---
title: "Reviews — window alarm sensors - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/window-alarm-sensors/reviews"
last_updated: "2026-08-11T05:23:18.499Z"
locale: en
meta:
  description: "Niche score 52/100 · $462K/yr market · 621K searches/yr. A deep review moat (7,521 avg reviews) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 52/100 · $462K/yr market · 621K searches/yr. A deep review moat (7,521 avg reviews) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — window alarm sensors - Flapen"
---

# **window alarm sensors**

**Worth a look**

Shows a sweet-spot price point ($23.16 avg), but a deep review moat (7,521 avg reviews) keeps it on the watch list.

Market size 58Growth 27Conversion 40Competition 60Returns 34Price range 86Avg price 95Brand share 57Review moat 23Quality gap 65

**Avg price**

**Incredible****$23.16**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$8.05–$68.14**

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

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Competition**

**Good****49%**

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

**Market size**

**Good****$462K**

$462K/yr · 621K searches

**Brand share**

**Good****71%**

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

**Conversion**

**Okay****3.2%**

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

**Returns**

**Okay****4.3%**

return rate — above 5% kills the launch gate

**Growth**

**Okay****+1.5%**

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

**Review moat**

**Bad****7,521.44**

avg incumbent reviews — the moat a new listing must climb

## Reviews