---
title: "Reviews — sirene - Flapen"
canonical_url: "https://flapen.com/research/de/baumarkt/sirene/reviews"
last_updated: "2026-08-10T08:09:22.163Z"
locale: en
meta:
  description: "Niche score 58/100 · €102K/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 58/100 · €102K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — sirene - Flapen"
---

# **sirene**

**Worth a look**

Shows no brand lock-in (top 5 brands take 31% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 25Growth 15Conversion 25Competition 87Returns 75Price range 52Avg price 95Brand share 96Review moat 81Quality gap 82

**Brand share**

**Incredible****31%**

top-5 brand share — no brand owns this niche

**Avg price**

**Incredible****€37.58**

avg listing price — sweet spot $15–$100

**Competition**

**Great****28%**

top-5 click share — an open shelf

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Great****385.54**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Great****2.0%**

return rate — above 5% kills the launch gate

**Price range**

**Good****€5.86–€169.43**

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

**Market size**

**Okay****€102K**

€102K/yr · 139K searches

**Conversion**

**Bad****2.0%**

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

**Growth**

**Bad****-20.6%**

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

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=de&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=de&signal=low_review_barrier "Top brand's reviews < 500")

## Reviews