.2M/yr
  • baby thermometer249K/yr
  • digital thermometer211K/yr
  • thermometer for adults189K/yr
  • temperature thermometer175K/yr
  • thermometer for kids104K/yr
  • baby thermometer newborn62K/yr
  • forehead thermometer66K/yr
  • temp32K/yr
  • thermometers28K/yr
All search terms

Top 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%4%£110K8%£219K12%£329K16%£439K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

What buyers say about thermometer

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

What buyers love

Ease Of Use32%

“Easy to handle”

Quality-Overall16%

“Good product that performs well”

Value For Money13%

“Excellent value”

Advertised Vs Actual Product10%

“As Described”

Efficiency7%

“Does the job”

Temperature Control6%

“with easy temperature monitoring”

Accuracy-Overall2%

“Accurate and easy to use”

Battery Life1%

“The battery life is amazing”

Measurement/Reading Accuracy1%

“If its accurate”

Instructions/User Manual/Troubleshooting1%

“Clear instructions”

What buyers complain about

Measurement/Reading Accuracy26%

“Inaccurate”

Functionality-Overall13%

“Didnt work”

Quality-Overall7%

“Very bad quality it broke in 20 days”

Durability6%

“Failed after 5 weeks”

Temperature Control6%

“Please do not use - innacurate temperature”

Ease Of Use5%

“Not user friendly”

Value For Money5%

“Not worth the money”

Accuracy-Overall5%

“Poor accuracy when it matters most”

Battery Life3%

“after using it a couple of times it reads low battery”

Strength2%

“Not effective enough”

Top return reasons

Functionality-Overall30%
Measurement/Reading Accuracy25%
Defective Material/Parts6%
Accuracy-Overall5%
Heating4%
Temperature Control4%
Quality-Overall3%
Battery Life3%
Display-Overall2%
Error Popup2%

Common questions

Is thermometer profitable to sell on Amazon United Kingdom?
The niche generates £2.7M/yr across 21 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -7.1%. Flapen's verdict: Worth a look (58/100).
How competitive is the thermometer niche?
13 brands and 79 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 84% of demand.
What do buyers complain about in thermometer?
Top complaints mined from reviews: Measurement/Reading Accuracy, Functionality-Overall, Quality-Overall. The return rate is 0.7%.
When does demand for thermometer peak?
Demand peaks in Jan–Dec; the busiest month runs 1.8× the quietest.
What does it cost to enter the thermometer niche?
Listings span £4.71–£31.71; the average listing price is £12.34 (sweet spot $15–$100). The average incumbent carries 11,522 reviews — the moat a new listing must climb.