---
title: "Reviews — number stamps - Flapen"
canonical_url: "https://flapen.com/research/us/arts-crafts-sewing/number-stamps/reviews"
last_updated: "2026-08-09T23:07:01.806Z"
locale: en
meta:
  description: "Niche score 56/100 · $51K/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 56/100 · $51K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — number stamps - Flapen"
---

# **number stamps**

**Worth a look**

Shows low returns (0.8%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 13Growth 19Conversion 46Competition 78Returns 96Price range 69Avg price 61Brand share 91Review moat 40Quality gap 75

**Returns**

**Incredible****0.8%**

return rate — above 5% kills the launch gate

**Brand share**

**Great****44%**

top-5 brand share — no brand owns this niche

**Competition**

**Great****37%**

top-5 click share — an open shelf

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Price range**

**Good****$5.43–$36.38**

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

**Avg price**

**Good****$13.26**

avg listing price — sweet spot $15–$100

**Conversion**

**Okay****3.7%**

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

**Review moat**

**Okay****2,487.84**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-12.8%**

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

**Market size**

**Bad****$51K**

$51K/yr · 103K searches

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")

## Reviews