---
title: "Reviews — kupferflasche - Flapen"
canonical_url: "https://flapen.com/research/de/kueche-haushalt-wohnen/kupferflasche/reviews"
last_updated: "2026-07-21T16:40:14.517Z"
locale: en
meta:
  description: "Niche score 71/100 · €340K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 71/100 · €340K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — kupferflasche - Flapen"
---

# **kupferflasche**

**Worth a look**

Shows beatable incumbent ratings (3.9★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 53Growth 64Conversion 27Competition 77Returns 87Price range 90Avg price 95Brand share 75Review moat 82Quality gap 96

**Quality gap**

**Incredible****3.9★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Incredible****€32.66**

avg listing price — sweet spot $15–$100

**Price range**

**Great****€11.70–€102.21**

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

**Returns**

**Great****1.4%**

return rate — above 6% kills the launch gate

**Review moat**

**Great****364.2**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Great****38%**

top-5 click share — an open shelf

**Brand share**

**Great****60%**

top-5 brand share — no brand owns this niche

**Growth**

**Good****+41.7%**

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

**Market size**

**Good****€340K**

€340K/yr · 483K searches

**Conversion**

**Okay****2.2%**

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