Refund Policy
Sudoku School is operated by IKOALA INC. This page explains how refunds work for donations, premium features, and paid purchases on our site.
Sudoku School is free to use
All core features of Sudoku School — puzzles, solver, printable boards, guides, and leaderboards — are completely free. Since there is no purchase required, no refunds are needed for standard usage.
30-day money-back guarantee
If we introduce paid features or premium purchases in the future, IKOALA INC will offer a 30-day no-questions-asked money-back guarantee. If you are not satisfied with a purchase, you can request a full refund within 30 days.
Voluntary contributions
Voluntary donations to Sudoku School are considered non-refundable gifts. If a donation was made in error, please contact us and we will review the situation on a case-by-case basis.
Contacting us about a refund
To request a refund, email [email protected] with your order number or transaction ID. Refunds are processed within 5 business days and may take 5-10 business days to appear on your statement.
Contact
For refund-related questions, contact [email protected].