App support

Tessel: Sudoku & Logic Puzzles support

A calm, offline puzzle collection: Sudoku at five difficulties, a Daily Sudoku, and logic puzzles including Killer Sudoku, Star Battle, Shikaku, Takuzu, Futoshiki, Nonogram, Akari and Hashi.

Contact support

For help with Tessel: Sudoku & Logic Puzzles, email support with the app name, your device model, iOS version, and a short description of the issue.

[email protected]

Privacy and purchases

Tessel is fully offline. Your games, settings and statistics stay on your device; nothing you do in Tessel is sent to us or to anyone else. There are no accounts, ads, analytics or tracking.

Common support topics

Resuming a game in progress
Daily Sudoku
Hints and notes
Accessibility and text size

Purchases and restores

Tessel is free. It has no in-app purchases and no subscription. If premium access does not appear after purchase, use the restore purchases option inside the app, then restart the app. Subscription cancellation and refunds are handled by Apple from iOS Settings or reportaproblem.apple.com.

Data and permissions

Tessel does not use iCloud or any cloud service. It works fully offline, with no account.