# 21 Days Challenge – Privacy Policy _Last updated: October 27, 2025_ We respect your privacy. This Privacy Policy explains how **21 Days Challenge** ("we," "our," or "the App") handles data. ## 1. Information We Collect - **User Notes**: Notes you add during the 21-day challenge are stored **only on your device**. We do not collect, transfer, or sell your notes. - **Progress Data**: Your progress, completed days, and badges are stored locally. - **AI Analysis**: If you enable AI analysis, anonymized text may be sent to an AI provider to generate suggestions. No personal identifiers are sent. - **No Photos/Media**: The app does not collect or upload your photos, contacts, or media files. ## 2. How We Use Your Data - To provide **AI-based summaries and suggestions**. - To display **statistics, themes, and badges** locally. - To improve UX (locally stored). ## 3. Data Storage & Security - Your data stays on-device unless you opt in to any future cloud backup feature. - If you use AI features, text is transmitted over encrypted channels to the provider. ## 4. Third-Party Services - **AI Provider** (e.g., OpenAI): Processes anonymized text only for generating responses. - **App Stores** (Google Play / Apple App Store): May collect crash reports/analytics per their policies. ## 5. Changes to This Policy We may update this policy over time. Updates will appear here and in the official repository.