# KDSPY

KDSPY is a paid browser extension that shows category, keyword, competitor and revenue estimates directly on Amazon pages.

- Canonical page: https://kdp123.com/t/kdspy/
- Official site: https://www.kdspy.com
- Categories: Book & Niche Research, Keywords & Categories
- Price: $79 one-time ($79 one-time plus tax, shown as down from a regular $197. Dual license for two devices. 60-day money-back guarantee.)
- Platforms: chrome-extension, firefox-extension
- Outputs KDP-ready files: No
- Touches your KDP account: No
- Amazon marketplaces: us, uk, ca, de, au, it, es, fr, in, jp, mx, br, pl
- Official Amazon product: No
- Last checked: 2026-11-09

## Summary

KDSPY works inside the browser while you browse Amazon: category breakdowns with estimated revenue and daily sales needed to rank, keyword analysis, author and publisher analysis, and 30-day book tracking. It is sold as a one-time purchase with a 60-day refund window. Its sales and revenue figures are estimates. It is not affiliated with Amazon.

## Pros

- One-time price with a 60-day refund window
- Works in Chrome, Firefox, Edge, Opera and Brave

## Cons

- Book tracking covers 30 days
- Does not work on iPads, tablets or phones

## Alternatives

- [Publisher Rocket](https://kdp123.com/t/publisher-rocket/)
- [BookBeam](https://kdp123.com/t/bookbeam/)
- [DS Amazon Quick View](https://kdp123.com/t/ds-amazon-quick-view/)

## Sources

- https://www.kdspy.com/