# Privacy Policy – Vigenère Trainer
Effective: 2 November 2026
Developer: Artificial Apps & Games
Contact: artificialappsandgames@gmail.com
App: Vigenère Trainer (application ID: com.vigenerecipher.trainer)
This Privacy Policy describes the Android version of Vigenère Trainer, including Encrypt, Decrypt, Training, and Profile.
## 1. Cipher text and keywords
Messages and keywords you enter are processed on your own device. The app does not require an account and does not transmit your message or keyword to an application database. They are held in the current app session and are not stored as part of your training progress.
## 2. Information saved locally
The app stores your training XP, answers attempted and answered correctly, quiz count, streak and last practice date, theme, and selected in-app rating on this device. This lets your progress and settings survive an app restart. This data is stored locally on the device (Android SharedPreferences) and is not sent to the developer.
## 3. Hosting and technical data
The Android cipher and quizzes work offline and do not contact a hosting platform. If you open a linked website, its hosting provider may process ordinary technical requests under its own policies.
## 4. Sharing and copying
Copying text and sharing the app happen only after you choose an action. The destination chat app and your operating system may then process content according to their own policies. The app does not automatically send or publish your cipher messages.
## 5. Third-party services
This release does not include advertising scripts, third-party analytics SDKs, account registration, or an app-controlled server-side message history. Future releases that add such services will require updated disclosures.
## 6. Retention and controls
Use Profile → Reset learning progress to erase saved learning statistics and rating, or clear Android app storage to erase all preferences. Ending the app process clears temporary cipher input.
## 7. Security and children
Vigenère is a historical teaching cipher and is not suitable for protecting sensitive information, passwords, or personal records. The app does not knowingly request information about children.
## 8. Updates and contact
If the product changes, this policy will be updated with a new effective date. For questions about this policy, contact artificialappsandgames@gmail.com.