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basalthermometer

Worth a look

Shows beatable incumbent ratings (4.0★), but brand-locked demand (top 5 brands take 97% of clicks) keeps it on the watch list.

Market size 53Growth 14Conversion 74Competition 27Returns 77Price range 86Avg price 95Brand share 8Review moat 32Quality gap 95

Quality gap

Incredible4.0★

avg incumbent rating — lower means beatable quality

Avg price

Incredible€24.57

avg listing price — sweet spot $15–$100

Price range

Great€6.81–€83.46

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

Returns

Great1.9%

return rate — above 5% kills the launch gate

Conversion

Good6.9%

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

Market size

Good€334K

€334K/yr · 198K searches

Review moat

Okay3,343.93

avg incumbent reviews — the moat a new listing must climb

Competition

Okay69%

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

Growth

Bad-21.5%

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

Brand share

Bad97%

top-5 brand share — brand-locked demand

According to Flapen's Amazon Germany niche tracking, basalthermometer is a €334K/yr Amazon Germany market (198K searches/yr). The top 5 brands hold 97% of demand. Verdict: Worth a look — 50/100.

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

basalthermometer market data

Units sold / yr
10K–13K
avg 500–750/product
Revenue / yr
€246K–€307K
units × avg price
Conversion rate
6.9%
Avg BSR
#6
Page quality
0%
Prime
100%
Sponsored
86%
Out of stock
8.1%
Avg brand age
68 months
Avg seller age
198 days

Competition & brand share

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

6 falling

Sellers

35

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

0%

  • Easy@Home50%
  • iProvèn22%
  • Ovy9%
  • Beurer9%
  • Domotherm6%
  • femometer3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -21.5% search growth over the last 90 days.
5K4KSpike '25Prime Day '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top basalthermometer search terms

  • basalthermometer106K/yr
  • basalthermometer zur zykluskontrolle40K/yr
  • ovy basalthermometer10K/yr
  • nfp thermometer5K/yr
  • basalthermometer kinderwunsch10K/yr
  • bbt6K/yr
  • thermometer basaltemperatur5K/yr
  • basaltemperatur messen5K/yr
  • basalthermometer bluetooth3K/yr
  • ovy4K/yr
All search terms

Top basalthermometer 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%€33K20%€67K30%€100K40%€134K101001K10K100K 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 basalthermometer

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

What buyers love

beworben Vs Tatsächliches Produkt18%

“Alles so wie es sein soll”

Benutzerfreundlichkeit11%

“Es liegt angenehm in der Hand, und die Bedienung ist angenehm simpel: Kappe ab, es schaltet sich automatisch ein, messen, fertig”

Konnektivität – insgesamt9%

“Die App ist durchdacht und detailreich, die Verbindung per Bluetooth lief beim ersten Versuch reibungslos”

Temperaturkontrolle9%

“Das Thermometer hat anfangs noch funktioniert”

Effizienz8%

“Funktioniert einwandfrei und erfüllt seinen Zweck”

Qualität insgesamt6%

“Hochwertiges Basalthermometer mit zuverlässiger App”

Akkulaufzeit4%

“Batterie hält schon über ein Jahr”

Design insgesamt4%

“Schönes design und einfache Bedienung”

Preis-Leistungs-Verhältnis4%

“Alles prima, gutes Preis-Leistungsverhältnis”

Gesamt anzeigen4%

“Angenehmer Piepton, beleuchtetes Display”

What buyers complain about

Akkulaufzeit16%

“Low battery”

Haltbarkeit16%

“Nach 1 1/2 Jahren defekt”

Konnektivität – insgesamt11%

“der Ring synchronisiert nicht mehr.”

Preis-Leistungs-Verhältnis10%

“Viel zu teure App”

Funktionalität insgesamt9%

“Funktioniert nicht”

Temperaturkontrolle7%

“Misst die Temperatur”

Messung / Ablesegenauigkeit6%

“Ungenau”

Gesamt anzeigen5%

“Leider ist das Display auch nicht beleuchtet”

Qualität insgesamt3%

“Qualität mangelhaft”

Heizung2%

“Misst nicht die Temperatur”

Top return reasons

Funktionalität insgesamt25%
Konnektivität – insgesamt12%
Messung / Ablesegenauigkeit9%
Heizung6%
Kompatibilität – insgesamt6%
Defekt Material/Teile5%
Touch-/Tastensteuerung4%
Gesamtgröße4%
Produktzustand4%
Qualität insgesamt3%

Common questions

Is basalthermometer profitable to sell on Amazon Germany?
The niche generates €334K/yr across 14 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -21.5%. Flapen's verdict: Worth a look (50/100).
How competitive is the basalthermometer niche?
6 brands and 35 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 97% of demand.
What do buyers complain about in basalthermometer?
Top complaints mined from reviews: Akkulaufzeit, Haltbarkeit, Konnektivität – insgesamt. The return rate is 1.9%.
When does demand for basalthermometer peak?
Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the basalthermometer niche?
Listings span €6.81–€83.46; the average listing price is €24.57 (sweet spot $15–$100). The average incumbent carries 3,344 reviews — the moat a new listing must climb.