AuthorScout (formerly KDP Scout) icon

AuthorScout (formerly KDP Scout)

by AuthorScout · Tools
Manifest V3 in_app
View in Chrome Web Store Data as of 15 Oct 2026

Book research for self-publishers: BSR, sales estimates, book age, publisher and niche data on Amazon book pages.

Users
2,000
+1,000 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
5
0 in 30 days
Store rank
#21K
#18K among extensions
Version
1.9.1.1
updated 26 Sep 2026

Users

monthly, 18 months
01,0002,000Apr 2025Feb 2026Oct 2026
Latest, 15 Oct 2026: 2,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 18 months
025Apr 2025Feb 2026Oct 2026
Latest, 15 Oct 2026: 5 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About AuthorScout (formerly KDP Scout)

KDP Scout is now AuthorScout — same tool, new name, bigger than ever. AuthorScout gives self-publishers the data they need to find profitable book opportunities and track the competition — right from their browser. FREE FEATURES (no account needed): - Instant book data on any Amazon page — BSR, estimated sales, ASIN, page count, book age, dimensions, and publisher type - Estimated sales range for every book — Kindle, paperback, and audiobooks (estimates outside amazon.com are marked BETA while we calibrate them) - See if a book is independently published or from a traditional publisher - Works on 20 Amazon marketplaces worldwide FREE WITH ACCOUNT: - Profitable Titles feed — a daily selection of hand-picked indie book opportunities across 20+ niches, including cookbooks, crafts, travel, test prep, medical, and workbooks - BSR Across Marketplaces — one click shows how any book ranks on 9 other Amazon marketplaces (US, UK, Germany, France, Spain, Italy, Canada, Japan, India, Mexico) — 10 checks/month - Audiobook support — BSR, category rankings, and sales estimates for Audible titles - Homepage tips and announcements PRO FEATURES ($9.99/month): - Full Profitable Titles feed — 4,000+ daily picks across every niche, updated nightly - Book Deep-Dives (200/month) — BSR history charts, price history, estimated monthly sales, and full category rankings for any book with one click - Book Tracker — monitor up to 20 books over time with daily BSR, price, and review snapshots plus trend charts - BSR Across Marketplaces — 100 checks/month - Auto-fallback — when page data is incomplete, AuthorScout fills in missing details automatically so you always have the full picture HOW IT WORKS: Install the extension, visit any Amazon book page, and AuthorScout instantly displays key publishing data — including an estimated sales range — in a clean panel. No setup required for basic features. Create a free account on kdpscout.com to unlock the daily titles feed and marketplace checks. Upgrade to Pro for deep-dive analytics, book tracking, and the full daily feed. Works on Amazon bestseller lists, new releases, search results, and individual book pages. Data loads automatically as you browse — no extra clicks needed. PRIVACY AND DATA: AuthorScout only reads publicly available book data from Amazon pages you visit. Sales figures are estimates modelled from BSR and may differ from actual sales. We collect your email (for your account), usage data (to enforce limits), and tracked books (to show your tracking history). You can delete your account and all data from within the extension at any time. Full privacy policy at kdpscout.com/privacy-policy-2. AuthorScout (formerly KDP Scout) is not affiliated with, endorsed by, or connected to Amazon. Amazon, Kindle Direct Publishing, and Audible are trademarks of Amazon.com, Inc.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days+1,000+100.0%00.00
6 months+1,802+910.1%+20.00
1 year+1,922+2464.1%+30.00

Chrome Web Store search rankings

Where AuthorScout (formerly KDP Scout) appears when people search the store, with the 30 day change
Search phrasePosition30 days
month#90−22
kindle#93−16
book#98−24

Version history

8 versions recorded
1.9.1.126 Sep 2026
1.9.1.06 Sep 2026
1.9.0.323 Jul 2026
1.9.0.215 Jul 2026
1.8.32 Dec 2025
1.72 Aug 2025
1.65 May 2025
1.524 Apr 2025

Details

Category
Tools
First seen
24 Apr 2025
Size
231 KB
Languages
en
Pricing
in_app
Privacy policy
kdpscout.com
Support
kdpscout.com
Extension ID
oihnmfgccedimdhabjedohdmfcibdhoh

Permissions and risk

Moderate riskimpact 3, likelihood 2
Permissions
storagealarmsidentity
Site access
https://www.amazon.com/*https://www.amazon.co.uk/*https://www.amazon.ca/*https://www.amazon.de/*https://www.amazon.fr/*https://www.amazon.es/*https://www.amazon.it/*https://www.amazon.co.jp/*https://www.amazon.in/*https://www.amazon.com.mx/*and 1 more

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