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You just joined 20,043+ authors
already enjoying a competitive advantage with KDSPY.
"Amazing software... one of the best resources an author can have." – Geoff Shaw
✅ Find out what books are selling – with revenue estimates – on Amazon right now.
✅ Find the "profitable" book niches, sub-genres and keywords to improve your sales.
✅ Reverse engineer the bestsellers in any of the 25,000+ book or Kindle categories, author pages & keyword search results.
✅ Generate consistent sales & grow your audience by writing books people want.
✅ Save time on book research with our "one-click" market research plugin.
Windows Compatible
Mac Compatible
Firefox Compatible
Chrome Compatible
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Registered in England and Wales, Company No: 09309821.
Trading as Publishing Altitude. All Rights Reserved.
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KDSPY – known previously as Kindle Spy – is not affiliated with Amazon or any of its subsidiaries.