---
title: "Reviews — brain - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/brain/reviews"
last_updated: "2026-08-10T16:06:33.421Z"
locale: en
meta:
  description: "Niche score 50/100 · $918K/yr market. Brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 50/100 · $918K/yr market. Brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — brain - Flapen"
---

# **brain**

**Worth a look**

Shows low returns (0.1%), but brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list.

Market size 76Growth 14Conversion 40Competition 22Returns 99Price range 95Avg price 94Brand share 6Review moat 24Quality gap 84

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Price range**

**Incredible****$16.05–$73.72**

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

**Avg price**

**Great****$48.26**

avg listing price — sweet spot $15–$100

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Market size**

**Great****$918K**

$918K/yr · 598K searches

**Conversion**

**Okay****3.2%**

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

**Review moat**

**Bad****5,642.67**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Bad****74%**

top-5 click share — a locked-up shelf

**Growth**

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

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

**Brand share**

**Bad****98%**

top-5 brand share — brand-locked demand

## Reviews