About this app
Sudoku you solve on paper with a pencil — DokuBook. Pick a level (1–10) and how many puzzles you want (1–100), generate unlimited sudoku, then print them as an A4 game book and solve with a pencil. Designed with large type so it stays comfortable for older eyes. ■ How it works · Generate — choose 4×4, 6×6 or 9×9, a level, and a count. Unlimited. · Print — export an A4 PDF book with cover, puzzles and answers · Play on screen — solve what you made right inside the app · My game books — save your books and print or play them anytime ■ Free to enjoy · Play the built-in 100 puzzles and everything you create — unlimited, free · Generating puzzles is unlimited and free · A short ad appears between games now and then ■ One purchase: no ads, plus printing · A single purchase (not a subscription) removes ads and unlocks printing and export of the books you make Large type, a simple screen, and the feel of paper.
Latest release
What’s New
• Keep playing a game book straight through — no need to return to the library between puzzles. • Refined the iPad layout and fixed display issues on the purchase screen.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 23, 2026 · 4:23 PM Free