Pricing
Sudoku School is operated by IKOALA INC. Everything is free. Support us with Pro Supporter.
Free
$0
All features, forever.
- All difficulty levels (Easy, Medium, Evil, Extreme)
- All variants (Killer, X-Sudoku, 4×4, 6×6)
- Daily challenges & leaderboard
- Sudoku solver & printable boards
- Guides & technique tutorials
Pro Supporter
$4.99 one-time
Support indie development.
- Everything in Free
- No donation reminders
- Priority email support
- Our eternal gratitude
30-day money-back guarantee. See our Refund Policy.
Common questions
Is Sudoku School really free?
Yes. Every puzzle, solver, guide, and game mode is completely free with no limitations.
Can I get a refund?
Yes. We offer a 30-day no-questions-asked refund policy. Email [email protected] within 30 days.