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KDSPY Review: Can This Tool Grow Your Amazon Self-Publishing Business?

Maybe you recently launched a new self-publishing business on Amazon or your existing business seems to have stalled. You might be looking at tools that can help your sales to skyrocket again (or for the first time) when you stumble across KDSPY or Kindle Spy.

In this KDSPY review, we will go over the advantages of the tool as well as the disadvantages to help you determine if Kindle Spy is truly worth the investment in your business.

If you are looking for a tool that can cause your sales to soar, then you won’t want to miss out on this in-depth review for an affordable tool that has a lot of potential.

Are you ready to learn more about what Kindle Spy could offer your business? Let’s get started!

Download KDSPY Here!

Get KDSPY Here


KDSPY is a keyword research tool to help self-published authors to determine which keywords are selling and reverse engineer their way to bestseller status. Try KDSPY here! 


  • Easy to use
  • High-quality keyword research done in seconds
  • Lifetime license (no monthly fees)
  • Consistent upgrades to the tool
  • Works in international markets


  • No free trials or versions
  • Only works in Firefox and Google Chrome

What is KDSPY?

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Whether you want to sell short stories on Amazon or create low-content books, you need to do your research to determine what will actually sell.

KDSPY (also known as Kindle Spy) from Wesley Atkins makes conducting the necessary research into your niche faster and easier.

It will help you to identify gaps in the market where your new book could easily fit in and successfully sell.

You can utilize the functions of KDSPY while browsing Amazon and looking at what competitors are offering your customers. It allows you to:

  • Reverse engineer bestseller categories
  • Identify how many books you need to sell to rank in the top 20
  • Figure out the most popular trends and keywords for any category
  • See profit potential for keywords
  • Find out more information on authors and publishers
  • Keep track of sales rank and revenue over a 30-day period

As you can see, KDSPY is a robust program that is running in the background when you perform searches on Amazon.

If you are thinking about launching a business around self-publishing, then you need to make sure you are doing adequate research. KDSPY comes to the rescue to simplify the process.

It is compatible with just about any computer (Windows or Mac) but only a couple of browsers including Firefox and Google Chrome.

KDSPY Review: Pricing

You might be wondering what such a comprehensive tool is going to set you back financially. This may be particularly important if you are just beginning your self-publishing business and have less to invest in fancy tools that could skyrocket your income.

The good news is that KDSPY is one of the more affordable tools out there while still packing a powerful punch.

Perhaps the best thing to note about this program is that it only requires a one-time fee.

Unlike some other software and programs that charge you monthly for an eternity, you can pay for KDSPY one time and be done with it. You still get access to all of their new integrations and updates so that your technology keeps up with the times.

Since its inception in 2014, the tool has had more than 300 updates which you would have access to with no additional charges.

The regular price for instant download and install is $97, but it often goes on sale for just $59. You can frequently find similar discount codes and promo codes to cut the costs of this particular program.

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KDSPY Refund Policy

Another thing to note when it comes to cost is that they offer a 60-day money-back guarantee. It is a no-questions-asked policy, allowing you to effectively try the tool out for two months before deciding if it is the right fit for your business.

How does the refund policy work?

All you have to do is pay for the tool upfront and try it out for the first 60 days. If you find out the tool doesn’t provide the value that you are expecting, notify customer service and they will refund your money in full without any major hurdles placed in your path.

KDSPY Features

Want to learn more about what this tool offers for self-publishing experts like yourself? Here are some of the key features that KDSPY v5 has to offer users:

Keyword Potential

If you are just starting your self-publishing business, then you may be wondering how to take it from a side hustle to an actual small business.

KDSPY can help you figure out which keywords to target and help you see the potential in the market. It works on books for Amazon Kindle eBooks, as well as paperback and hardcover books.

All you have to do is enter a keyword and then click on KDSPY to spy on your competition. This will give you greater insights into the level of competition in this niche, the potential profits you could be making by entering your own book into the field, and the revenue metrics of each book on the bestseller list.

For those who are determined to see their new book reach bestseller status, they also allow you to reverse engineer those sales. KDSPY breaks down exactly how many copies you need to sell in a 24-hour period to rank in the top 20 books of any particular niche.

All of the keyword searches you do are exportable to help you integrate your Amazon ads.

The keyword search function allows you to see what would work best for your book title and book category, allowing you to see the most profitable niche whether you are a fiction author or a low-content book publisher.

Word Cloud

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One of the most useful functions of KDSPY v5 is the word cloud which helps self-published authors to target the titles of their upcoming books more specifically. It will automatically take the titles within your niche to determine the bestsellers and which words they frequently use in their titles.

It presents the information to you in a visible way, making it obvious which words you should strive to include in your next title. The words most commonly used appear larger than the others and show how many of the top 20 books incorporate that word into the title.

Author Page Analysis

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Are you curious what other authors are making by selling their books on Amazon? With KDSPY v5, you can see exactly how they are doing and whether the niche is profitable for a newcomer. See what is working for other professional writers to determine where your own books will fall in the market.

KDSPY reviews the author’s profile page and compiles a neat summary that includes important data you might be wondering about, such as:

  • Number of published books on Amazon
  • Average sales rank
  • Estimated monthly revenue
  • Bestseller status

International Data

Want to know what is selling in markets other than your own? One of the great features of the KDSPY review is that it supports data from international stores as well.

While you may want to narrow the field to just those books produced in the United States, it never hurts to explore the global market as a whole.

If you are interested in international data, KDSPY is compatible with Amazon Kindle stores around the world, including:

  • United Kingdom
  • Canada
  • Germany
  • Italy
  • Spain
  • France
  • India
  • Australia
  • Mexico
  • Brazil
  • Japan

Track Competitor Performance

Many publishing professionals want to know how to judge their own success compared to that which is offered by others.

One of the unique aspects that should be mentioned in a KDSPY review is the ability to track a particular book over a 30-day period. It takes just a few clicks and you can start tracking sales of another book.

How does it work? It’s quite simple to get started:

  • Conduct your search for a potential keyword or look at an author profile.
  • Next to the title, click the blue T.
  • On the new screen, click the Track Sales Rank button.
  • Track the book and its sales over the next 30 days.

While some would point out that you could do this research without the tool, the graphs that they provide are a quick and easy way to determine how profitable the bestsellers in your niche really are.

If convenience is important to you, then KDSPY v5 is the way to go for tracking the sales history of books similar to your own.

KDSPY Review: How to Install

When you are ready to take the leap and sign up for this essential tool, you may be wondering just how complicated it is to get started.

The good news is that it can be installed without the need for advanced computer degrees. It takes just one click and approximately four seconds for the tool to install into your browser.

It also does not take up much space on your computer since it installs into the browser of your choice (Firefox or Google Chrome).

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In a KDSPY review, it is important to note that most users prefer to use the program as a Google Chrome extension. KDSPY needs regular updates as the algorithms on Amazon shift and change.

The benefit of installing the tool from the Chrome Web Store is that it will automatically make the necessary updates to your extension.

On the other hand, Firefox is a bit more complicated to use. Whenever there is a new update, you will need to remove the old program and reinstall the new update. This can be quite a pain for something that updates on a consistent basis like KDSPY v5.

KDSPY Customer Service

While it is unlikely that you will run into any issues downloading the tool or beginning to run it to boost your publishing success, knowing what to expect from customer service is still essential to determine if this tool is worth the cost.

How much support will you actually receive if you run into any issues with the platform?

Customer service is available around the clock through chat, email, and their online contact form.

Most users note that their customer service representatives are fairly responsive and get back in touch with you quickly when you experience any issues.

In addition to their customer service team members, the KDSPY website has a robust library of answers to frequently asked questions. Many of the questions are answered with videos, giving you clear instructions for how to resolve the most common problems on your own.

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KDSPY Review: Pros and Cons


Performs Keyword Research in Seconds

How long would it take you to narrow down your keyword research and to look at the bestselling book in your niche? My guess is that you could spend hours trying to filter through all of the most important details of each book that ranks on Amazon.

The biggest benefit to clicking the KDSPY button on your browser is that it allows you to perform the same amount of research in just seconds compared to the hours you used to spend.

This allows you to get back to the important work of creating content and products that your new customers are certain to love.

It also shows you which products might be a waste of your time if the research doesn’t hold up to your expectations.

Because the research can be done so quickly, it is possible to conduct more searches and really narrow down your niche to find the customers who genuinely want what you are offering.

Lifetime License with Free Updates

When it comes to making a wise investment into the tools you need to conduct your business well, monthly subscriptions can really add up. On the other hand, KDSPY is an affordable one-time cost that gives you access to the license for a lifetime, including any updates or changes to the tool.

High-Quality Keyword Research

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The main draw of the KDSPY tool is that it gives you access to high-quality keyword research in a variety of niches and categories.

You can learn more about what is selling, how to place your own book in the marketplace, and what makes some books stand out from the crowd.

This is research that would take you hours to conduct on your own, but it comes across your KDSPY dashboard in no time at all.


No Free Option

One of the most common complaints with the KDSPY tool is that there is no free version that you can sample before paying for a lifetime license. The truth is that you will eventually need to invest some of your hard-earned money back into your business.

According to our KDSPY review, this one tool is well worth the $59 price tag. Even if you weren’t able to catch the product on a deal, $97 for lifetime access is still a fantastic deal for what you gain access to.

Only Works on Chrome and Firefox

Unfortunately, the KDSPY tool only works on a limited number of browsers. Specifically, you can only use it on Google Chrome and Firefox.

This excludes popular browser options such as Safari for Mac users and Microsoft Edge. It could be a hassle to switch browsers whenever you need to perform keyword research.

Alternatives to KDSPY

While KDSPY is certainly a leader in the keyword research industry for Amazon products, there are other tools that you could use instead. Publisher Rocket is one of the most commonly cited alternatives, but how does it really compare to KDSPY?

KDSPY vs Publisher Rocket Review

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Publisher Rocket has a sleeker user interface than what you will find with KDSPY, but they both perform many of the same functions.

You can perform searches by keyword with the Publisher Rocket platform guiding you to choose the top seven keywords that your customers are looking for when making a purchase.

It also ranks the competition similar to how you use KDSPY with categories such as:

  • Type of book published (Kindle eBook, paperback, or hardcover books)
  • Age of the book
  • Number of pages
  • Price
  • Daily and monthly sales

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You can see exactly what real users are searching for on Amazon, how many are searching for that same keyword, and the overall competition score. Publisher Rocket also helps you to create a list of keywords that would do well in an Amazon ads campaign.

By the end of your time on the Publisher Rocket platform, you know which profitable keywords your next book needs to target to achieve higher book sales.  

Other functions offered by Publisher Rocket include book tracking from specific authors and their sales as well as finding the bestselling books in each category.

Another thing to keep in mind is that KDSPY is a browser extension that works on Google Chrome and Firefox. On the other hand, Publisher Rocket is a software that gets downloaded to your hard drive, requiring a bit more space on your computer.


What is Publisher Rocket worth to you? It is priced very similarly to KDSPY at $97 for a lifetime license, though they make a point to let customers know that they might switch to a monthly subscription fee in the future.

Authors who are serious about conducting their keyword research will want to really consider saving money and purchasing either one of these tools while they still offer a lifetime license.

Get Publisher Rocket Here

KDSPY Review: The Verdict

We’ve reached the end of our KDSPY review and now it’s time to evaluate: is this tool really worth the investment?

We would argue that the powerful keyword research it provides could spark some serious growth in your self-publishing business for a minimal investment, particularly if you are able to get it at a special price.

While Publisher Rocket is also a great option, KDSPY takes up less space on your computer and offers a smooth transition to the results when searching online.

If you want to make money online, it is time to investigate KDSPY for your self-publishing business today!

Sign Up for KDSPY Today!

Get KDSPY Here

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