---
title: "Reviews — ペアコイル 2分3分 20m - Flapen"
canonical_url: "https://flapen.com/research/jp/diy/2-3-20m/reviews"
last_updated: "2026-08-08T13:02:39.613Z"
locale: en
meta:
  description: "Niche score 67/100 · ¥19.7M/yr market · 119K searches/yr · ¥11604.25 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:description": "Niche score 67/100 · ¥19.7M/yr market · 119K searches/yr · ¥11604.25 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:title": "Reviews — ペアコイル 2分3分 20m - Flapen"
---

# **ペアコイル 2分3分 20m**

**Launch it**

A $19.7M/yr market growing +55.4% this quarter with returns at 0.1% — clears our launch bar.

Market size 100Growth 72Conversion 18Competition 73Returns 100Price range 0Avg price 0Brand share 40Review moat 98Quality gap 99

**Market size**

**Incredible****¥19.7M**

¥19.7M/yr · 119K searches

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Quality gap**

**Incredible****3.6★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Incredible****31.26**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Good****41%**

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

**Growth**

**Good****+55.4%**

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

**Brand share**

**Okay****81%**

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

**Conversion**

**Bad****1.4%**

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

**Avg price**

**Bad****¥11604.25**

avg listing price — sweet spot $15–$100

**Price range**

**Bad****¥1551.29–¥44931.63**

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

**Signals**[** Quality Gap**](https://flapen.com/research/niches?market=jp&signal=quality_gap "Avg rating < 4.0") [** High Price**](https://flapen.com/research/niches?market=jp&signal=high_price "Avg price > $50") [** Out of Stock**](https://flapen.com/research/niches?market=jp&signal=out_of_stock "OOS rate > 10%")

## Reviews