---
title: "Reviews — grey grout pen - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/grey-grout-pen/reviews"
last_updated: "2026-07-31T16:20:32.492Z"
locale: en
meta:
  description: "Niche score 40/100 · £59K/yr market · 58K searches/yr · £6.95 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 40/100 · £59K/yr market · 58K searches/yr · £6.95 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Reviews — grey grout pen - Flapen"
---

# **grey grout pen**

**Skip it**

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 15Growth 14Conversion 97Competition 32Returns 90Price range 0Avg price 19Brand share 0Review moat 47Quality gap 93

**Conversion**

**Incredible****14.8%**

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

**Quality gap**

**Great****4.0★**

avg incumbent rating — lower means beatable quality

**Returns**

**Great****1.3%**

return rate — above 5% kills the launch gate

**Review moat**

**Okay****1,758.63**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Okay****66%**

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

**Avg price**

**Bad****£6.95**

avg listing price — sweet spot $15–$100

**Market size**

**Bad****£59K**

£59K/yr · 58K searches

**Growth**

**Bad****-21.8%**

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

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

**Price range**

**Bad****£3.81–£14.34**

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