This is one of my go-to tools when it comes to self publishing on Amazon KDP. KDSpy gives you incredibly valuable information at the click of a button. It used to take me hours to research a niche – KDSpy does this in seconds and much more.
It is The Ultimate Amazon Kindle Spy Tool. It reverse engineers The Kindle
Marketplace and reveals lucrative Kindle niches in seconds.
If you want to give your books the best chance and get real numbers on what it will take for you to hit the number 1 spot or the top 20 this tool is for you.