Book Bolt
Book Bolt is a subscription app that combines niche research with a KDP-sized cover and interior designer for low-content and puzzle books.
At a glance
- Price
- From $23.99/mo (Pro $23.99/mo monthly or $19.99/mo billed annually (1,000 AI credits/mo); Premium $35.99/mo monthly or $29.99/mo billed annually (4,000 AI credits/mo). 3-day free trial. Refunds after a charge are reviewed case by case.)
- Platforms
- Web, Chrome extension
- Outputs KDP-ready files
- Yes
- Touches your KDP account
- No
- Categories
- Book & Niche Research, Low-content & Puzzle Books
- Last checked
- 2026-11-09
Summary
Book Bolt puts product and keyword research, a cover and interior studio, puzzle generators, AI credits and the KDP Spy browser extension under one login. The cover designer sizes trim, bleed and spine to KDP specs from your page count. Its tools center on journals, planners, puzzle, coloring and activity books. It does not need access to your KDP account; you upload the finished files yourself.
Best for
- Journals
- planners
- puzzle and activity books
Pros
- Research and design in one place
- Puzzle generators for sudoku, mazes, word search and crosswords
Cons
- The trial lasts only three days
- AI credits are capped per month
In our guides
Alternatives
- Self Publishing Titans: Self Publishing Titans is a KDP training brand that also sells a Chrome research extension, puzzle and coloring makers, design tools and the KDP Masterclass.
- KDP Coloring Book Studio: KDP Coloring Book Studio is an AI tool that turns a theme into line art, a print interior and a full-wrap cover for KDP coloring books.
- Publisher Rocket: Publisher Rocket is a downloadable keyword, category and competition research app for Amazon book publishers, sold as a one-time purchase.
Sources
Facts on this page come from the vendor and these pages. Prices change; confirm on the vendor site.
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