---
title: "Products — sentool - Flapen"
canonical_url: "https://flapen.com/research/jp/diy/sentool/products"
last_updated: "2026-08-08T09:29:38.713Z"
locale: en
meta:
  description: "Niche score 41/100 · ¥692K/yr market · 8K searches/yr · ¥3144.01 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 41/100 · ¥692K/yr market · 8K searches/yr · ¥3144.01 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Products — sentool - Flapen"
---

# **sentool**

**Skip it**

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 68Growth 13Conversion 36Competition 15Returns 93Price range 0Avg price 0Brand share 0Review moat 89Quality gap 90

**Returns**

**Great****1.1%**

return rate — above 5% kills the launch gate

**Quality gap**

**Great****4.1★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Great****210.22**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Good****¥692K**

¥692K/yr · 8K searches

**Conversion**

**Okay****2.9%**

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

**Competition**

**Bad****81%**

top-5 click share — a locked-up shelf

**Growth**

**Bad****-23.9%**

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

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

**Avg price**

**Bad****¥3144.01**

avg listing price — sweet spot $15–$100

**Price range**

**Bad****¥1919.67–¥7419.46**

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")

## Products