Kindle Keyword Analyzer is a tool for analyzing search keywords on Amazon; find the keywords your competitors are using or check if a keyword is profitable.
You can spy on Kindle Books, Print Books, AudioBooks, and Music.
When you like and use it, share the love and support the tool.
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The tool is free and supported by you. It only keeps working if enough purchases are made through the tag. That rule is not set by me but a requirement of the new Amazon API.
Last Update: April 2020: Switched to new Amazon API, removed detection of alternative versions as it is not supported anymore by the API, need to check for a reliable method first