---
title: "Reviews — auto injector pen - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/auto-injector-pen/reviews"
last_updated: "2026-08-06T21:25:48.540Z"
locale: en
meta:
  description: "Niche score 59/100 · $55K/yr market · 62K searches/yr. 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 · $55K/yr market · 62K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — auto injector pen - Flapen"
---

# **auto injector pen**

**Worth a look**

Shows a thin review moat (99 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 14Growth 78Conversion 25Competition 52Returns 53Price range 95Avg price 95Brand share 62Review moat 95Quality gap 92

**Review moat**

**Incredible****99.46**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Incredible****$44.49**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$19.91–$99.64**

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

**Quality gap**

**Great****4.0★**

avg incumbent rating — lower means beatable quality

**Growth**

**Great****+67.3%**

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

**Brand share**

**Good****68%**

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

**Returns**

**Good****2.9%**

return rate — above 5% kills the launch gate

**Competition**

**Good****54%**

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

**Conversion**

**Bad****2.0%**

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

**Market size**

**Bad****$55K**

$55K/yr · 62K searches

**Signals**[** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")

## Reviews