---
title: "Reviews — retainer cleaner - Flapen"
canonical_url: "https://flapen.com/research/sa/health/retainer-cleaner/reviews"
last_updated: "2026-08-08T10:21:16.850Z"
locale: en
meta:
  description: "Niche score 57/100 · $197K/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 57/100 · $197K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — retainer cleaner - Flapen"
---

# **retainer cleaner**

**Worth a look**

Shows low returns (0.5%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 39Growth 40Conversion 79Competition 42Returns 97Price range 32Avg price 72Brand share 49Review moat 29Quality gap 94

**Returns**

**Incredible****0.5%**

return rate — above 5% kills the launch gate

**Quality gap**

**Great****4.0★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Great****8.1%**

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

**Avg price**

**Good****$108.44**

avg listing price — sweet spot $15–$100

**Brand share**

**Okay****76%**

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

**Competition**

**Okay****60%**

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

**Growth**

**Okay****+11.6%**

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

**Market size**

**Okay****$197K**

$197K/yr · 22K searches

**Price range**

**Okay****$23.37–$264.29**

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

**Review moat**

**Okay****3,599.65**

avg incumbent reviews — the moat a new listing must climb

**Signals**[** High Price**](https://flapen.com/research/niches?market=sa&signal=high_price "Avg price > $50")

## Reviews