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47

mundharmonika

Skip it

Soft demand (-9.9% this quarter) — this niche doesn't clear our bar today.

Market size 46Growth 20Conversion 62Competition 36Returns 97Price range 58Avg price 52Brand share 42Review moat 41Quality gap 40

Returns

Incredible0.7%

return rate — above 6% kills the launch gate

Conversion

Good5.4%

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

Price range

Good€4.73–€28.94

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

Avg price

Good€12.19

avg listing price — sweet spot $15–$100

Market size

Okay€249K

€249K/yr · 378K searches

Brand share

Okay80%

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

Review moat

Okay2,384.53

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Okay63%

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

Growth

Bad-9.9%

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

According to Flapen's Amazon Germany niche tracking, mundharmonika is a €249K/yr Amazon Germany market (378K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Mar–Dec. Verdict: Skip it — 47/100.

Data updated Jul 16, 2026 · scored weekly · How we score niches

Market data

Units sold / yr
15K–20K
avg 750–1,000/product
Revenue / yr
€183K–€244K
units × avg price
Launch success
0 of 0 new (360d)
Conversion rate
5.4%
Avg BSR
#7
Page quality
0%
Prime
100%
Sponsored
93%
Out of stock
0.4%
Avg brand age
67 months
Avg seller age
195 days

Competition

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 falling

Sellers

44

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

63%

Top 20: 100%

Open market

13%

  • Fender25%
  • East top19%
  • JDR17%
  • Hohner10%
  • EASTROCK8%
  • CASCHA7%
  • Open — no brand owns it (3 brands, 13%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -9.9% search growth over the last 90 days.
18K13KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25SepDecMarJunAugNovMarMay

Peak months: Mar, Dec · busiest ÷ quietest = 2.6×

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%10%€25K20%€50K30%€75K40%€100K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 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

Audioqualität32%

“Bestellt für die Enkelkinder, klein, schön rot und überraschend guter Klang... schöne Sache!!”

Qualität insgesamt19%

“Top Produkt”

Preis-Leistungs-Verhältnis14%

“Preislich super”

beworben Vs Tatsächliches Produkt7%

“Produkt entspricht der Beschreibung”

Benutzerfreundlichkeit4%

“Sehr leicht zum Bespielen auch mit wenig Luft”

Tunen-Aufbewahrung4%

“Super blues harmonika”

Audiolautstärke3%

“Guter Klang”

Stärke2%

“sie scheint sehr robust”

Design insgesamt2%

“Optik und Verarbeitung zwar OK”

Griff2%

“Dadurch liegt sie angenehm in der Hand”

What buyers complain about

Audioqualität23%

“Zum Krach machen für Kinder i. O. Wer guten Klang erwartet wird stark enttäuscht”

Produktzustand18%

“Offensichtlich bereits benutzt :-”

Qualität insgesamt15%

“Macht ihren Job, allerdings Preis= Qualität”

Gesamtgröße14%

“Es ist zwar kleiner als erwartet”

Geräuschpegel5%

“und somit keinen Ton mehr erzeugen was dann nur durch Starkes Blasen oder Ziehen gelöst werden kann”

Top return reasons

Audioqualität27%
Qualität insgesamt17%
Gesamtgröße11%
Produktzustand10%
Funktionalität insgesamt7%
Geräuschpegel5%
Haltbarkeit3%
Materialqualität2%
Tunen-Aufbewahrung2%
beworben Vs Tatsächliches Produkt2%

Common questions

Is mundharmonika profitable to sell on Amazon Germany?
The niche generates €249K/yr across 15 tracked products. 90-day search growth is -9.9%. Flapen's verdict: Skip it (47/100).
How competitive is the mundharmonika niche?
9 brands and 44 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 80% of demand.
What do buyers complain about in mundharmonika?
Top complaints mined from reviews: Audioqualität, Produktzustand, Qualität insgesamt. The return rate is 0.7%.
When does demand for mundharmonika peak?
Demand peaks in Mar–Dec; the busiest month runs 2.6× the quietest.
What does it cost to enter the mundharmonika niche?
Listings span €4.73–€28.94; the average listing price is €12.19 (sweet spot $15–$100). The average incumbent carries 2,385 reviews — the moat a new listing must climb.

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