---
title: "Reviews — demon slayer sword - Flapen"
canonical_url: "https://flapen.com/research/uk/toys-games/demon-slayer-sword/reviews"
last_updated: "2026-07-31T18:29:44.632Z"
locale: en
meta:
  description: "Niche score 48/100 · £10K/yr market · 114K searches/yr · £23.99 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 48/100 · £10K/yr market · 114K searches/yr · £23.99 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Reviews — demon slayer sword - Flapen"
---

# **demon slayer sword**

**Skip it**

A small market ($10K/yr) — this niche doesn't clear our bar today.

Market size 2Growth 13Conversion 5Competition 73Returns 87Price range 74Avg price 95Brand share 70Review moat 91Quality gap 58

**Avg price**

**Incredible****£23.99**

avg listing price — sweet spot $15–$100

**Review moat**

**Great****184.39**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Great****1.4%**

return rate — above 5% kills the launch gate

**Price range**

**Good****£7.53–£36.14**

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

**Competition**

**Good****41%**

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

**Brand share**

**Good****63%**

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

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-23.6%**

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

**Conversion**

**Bad****0.4%**

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

**Market size**

**Bad****£10K**

£10K/yr · 114K searches

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