---
title: "Reviews — 延長コード1m - Flapen"
canonical_url: "https://flapen.com/research/jp/diy/1m/reviews"
last_updated: "2026-08-08T07:50:39.607Z"
locale: en
meta:
  description: "Niche score 59/100 · ¥69.7M/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 · ¥69.7M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — 延長コード1m - Flapen"
---

# **延長コード1m**

**Worth a look**

Shows a $69.7M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 100Growth 25Conversion 76Competition 72Returns 98Price range 0Avg price 0Brand share 32Review moat 41Quality gap 63

**Market size**

**Incredible****¥69.7M**

¥69.7M/yr · 894K searches

**Returns**

**Incredible****0.4%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****7.4%**

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

**Competition**

**Good****42%**

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

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****2,418.53**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Okay****86%**

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

**Growth**

**Bad****-0.3%**

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

**Avg price**

**Bad****¥1057.69**

avg listing price — sweet spot $15–$100

**Price range**

**Bad****¥387.79–¥2701.68**

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

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

## Reviews