KDSPY Pro

KDPSY v5 is a 'time-saving' research companion that every author – fiction or non-fiction – should have in their toolbox. Research your competitors, potential niche markets, categories, keywords, and title ideas – all while you're browsing Amazon.

KDSPY Pro: Your Ultimate Research Companion for Amazon Books

KDSPY Pro is an invaluable research tool designed specifically for authors, be it fiction or non-fiction. With KDSPY, you can effortlessly conduct in-depth research on competitors, niche markets, book categories, keywords, and title ideas while browsing Amazon. Just click the spy icon to instantly access detailed insights about keyword search results, book pages, and author profiles across more than 32,000 categories.

Key Features:

  • Sales Tracking: Get real-time revenue estimates and sales statistics for books.
  • Niche Discovery: Identify profitable book niches and sub-genres for inspiration.
  • Competitor Monitoring: Track competitor sales trends over 30 days.
  • Keyword Profitability: Analyze and compare the profitability of keywords for your Amazon dashboard.
  • One-click Market Research: Save time with our streamlined research process.

Note: KDSPY Pro is a paid add-on with no free features. Create an account within KDSPY after installation to view payment details and gain access to the tool.

Manifest V2
Daily users: 1,871
5
Rating: 3.67
(15)
Version: 5.13.41 (Last updated: 2025-03-30)
Version code: 5920495
Creation date: 2019-08-09
Weekly download count: 31
Firefox on Android: No
Permissions:
  • storage
  • alarms
  • scripting
  • *://*.publishingaltitude.com/*
  • *://*.google.com/*
  • *://*.amazon.com/*
  • *://*.amazon.co.uk/*
  • *://*.amazon.de/*
  • *://*.amazon.fr/*
  • *://*.amazon.pl/*
  • See more
Size: 2.14M
Full description: See detailed description
Updated: 14 hours ago

User reviews

Pros
  • Accurate tool according to some users
  • Positive experience for new users
Cons
  • All features are paid, no free options
  • Reported accessibility issues post-payment
  • Some users label it as a scam
Most mentioned
  • Paid add-on with no free features
  • Users experiencing access issues after purchase
  • Mixed reviews on reliability and functionality
These summaries are automatically generated weekly using AI based on recent user reviews. User reviews may be inaccurate, spammy, or outdated.
User reviews


by Ernest, 2024-11-21
View all user reviews

Add-on safety

Risk impact
High risk impact

KDSPY Pro requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details
  • Critical Request access to the following domains: publishingaltitude.com, google.com, amazon.com, co.uk, amazon.de, amazon.fr, amazon.pl, amazon.ca, amazon.it, amazon.es, amazon.in, co.jp, com.au, com.br, com.mx
  • High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
Risk likelihood
Moderate risk likelihood

KDSPY Pro is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details
  • High This extension was recently updated in the past month. New updates may not be stable or safe.
  • High **** ********* *** *** **** ****** ********* ********** *** *** ** ****** ** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
Upgrade to see full risk analysis details

Similar add-ons

Here are some Firefox add-ons that are similar to KDSPY Pro:

Amazon Book Research Helper Amazon Book Research Helper
Terminal Publishing
30 5.00 (1)
KDP Uploader KDP Uploader
KDP Uploader
17 0.00 (0)
KDROI KDROI
Wesley Atkins
194 5.00 (5)
Keyword Planner Plus Keyword Planner Plus
98win
3 0.00 (0)
KDP Sales Notifications KDP Sales Notifications
Kindle Prime
12 5.00 (1)
FREE Amazon KW Rank Tracker FREE Amazon KW Rank Tracker
Firefox user 14517807
3 1.00 (1)
Keywords Everywhere Keywords Everywhere
Axeman Tech
19K 4.36 (407)
AsinSeed - Amazon Product & Keyword Tools AsinSeed - Amazon Product & Keyword Tools
SellerSprite.COM
518 5.00 (3)
Amzpecty Amzpecty
Crystal Ball Systems Inc.
59 5.00 (3)