---
title: "Reviews — plug in smoke detector - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/plug-in-smoke-detector/reviews"
last_updated: "2026-08-08T21:23:24.052Z"
locale: en
meta:
  description: "Niche score 59/100 · $6.2M/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 59/100 · $6.2M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — plug in smoke detector - Flapen"
---

# **plug in smoke detector**

**Worth a look**

Shows a $6.2M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 99Growth 20Conversion 83Competition 84Returns 72Price range 44Avg price 92Brand share 0Review moat 25Quality gap 48

**Market size**

**Incredible****$6.2M**

$6.2M/yr · 1.3M searches

**Avg price**

**Great****$53.65**

avg listing price — sweet spot $15–$100

**Competition**

**Great****31%**

top-5 click share — an open shelf

**Conversion**

**Great****9.0%**

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

**Returns**

**Good****2.1%**

return rate — above 5% kills the launch gate

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Price range**

**Okay****$16.54–$205.40**

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

**Review moat**

**Bad****4,564.4**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-10.0%**

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

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

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

## Reviews