---
title: "Reviews — retainer - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/retainer/reviews"
last_updated: "2026-08-11T21:42:56.309Z"
locale: en
meta:
  description: "Niche score 54/100 · $661K/yr market · 579K searches/yr · $60.08 avg price. Soft demand (-4.4% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 54/100 · $661K/yr market · 579K searches/yr · $60.08 avg price. Soft demand (-4.4% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — retainer - Flapen"
---

# **retainer**

**Worth a look**

Shows low returns (1.1%), but soft demand (-4.4% this quarter) keeps it on the watch list.

Market size 67Growth 23Conversion 24Competition 39Returns 92Price range 60Avg price 90Brand share 62Review moat 34Quality gap 73

**Returns**

**Great****1.1%**

return rate — above 5% kills the launch gate

**Avg price**

**Great****$60.08**

avg listing price — sweet spot $15–$100

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Market size**

**Good****$661K**

$661K/yr · 579K searches

**Brand share**

**Good****68%**

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

**Price range**

**Good****$8.57–$149.27**

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

**Competition**

**Okay****62%**

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

**Review moat**

**Okay****3,107.14**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Bad****1.9%**

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

**Growth**

**Bad****-4.4%**

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

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")

## Reviews