PuzzleForge: Sudoku Book Maker
Print-ready puzzles for KDP
Only for iPhone
$9.99 · Designed for iPhone. Not verified for macOS.
iPhone
Generate hundreds of unique-solution sudoku puzzles and export print-ready PDF books with automatic KDP margins, all on your iPhone. No subscription, no watermarks.
PuzzleForge turns your iPhone into a complete sudoku book production studio. Generate hundreds of quality-guaranteed puzzles, lay them out as a real book, and export a print-ready PDF you can upload to Amazon KDP or hand out in class.
QUALITY YOU CAN PUT YOUR NAME ON
- Every puzzle is machine-verified to have exactly one solution
- Four difficulty levels (Easy, Medium, Hard, Expert), judged by the solving techniques actually required
- Puzzles and the answer key are numbered and matched automatically, so they can never drift apart
- Stable seeds: the same book always regenerates the same puzzles
BUILT FOR SELF-PUBLISHERS
- Trim sizes: 6 x 9 in, 8.5 x 11 in, and A4
- Automatic gutter (binding margin) calculated from your page count, following KDP recommendations, with manual override
- Title page, running headers, page numbers, and an answer key chapter, each one optional
- Choose 1, 2, 4, or 6 puzzles per page
- No watermarks and no app branding inside your PDF. The book is your product
FAST, OFFLINE, PRIVATE
- Generate up to 600 puzzles per book in one batch, with live progress and cancel
- Preview every page exactly as it will print
- Works completely offline. Your books never leave your device
- Back up and restore all projects as a JSON file
MADE FOR
- KDP and other print-on-demand publishers creating low-content puzzle books
- Teachers and tutors preparing difficulty-graded practice sheets
- Anyone who wants to print a personal sudoku collection
One-time purchase. No subscription, no ads, no sign-up.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Yoshifumi Sato, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Yoshifumi Sato
- Size
- 1.6 MB
- Category
- Productivity
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Copyright
- © 2026 PuzzleForge
