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Last Software Update: 4th October, 2019.

Power Tools for Authors, Marketers & Publishers.

Revenue metrics, keywords, competitor research, book tracking, and more at your fingertips – all in your favourite browser.

RISK-FREE – 60-Day 'No Questions' Money-Back Guarantee

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"Love the Kindle Spy software to help me see trends in the industry"

Love the Kindle Spy software to help me see trends in the industry, as well as verify how I am doing, in a snapshot graph, compared to other authors in my genre. I also use it when I'm contacted by authors I don't know, or when I want to learn about what successes others are having that I can learn from.

Sharon Hamilton

NY Times & USA Today Bestselling Fiction Author

"One of the best tools an author can have in their toolbox"

One of the best tools an author can have in their toolbox for finding the right category to get ranked in, identifying keywords and tracking your books and those of other authors for sales ranking!

Lise Cartwright

Author, Writer & Coach

"The only software tool we use for niche and keyword research"

– Mikkelsen Twins (Kindle Publishers)

Why do over 20,043 fiction & non-fiction

– AND hundreds of bestselling NY Times & USA Today – authors use KDSPY v5?

Because many have grown their platform, their book sales, and their income by leveraging the research tools and competitor insights gained with KDSPY.

Here's how it works:

KDSPY sits in your browser as your book research assistant

Unlike isolated software applications buried on your computer, KDSPY sits in your browser and becomes your – 24 hour on-demand – research assistant when you're browsing Amazon.

Reverse engineer the bestseller categories
in a single click

When you want a detailed breakdown of any of the 25,000+ Kindle or book categories on Amazon – click on KDSPY from within your browser. In a few seconds, you'll know the competitor landscape of that category, the potential est. profit you could make there with a first-page listing – plus, you'll have a detailed breakdown of each book's important metrics.

See how many books you need to sell in 24 hours to rank #1-20

For Amazon's algorithm to pay attention to your book, you'll need to sell a certain amount of copies in 24 hours to get a category ranking. Once you've identified an ideal category based on revenue potential, a simple roll-over with your mouse on the red 'information' icon reveals the estimated daily sales you'll need to compete for a first page position. 

Discover the popular trends & keywords in any book category

What better way to find bestselling niches – and get ideas for your next book – than by modelling what's already working for other successful authors. KDSPY shows you the popular trends in any market, reveals the bestselling niches to go after – and even gives you a world cloud to help you write a compelling book title.

Analyse keywords in-depth for profit and ranking potential

Do any keyword search in KDSPY itself and instantly get its profit potential along with 100's of additional (A-Z) keyword suggestions – all exportable for AMS ads. Alongside, you'll get competitor counts and their est. monthly revenue. Our keyword analysis feature drills down even further to reveal the likelihood of ranking in Amazon for it, too.

Spy on other authors & publishers and model their bestselling books

KDSPY can analyse any author page and tell you in seconds all their statistics. Just a single click will show you the SalesRank of all their Kindle, paperback & hardcover books, their estimated sales, and total revenues broken down by individual book type.

Track the sales rank & revenue of any book over 30 days

Keep track of as many Kindle, paperback & hardcover books as you'd like with our book tracking feature. KDSPY pulls the SalesRank of your competitor's books (automatically) on a daily basis, then displays their performance in chart form, along with their est. daily sales and monthly revenues.

Supports data from 9 country specific Amazon Kindle stores

Use KDSPY from anywhere around the world. KDSPY v5 however, also gives you 'country-specific' data from Amazon stores in; USA, UK, Canada, Germany, Australia, Italy, Spain, France and India.

Rebecca Hamilton

NY Times, USA Today & Wall St.
Journal Bestselling Fiction Author

Rebecca Hamilton used KDSPY to create over 400 bestselling authors.

New York Times, USA Today, and Wall Street Journal bestselling author; Rebecca Hamilton, always had a knack for marketing. 

However, she used to spend countless hours on market research for herself and hundreds of her author clients. 

Then she found KDSPY – and that took out all the guesswork and freed up more time for her to focus on other areas of her career. Using KDSPY, she was able to help over 400 of her author clients hit ‘New York Times’ and ‘USA Today’ bestseller lists.

Browser Integration

KDSPY integrates directly into your browser. That means you can do your research right on Amazon, not with some lame software (that you'll forget about) buried on your computer.

Lightning Speed

KDSPY was painstakingly coded from the ground up to be the quickest book research tool on the market. Plus, the data that KDSPY reveals is available from a single click in your browser.

Single-Click Install

KDSPY installation is so simple a child could do it. In fact, it takes just one click and in 4 seconds, you’re done. And because it installs into the browser, it uses very little disk space.


"I’m launching a new illustrated kids book series in the next few months and I’m researching all my categories and keywords—as well as examining what other successful authors in my genre are doing—with KDSpy. So far, KDSpy is an incredible tool, far superior to KDP Rocket. There is no comparison."

– Mike Moreu, Childrens Book Illustrator & Author

"KDSPY is probably one of the most valuable tools an indie author can utilize. It’s exactly the app I needed to uncover all the info—accurate data, not guesses—on which subgenres sold well and why."

– C.S. Lakin, Novelist, Copyeditor & Writing Coach

"Wesley, Just wanted to let you know that KDSPY is my new favorite tool for Kindle research - it blows everything else away! It's lightning fast and super-simple to use. I've been using it the last few days..and all I can say is I wish I had this years ago. Great work!"

– Ed Lewis, Self Published Author

"This levels the playing field in so many ways. Now it's much easier to compete and create a product with more than an educated guess. My wife and I love KS4. It is easy to use and the pdf that goes with it could be sold as a product but it is free. Thanks!"

– Anthony Kollar Self Published Author

Your investment is

100% RISK-FREE!

We're so confident that KDSPY will save you time on book research and make you more money that we offer a full 60-Day – no hoops to jump through – Money Back Guarantee.

Try it for yourself, and if you don't see the tremendous value it gives you in the first 60 days, simply let us know and we'll refund your money in full, on the spot — no questions asked.

Join 20,043+ self-published authors using KDSPY 

Get instant access to KDSPY v5 today for just $97 $47. Once your payment is complete, you'll get an email with download and installation details so you can get started right away.

Total Value of $332.00 (Just $47.00)

Your investment is risk-free with our 60-day money-back guarantee.

Regular Price $97Today Only $47

Instant Download. Free updates incl. 60-day guarantee

This is a one-time payment of JUST $47!

Got questions?

Here's answers to some of the most common questions we get about KDSPY.

Yes. KDSPY is a browser extension that is compatible with both PC & Mac. And the good news is, installation takes less than 4 seconds no matter what computer you’re using – seriously!

Yes. Absolutely. KDSPY will analyse all the Kindle, Paperback or Hardcover books in a category and give you an export of the results in under 29 seconds. But that’s not all. KDSPY will also allow you to export the word cloud, keyword results, author analysis and tracking data.

Yes. KDSPY will work anywhere in the world to pull data from one of the support stores. Initially KDSPY was created to pull results from the largest Amazon marketplace; the US. However, due to popular demand, KDSPY v5 now supports results from specific stores in the UK, Canada, Germany, Australia, France, Italy, Spain, India and Japan. If I get enough requests, I will also consider adding other countries too.

Yes. If you lock yourself in today for the insane price of just $47 (one-time) – that’s all you will ever pay. You will get ALL future fixes & feature updates to the software. And I plan on making a lot of improvements based on user feedback. Heck, we’ve made over 224 updates and rolled out over 20 advanced features since this was originally released in July 2014.

KDSPY was originally created for my own 'non-fiction' publishing business. However, being able to research multiple fiction categories with the speed of KDSPY will save you countless hours of research time when trying to see which genres may be the most profitable to enter. It's why 65% of our customers, are in fact, fiction authors.

KDSPY is programmed to work on Google Chrome and Mozilla Firefox – on an Apple, Windows, Chromebook or Linux system. Due to the declining popularity of other browsers, it will unlikely be supported on any others in the future.

"Now nearly every book I publish is a bestseller"

“KDSPY is hands-down the most valuable software I have right now for my kindle business. I have been publishing books on Amazon for since last fall, but things never really took off until I started using Kindle Spy. This software made it so easy for me to quickly see profitable niche markets in my areas of interest and now nearly every book I publish is a bestseller! In the next few months, I will be making enough money to finally quit my day job – yahoo! I actually use KDSPY for more than just finding profitable niches to write books on. I also use it to follow my own books. I use it to see, at a glance, how my own books are doing, so that I can gear my marketing efforts towards the ones that need it, and celebrate the ones that don’t. Honestly, as a publisher, writer, and business owner, KDSPY is the first thing I check every morning and the last thing I check every night.”

Barb Asselin

College Professor & #1 Bestselling Author

"Opened my eyes to the untapped potential"

I am quite new to Kindle and found it quite difficult to understand how to do proper research and understand what categories to focus my energy in. KDSPY cuts out all the legwork and in a matter of seconds you get a complete and detailed spreadsheet with up to the minute average sales revenue, amazon best sellers rank, number of reviews and total revenue for your chosen niche. It's invaluable and certainly opened my eyes to the untapped potential awaiting kindle publishers. Another plus is the "word cloud" feature of the top keyword in the titles per niche. That alone is a goldmine and we all know the power of a popular eye catching title! However, despite all these features and benefits, Wesley's constant hands-on backup support in answering any queries I had about using KDSPY and his willingness to listen to feedback sets this product apart from others I have brought. If you are looking to grow and rapidly expand your Kindle publishing empire, KDSPY will get you there faster.

Ntatu Allen

Yoga & Meditation Teacher / Author

Some customer emails

Here's a little peak inside our inbox on some emails we've received from current users.

You are protected by our 60-day money back guarantee

KDSPY v5 Software

Windows Compatible

Mac Compatible

Firefox Compatible

Chrome Compatible

Copyright 2019 © LeadsClick LTD.

Registered in England and Wales, Company No: 09309821.
Trading as Publishing Altitude. All Rights Reserved.

Registered Address: 20 Castell Road, Loughton, IG10 2LT, UK.

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Legal

KDSPY (known previously as Kindle Spy) is not affiliated with Amazon or any of its subsidiaries.