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51

geburtstagskarte 18

Worth a look

Shows low returns (0.7%), but pricing outside the sweet spot ($5.94 avg) keeps it on the watch list.

Market size 21Growth 23Conversion 56Competition 84Returns 97Price range 29Avg price 17Brand share 77Review moat 76Quality gap 25

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Competition

Great31%

top-5 click share — an open shelf

Brand share

Great58%

top-5 brand share — no brand owns this niche

Review moat

Great479.6

avg incumbent reviews — the moat a new listing must climb

Conversion

Good4.7%

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

Price range

Okay€2.63–€19.97

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-3.7%

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

Market size

Bad€83K

€83K/yr · 296K searches

Avg price

Bad€5.94

avg listing price — sweet spot $15–$100

According to Flapen's Amazon Germany niche tracking, geburtstagskarte 18 is a €83K/yr Amazon Germany market (296K searches/yr). The top 5 brands hold 58% of demand. Verdict: Worth a look — 51/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

geburtstagskarte 18 market data

Units sold / yr
15K–20K
avg 250–500/product
Revenue / yr
€89K–€119K
units × avg price
Conversion rate
4.7%
Avg BSR
#689
Page quality
0%
Prime
98%
Sponsored
85%
Out of stock
10.3%
Avg brand age
24 months
Avg seller age
179 days

Competition & brand share

Clicks spread well past the top 5 (31% combined) — an open shelf where new products get seen.

Brands

23 falling

Sellers

27

Top-5 brand share

58%

Top 20: 98%

Top-5 click share

31%

Top 20: 77%

Open market

36%

  • JOYEASE20%
  • WBdesignz16%
  • Joli Coon11%
  • Solinorex6%
  • WINKIO6%
  • Lovely Cards6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -3.7% search growth over the last 90 days.
7K5KSpike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.7×

Top geburtstagskarte 18 search terms

  • geburtstagskarte 18. geburtstag junge42K/yr
  • geburtstagskarte 18. geburtstag mädchen38K/yr
  • geburtstagskarte 1838K/yr
  • karte 18 geburtstag mädchen29K/yr
  • karte 18 geburtstag junge28K/yr
  • geburtstagskarte 18 mädchen15K/yr
  • karte zum 18. geburtstag jungen13K/yr
  • karte 18. geburtstag13K/yr
  • karte zum 18 geburtstag mädchen11K/yr
  • geburtstagskarte 18 junge11K/yr
All search terms

Top geburtstagskarte 18 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%€2K6%€5K9%€7K12%€10K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

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

What buyers say about geburtstagskarte 18

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

What buyers love

Qualität insgesamt38%

“Super Produkt”

Geschenk Zweck15%

“Top Geschenk super Idee”

beworben Vs Tatsächliches Produkt11%

“Alles Bestens, wie in der Beschreibung”

Preis-Leistungs-Verhältnis11%

“Tolles Geldgeschenk”

Design insgesamt5%

“Schickes Design,”

Spaß/Unterhaltungserlebnis3%

“Ganz interessant”

Gesamtgröße2%

“Passt”

Papierqualität2%

“Auch die Papierqualität überzeugt”

Stärke2%

“Diese Karte ist toll stabil und hochwertig”

Korrekt Inhalt2%

“Super Teil”

What buyers complain about

Preis-Leistungs-Verhältnis23%

“Bei dem Preis enttäuschend”

Funktionalität insgesamt20%

“Keine Funktion”

Qualität insgesamt12%

“Sehr schlechte Qualität”

Schreiberfahrung6%

“Wenig Platz für einen eigenen Text”

Geschenk Zweck6%

“Karte funktioniert nicht war ein Geburtstagsgeschenk”

Audioqualität6%

“Sound defekt”

Gesamtgröße3%

“jedoch etwas zu klein.”

Haltbarkeit3%

“Das Produkt war leider von Anfang an kaputt”

Akkulaufzeit3%

“Leider war bei mir die Batterie leer und somit ging es nicht”

Defekt Material/Teile3%

“Artikel kam fehlerhaft an”

Top return reasons

Funktionalität insgesamt31%
Gesamtgröße22%
Defekt Material/Teile10%
Qualität insgesamt7%
Audioqualität6%
Batterieeinschluss5%
beworben Vs Tatsächliches Produkt4%
Farbe3%
Geschenk Zweck3%
Montage/Installation1%

Common questions

Is geburtstagskarte 18 profitable to sell on Amazon Germany?
The niche generates €83K/yr across 48 tracked products. 0 of 26 products launched in the last 360 days are still selling. 90-day search growth is -3.7%. Flapen's verdict: Worth a look (51/100).
How competitive is the geburtstagskarte 18 niche?
23 brands and 27 sellers compete. The top 5 products take 31% of clicks and top 5 brands hold 58% of demand.
What do buyers complain about in geburtstagskarte 18?
Top complaints mined from reviews: Preis-Leistungs-Verhältnis, Funktionalität insgesamt, Qualität insgesamt. The return rate is 0.7%.
When does demand for geburtstagskarte 18 peak?
Demand is steady year-round — the busiest month runs 1.7× the quietest.
What does it cost to enter the geburtstagskarte 18 niche?
Listings span €2.63–€19.97; the average listing price is €5.94 (sweet spot $15–$100). The average incumbent carries 480 reviews — the moat a new listing must climb.