KindleScope — KDP Niche Research for Amazon.co.jp
Amazon.co.jpのKindle検索結果を開くだけで競合数・価格帯・レビュー状況を分析しニッチ度を採点。表示中のページのみを読む規約セーフ設計で、KDP作家のキーワード選定を支援します。
How KindleScope — KDP Niche Research for Amazon.co.jp is doing
KindleScope — KDP Niche Research for Amazon.co.jp has been on the store for less than six months and is in the lower half of Tools by users.
- Time on the store
- Under 6 months
A rough range. Members see the exact launch date.
Inside the extension
Reviews
Loading reviews…
Audience & ratings
See full audience and rating history
Users and ratings over time, growth in the last 30/90/365 days.
See plansRelease history
The maker
fuku.business12 has 11 listings on the store. Updates most of their listings often.
- Listings
- 11
- Combined store users
- ≈33
- Store Featured
- 0
- Updated in the last 90 days
- 11 of 11
- Folders & Pins for Claude — Chat Organizer4 users · updated 3 months ago
- ChatSave — Export ChatGPT & Claude to Markdown4 users · updated 2 months ago
- BlockPress — Markdown to WordPress Blocks (SWELL & Cocoon)3 users · updated 2 months ago
- Time Nudge — Screen Time Reminders, No Blocking3 users · updated 3 months ago
Combined users can count the same person more than once. See all 11 listings
Should you build
in this niche?
One research report for KindleScope — KDP Niche Research for Amazon.co.jp: the takeaway, search demand, traffic, pricing, reviews, competitors and what to build. Every number shows its source and date. Anything we cannot verify is marked.

Takeaway & demand
A cited takeaway, plus Google search volumes for the niche
Traffic & domain
Website popularity rank, visits and domain authority, each with its source
Money & pricing
Plans and prices read from the maker’s website. No revenue guesses
Reviews
Top complaints, praise and recent issues, quoted from real reviews
Competitors & ranks
Where it ranks against the closest listings
Build opportunity
What to build, what an MVP must fix, and how to position it
Full research reports, with Ext Watch Plus.
Create your account to save your research. Reports come with Plus, Pro and Max.
