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86

pool thermometer

Worth a look

Shows demand growing >1,000% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 75Growth 100Conversion 57Competition 95Returns 88Price range 76Avg price 88Brand share 95Review moat 75Quality gap 97

Growth

Incredible>1,000%

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

Quality gap

Incredible3.8★

avg incumbent rating — lower means beatable quality

Competition

Incredible18%

top-5 click share — an open shelf

Brand share

Incredible39%

top-5 brand share — no brand owns this niche

Returns

Great1.3%

return rate — above 6% kills the launch gate

Avg price

Great€20.12

avg listing price — sweet spot $15–$100

Price range

Great€2.53–€56.41

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

Market size

Good€839K

€839K/yr · 862K searches

Review moat

Good509.74

avg incumbent reviews — the moat a new listing must climb

Conversion

Good4.8%

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

According to Flapen's Amazon Germany niche tracking, pool thermometer is a €839K/yr Amazon Germany market (862K searches/yr). The top 5 brands hold 39% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 86/100.

Data updated Jul 13, 2026 · scored weekly · How we score niches

Market data

Units sold / yr
40K–50K
avg 250–500/product
Revenue / yr
€805K–€1.0M
units × avg price
Launch success
87%
27 of 31 new (360d)
Conversion rate
4.8%
Avg BSR
#72
Page quality
0%
Prime
90%
Sponsored
91%
Out of stock
18.3%
Avg brand age
37 months
Avg seller age
191 days

Competition

Clicks spread well past the top 5 (18% combined) — an open shelf where new products get seen.

Brands

47 rising

Sellers

115

Top-5 brand share

39%

Top 20: 85%

Top-5 click share

18%

Top 20: 56%

Open market

56%

  • TFA Dostmann10%
  • Baldr9%
  • Aottom8%
  • Newentor6%
  • GoveeLife5%
  • CSL-Computer5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — >1,000% search growth over the last 90 days.
125K75KPrime Day '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul · busiest ÷ quietest = 44.2×

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%2%€17K4%€34K6%€50K8%€67K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 82 tracked products in this niche — three views at once, no toggling.

Reviews

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

What buyers love

Qualität insgesamt13%

“Super Produkt”

Benutzerfreundlichkeit12%

“Besonders praktisch finde ich, dass man die Wassertemperatur jederzeit auf dem Handy prüfen kann, ohne extra nach draußen gehen zu müssen”

beworben Vs Tatsächliches Produkt8%

“Hält, was er verspricht”

Gesamt anzeigen7%

“Großes, gut ablesbares Display”

Preis-Leistungs-Verhältnis6%

“Super Preis-Leistung”

Effizienz5%

“Klappt bestens”

Konnektivität – insgesamt5%

“Stabile Verbindung: Die Funkverbindung zwischen dem Sender im Pool und dem Empfänger im Haus läuft absolut stabil”

Wasserbeständigkeit4%

“hält dank der wasserdichten Verarbeitung auch verschiedenen Wetterbedingungen stand.”

Design insgesamt4%

“Cooles Design”

Akkulaufzeit3%

“Das Beste an dem Teil sind die 6 AAA Batterien”

What buyers complain about

Haltbarkeit23%

“schon wieder defekt”

Konnektivität – insgesamt11%

“Bluetooth-Verbindung fällt öfter aus”

Qualität insgesamt9%

“Unzuverlässig”

Funktionalität insgesamt7%

“Half alles nix”

Gesamt anzeigen6%

“Defektes Display bei Erhalt”

Akkulaufzeit5%

“Probleme nach Batterietausch”

Wasserbeständigkeit4%

“Display fällt aus, Wassereintritt, Leider keine gute Entscheidung”

Auslaufsicher4%

“Defekt da undicht”

Heizung3%

“Poolthermometer defekt”

Benutzerfreundlichkeit2%

“Eingeschränkte Nutzbarkeit”

Top return reasons

Funktionalität insgesamt21%
Konnektivität – insgesamt19%
Gesamt anzeigen10%
Defekt Material/Teile8%
Heizung6%
Kompatibilität – insgesamt5%
Gesamtgröße4%
Auslaufsicher4%
Haltbarkeit4%
Wasserbeständigkeit3%

Common questions

Is pool thermometer profitable to sell on Amazon Germany?
The niche generates €839K/yr across 82 tracked products. 27 of 31 products launched in the last 360 days are still selling. 90-day search growth is >1,000%. Flapen's verdict: Worth a look (86/100).
How competitive is the pool thermometer niche?
47 brands and 115 sellers compete. The top 5 products take 18% of clicks and top 5 brands hold 39% of demand.
What do buyers complain about in pool thermometer?
Top complaints mined from reviews: Haltbarkeit, Konnektivität – insgesamt, Qualität insgesamt. The return rate is 1.3%.
When does demand for pool thermometer peak?
Demand peaks in May–Jun–Jul; the busiest month runs 44.2× the quietest.
What does it cost to enter the pool thermometer niche?
Listings span €2.53–€56.41; the average listing price is €20.12 (sweet spot $15–$100). The average incumbent carries 510 reviews — the moat a new listing must climb.

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