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briefkasten

Launch it

A $2.5M/yr market growing +2.7% this quarter with returns at 0.2% — clears our launch bar.

Market size 95Growth 28Conversion 22Competition 73Returns 99Price range 30Avg price 95Brand share 59Review moat 50Quality gap 42

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Market size

Incredible€2.5M

€2.5M/yr · 3.2M searches

Avg price

Incredible€44.07

avg listing price — sweet spot $15–$100

Competition

Good41%

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

Brand share

Good70%

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

Review moat

Okay1,506.92

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Price range

Okay€13.53–€294.64

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

Growth

Okay+2.7%

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

Conversion

Bad1.8%

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

According to Flapen's Amazon Germany niche tracking, briefkasten is a €2.5M/yr Amazon Germany market (3.2M searches/yr). The top 5 brands hold 70% of demand. Verdict: Launch it — 60/100.

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

briefkasten market data

Units sold / yr
50K–60K
avg 1,000–1,250/product
Revenue / yr
€2.2M–€2.6M
units × avg price
Conversion rate
1.8%
Avg BSR
#31
Page quality
0%
Prime
24%
Sponsored
90%
Out of stock
6.8%
Avg brand age
54 months
Avg seller age
184 days

Competition & brand share

The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 falling

Sellers

35

Top-5 brand share

70%

Top 20: 100%

Top-5 click share

41%

Top 20: 76%

Open market

24%

  • SONGMICS29%
  • Metzler19%
  • NewHabitat9%
  • Zedelmaier7%
  • WOLTU7%
  • Grafner6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +2.7% search growth over the last 90 days.
100K60KPrime Day '24Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top briefkasten search terms

  • briefkasten1.9M/yr
  • briefkasten anthrazit348K/yr
  • postkasten174K/yr
  • briefkasten edelstahl121K/yr
  • briefkasten mit zeitungsfach135K/yr
  • briefkästen110K/yr
  • briefkasten40K/yr
  • briefkasten schwarz45K/yr
  • briefkasten ohne zeitungsfach37K/yr
  • briefkasten groß37K/yr
All search terms

Top briefkasten 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%3%€76K6%€151K9%€227K12%€302K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about briefkasten

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

What buyers love

Qualität insgesamt38%

“Super Produkt”

Preis-Leistungs-Verhältnis12%

“PREIS LEISTUNG OK ALLES BESTENS”

beworben Vs Tatsächliches Produkt10%

“Prima, sieht genau so aus wie auf den Fotos”

Design insgesamt10%

“modernes Design”

Montage/Installation5%

“Leicht zu installieren”

Stärke4%

“Sehr robust, nicht zu groß und nicht zu klein, schön verarbeitet und die Personalisierung ist auch super”

Benutzerfreundlichkeit4%

“Der Briefkasten ist leicht anzubringen”

Gesamtgröße2%

“Passt”

Form/Stil2%

“Sehr elegant”

Materialqualität2%

“Material super”

What buyers complain about

Gesamtgröße12%

“Kleiner als XL”

Montage/Installation7%

“Alles okay ausser Installation von Stopper”

Haltbarkeit7%

“Haltbarkeit fraglich”

Preis-Leistungs-Verhältnis6%

“teurer dürfte er nicht sein”

Qualität insgesamt5%

“Verarbeitungsqualität hat hier massiv nachgelassen”

Stärke5%

“Insgesamt relativ grob”

Montage4%

“Befestigungsmaterial unvollständig”

Dicke4%

“Sehr dünnes Material”

Verriegelungsmechanismus3%

“Chrome vom Schloss fängt an bbzublättern.”

beworben Vs Tatsächliches Produkt3%

“Produkt kam anders als bestellt”

Top return reasons

Gesamtgröße65%
Farbe8%
Qualität insgesamt5%
Defekt Material/Teile4%
Lackqualität2%
Kratzfestigkeit1%
Funktionalität insgesamt1%
Verriegelungsmechanismus1%
beworben Vs Tatsächliches Produkt1%
Produktzustand1%

Common questions

Is briefkasten profitable to sell on Amazon Germany?
The niche generates €2.5M/yr across 49 tracked products. 8 of 9 products launched in the last 360 days are still selling. 90-day search growth is +2.7%. Flapen's verdict: Launch it (60/100).
How competitive is the briefkasten niche?
17 brands and 35 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 70% of demand.
What do buyers complain about in briefkasten?
Top complaints mined from reviews: Gesamtgröße, Montage/Installation, Haltbarkeit. The return rate is 0.2%.
When does demand for briefkasten peak?
Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the briefkasten niche?
Listings span €13.53–€294.64; the average listing price is €44.07 (sweet spot $15–$100). The average incumbent carries 1,507 reviews — the moat a new listing must climb.