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nuki

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Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 99Growth 31Conversion 35Competition 7Returns 21Price range 0Avg price 47Brand share 0Review moat 67Quality gap 76

Market size

Incredible€7.0M

€7.0M/yr · 1.3M searches

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good803.5

avg incumbent reviews — the moat a new listing must climb

Avg price

Okay€197.22

avg listing price — sweet spot $15–$100

Conversion

Okay2.8%

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

Growth

Okay+4.9%

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

Returns

Bad6.1%

return rate — above 5% kills the launch gate

Competition

Bad91%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Price range

Bad€117.42–€342.41

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

According to Flapen's Amazon Germany niche tracking, nuki is a €7.0M/yr Amazon Germany market (1.3M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar–Nov. Verdict: Skip it — 40/100.

Data updated Jul 8, 2026 · scored weekly · How we score niches

nuki market data

Units sold / yr
20K–25K
avg 3,000–4,000/product
Revenue / yr
€3.9M–€4.9M
units × avg price
Conversion rate
2.8%
Avg BSR
#28
Page quality
0%
Prime
100%
Sponsored
75%
Out of stock
0.0%
Avg brand age
39 months
Avg seller age
183 days

Competition & brand share

The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.

Brands

2 falling

Sellers

31

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

91%

Top 20: 100%

Open market

0%

  • NUKI94%
  • SwitchBot6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +4.9% search growth over the last 90 days.
70K50KPrime Day '24Spike '24Black Friday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar, Nov · busiest ÷ quietest = 3.2×

Top nuki search terms

  • nuki491K/yr
  • nuki smart lock pro 5. generation273K/yr
  • nuki smart lock231K/yr
  • nuki smart lock pro54K/yr
  • nuki smart lock ultra84K/yr
  • nuki smart lock pro (4. generation)25K/yr
  • nuki pro23K/yr
  • nuki ultra16K/yr
  • nuki smart lock 3.0 pro8K/yr
  • nuki smart lock go8K/yr
All search terms

Top nuki 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%15%€1.1M30%€2.1M45%€3.2M60%€4.2M1001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 8 tracked products in this niche — three views at once, no toggling.

What buyers say about nuki

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

What buyers love

Montage/Installation21%

“Installation super easy”

Verriegelungsmechanismus18%

“Smart Lock Ultra”

Qualität insgesamt12%

“Super Produkt”

Benutzerfreundlichkeit6%

“The operation is simple and intuitive”

beworben Vs Tatsächliches Produkt4%

“Hält was es verspricht”

Effizienz4%

“Top funktioniert super”

Akkulaufzeit3%

“Hoher Akku Verbrauch”

Sicherheit3%

“Unterstützung des neuen Aliro-Standards (zukunftssicher für Smart Locks).”

Preis-Leistungs-Verhältnis3%

“Beste Investition”

Design insgesamt2%

“Schönes Design”

What buyers complain about

Haltbarkeit12%

“Leider sehr schnell defekt”

Verriegelungsmechanismus11%

“In wenig er als 5 monate ist lock kaput”

Funktionalität insgesamt9%

“Funktioniert nicht”

Preis-Leistungs-Verhältnis7%

“muss man aber extra zahlen.”

Akkulaufzeit4%

“Unzuverlässige Batterieanzeige”

Montage/Installation4%

“Die Installation ist etwas Fummelig”

Benutzerfreundlichkeit3%

“Schlüssel einführen ist etwas friggelig”

Konnektivität – insgesamt3%

“Bluetooth lässt sich nicht verbinden”

Qualität insgesamt3%

“Total doof”

Geräuschpegel2%

“Zuverlässig aber recht Laut”

Top return reasons

Gesamtgröße24%
Kompatibilität – insgesamt16%
Funktionalität insgesamt12%
Konnektivität – insgesamt8%
Verriegelungsmechanismus8%
Mechanismus probleme6%
Defekt Material/Teile4%
Montage/Installation3%
Geräuschpegel3%
Preis-Leistungs-Verhältnis3%

Common questions

Is nuki profitable to sell on Amazon Germany?
The niche generates €7.0M/yr across 8 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +4.9%. Flapen's verdict: Skip it (40/100).
How competitive is the nuki niche?
2 brands and 31 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in nuki?
Top complaints mined from reviews: Haltbarkeit, Verriegelungsmechanismus, Funktionalität insgesamt. The return rate is 6.1% — above our launch gate.
When does demand for nuki peak?
Demand peaks in Mar–Nov; the busiest month runs 3.2× the quietest.
What does it cost to enter the nuki niche?
Listings span €117.42–€342.41; the average listing price is €197.22 (sweet spot $15–$100). The average incumbent carries 804 reviews — the moat a new listing must climb.