Privacy Policy - Ciall: Chess, Sudoku & Puzzles

App: Ciall: Chess, Sudoku & Puzzles • Package: ai.saifullah.ciall • Effective date: 2026-11-04

1) Who we are

Ciall: Chess, Sudoku & Puzzles is developed and published by Saifullah Ahad ("we", "us", "our"). Developer portfolio and contact details are available at https://saifullah.ai.

Email: [email protected]

Website: https://saifullah.ai

Location: Dhaka, Bangladesh

2) Core scope and purpose

Ciall is a clean, calm, and contemplative thinking-games collection containing eight classic games: Chess, Go 9×9, Sudoku, 2048, Minesweeper, Memory Match, Lights Out, and Tic-Tac-Toe. It is built to run entirely on your device with no timer pressure, no paywalls, and no interruptions.

3) Data collection and privacy guarantees

Ciall does not collect, record, transmit, monetize, or share any personal data.

4) On-device data handling

All gameplay data—including active game boards, puzzle states, undo histories, win and loss tallies, personal best scores, and daily streak counts—is stored solely on your physical device using private Android application storage (SharedPreferences). This data is never transmitted across the network and never leaves your phone or tablet.

5) Device permissions

Ciall is completely offline and requests zero Android permissions:

6) Data retention and deletion

Because all application data is stored locally in private device memory:

7) Children's privacy

Ciall is appropriate and safe for players of all ages. Because the app does not collect personal information of any kind from any user, it does not collect personal data from children under the age of 13 (or under applicable local age thresholds).

8) Policy changes and updates

Any updates to this Privacy Policy will be published at this permanent address: https://privacy.saifullah.ai/ciall.html.

9) Contact us

If you have questions, feedback, or inquiries regarding your privacy or data handling in Ciall, please contact:

Email: [email protected]
Developer: Saifullah Ahad
Portfolio: https://saifullah.ai