---
title: "Reviews — portable carbon monoxide detector - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/portable-carbon-monoxide-detector/reviews"
last_updated: "2026-08-08T19:30:23.266Z"
locale: en
meta:
  description: "Niche score 44/100 · $901K/yr market · 914K searches/yr · $30.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 44/100 · $901K/yr market · 914K searches/yr · $30.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Reviews — portable carbon monoxide detector - Flapen"
---

# **portable carbon monoxide detector**

**Skip it**

Soft demand (-22.1% this quarter) — this niche doesn't clear our bar today.

Market size 76Growth 14Conversion 40Competition 17Returns 77Price range 95Avg price 95Brand share 14Review moat 23Quality gap 45

**Avg price**

**Incredible****$30.61**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$20.99–$57.62**

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

**Returns**

**Great****1.9%**

return rate — above 5% kills the launch gate

**Market size**

**Great****$901K**

$901K/yr · 914K searches

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Okay****3.2%**

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

**Review moat**

**Bad****7,026.92**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Bad****79%**

top-5 click share — a locked-up shelf

**Growth**

**Bad****-22.1%**

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

**Brand share**

**Bad****94%**

top-5 brand share — brand-locked demand

## Reviews