Why authors choose Pubscout
Where Helium 10 may be stronger
Bottom line
Helium 10 is an excellent tool for Amazon FBA sellers. For KDP authors who publish books, it's overbuilt and overpriced — you're paying for an FBA toolkit that you'll largely ignore. Pubscout is purpose-built for the KDP workflow: it surfaces BSR, sales estimates, niche scores, and review data on Amazon book pages as you browse. For authors who only publish on KDP, Pubscout is the more focused and cost-effective choice.
Does Helium 10 work for KDP book research?
Helium 10 has some features that work for Amazon book research, but the platform is fundamentally built for Amazon FBA product sellers. The keyword tools, product research, and listing optimisation features are calibrated for physical products. KDP authors find that most of Helium 10's toolset is not directly relevant to book publishing.
Is Pubscout cheaper than Helium 10?
Yes, significantly. Helium 10 starts at $29/month and goes up to $279/month. Pubscout offers a free tier with core features and paid plans designed for indie authors — a fraction of the cost for the research workflow that actually matters for KDP.
What does Helium 10 have that Pubscout doesn't?
Helium 10 includes tools for Amazon FBA sellers: inventory management, profit calculators for physical products, PPC automation, and broader marketplace data across all Amazon product categories. These are valuable if you sell physical products. For KDP-only authors, they are not relevant to your workflow.
Free KDP Tools
BSR Sales Calculator
Estimate daily sales from Best Sellers Rank
KDP Royalty Calculator
Calculate eBook and paperback royalties
Revenue Goal Planner
Work out how many sales you need to hit your goal
Spine Width Calculator
Get your paperback spine width from page count
KENP Calculator
Estimate Kindle Unlimited page read earnings
Review Ratio Checker
Gauge review competitiveness for any niche