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<!DOCTYPE html>
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    <title>ThinkOff Privacy Policy</title>
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    <div class="container">
        <h1>ThinkOff Privacy Policy</h1>
        <p class="last-updated"><strong>Last Updated:</strong> November 24, 2025</p>

        <div class="important">
            <strong>IMPORTANT:</strong> ThinkOff offers two distinct modes with different privacy implications. Please read the relevant section for the mode you use.
        </div>

        <h2>🏠 LOCAL MODE - Maximum Privacy</h2>
        <p>Local Mode uses <strong>your own API keys</strong> and provides maximum privacy. Your queries go directly from your device to AI providers.</p>

        <h3>What We Collect (Local Mode)</h3>
        <p><strong>Minimal Data Collection:</strong></p>
        <ul>
            <li><strong>App Settings</strong>: Your preferences, provider selections, and UI customizations (stored locally on your device)</li>
            <li><strong>Chat History</strong>: Your conversation history (stored locally on your device)</li>
            <li><strong>Optional Telemetry</strong> (Opt-in only): Anonymous usage statistics when you enable "Share Usage Data" in settings</li>
        </ul>

        <h3>What We Do NOT Collect (Local Mode)</h3>
        <ul>
            <li><span class="cross">❌</span> <strong>Your API Keys</strong>: Never transmitted or stored on our servers</li>
            <li><span class="cross">❌</span> <strong>Your Query Text</strong>: Never sent to our servers</li>
            <li><span class="cross">❌</span> <strong>AI Responses</strong>: Never sent to our servers</li>
            <li><span class="cross">❌</span> <strong>Images</strong>: Never sent to our servers</li>
            <li><span class="cross">❌</span> <strong>Personal Information</strong>: No account creation required</li>
            <li><span class="cross">❌</span> <strong>Payment Information</strong>: Not applicable (you pay AI providers directly)</li>
        </ul>

        <h3>How Your Data Flows (Local Mode)</h3>
        <div class="data-flow">Your Device → AI Provider APIs (OpenAI, Anthropic, etc.)
     ↓
  Direct connection - no ThinkOff servers involved</div>
        <ul>
            <li>Queries go directly from your device to AI providers</li>
            <li>ThinkOff servers are <strong>not involved</strong> in query processing</li>
            <li>Your API keys never leave your device</li>
            <li>Images are sent directly to AI providers (not through our servers)</li>
        </ul>

        <h3>Optional Telemetry (Local Mode)</h3>
        <p>If you opt-in to "Share Usage Data":</p>
        <p><strong>What's Shared:</strong> Anonymous statistics only</p>
        <ul>
            <li>Query type classifications (topic, style, complexity)</li>
            <li>Which providers you used</li>
            <li>Provider performance metrics</li>
            <li>Response times</li>
            <li>User feedback (thumbs up/down)</li>
        </ul>
        <p><strong>What's NOT Shared:</strong></p>
        <ul>
            <li>Your actual query text</li>
            <li>AI responses</li>
            <li>API keys</li>
            <li>Personal information</li>
            <li>Device identifiers</li>
        </ul>
        <p><strong>Purpose:</strong> To improve provider routing recommendations</p>
        <p><strong>You Can Opt-Out:</strong> Disable anytime in Settings → Privacy & Data</p>

        <h3>Data Storage (Local Mode)</h3>
        <ul>
            <li><strong>Local Only</strong>: All data stored on your device</li>
            <li><strong>No Cloud Storage</strong>: Nothing stored on ThinkOff servers (except optional anonymous telemetry)</li>
            <li><strong>You Control</strong>: You can clear app data anytime</li>
        </ul>

        <h2>🌐 FULL MODE (Concierge Mode) - Backend Processing</h2>
        <p>Full Mode uses ThinkOff's backend infrastructure. Your queries are processed through our servers to provide optimized routing and credit management.</p>

        <h3>What We Collect (Full Mode)</h3>
        <p><strong>Account Information:</strong></p>
        <ul>
            <li><strong>Google Sign-In</strong> (Optional): Email address and display name if you sign in with Google</li>
            <li><strong>Anonymous Account</strong>: User ID if you continue as guest</li>
        </ul>

        <p><strong>Query Data:</strong></p>
        <ul>
            <li><strong>Query Text</strong>: The text of your queries (required to process requests)</li>
            <li><strong>Query Metadata</strong>:
                <ul>
                    <li>Provider used</li>
                    <li>Model used</li>
                    <li>Token usage (input/output tokens)</li>
                    <li>Cost information</li>
                    <li>Response times</li>
                    <li>Query type classification (topic, style, complexity)</li>
                    <li>Content type flag (text/image/audio)</li>
                    <li>Timestamp</li>
                </ul>
            </li>
        </ul>

        <p><strong>Payment Information:</strong></p>
        <ul>
            <li><strong>Credit Balance</strong>: Your credit balance and transaction history</li>
            <li><strong>Purchase Records</strong>: Records of credit purchases (amount, date, transaction ID)</li>
            <li>Payment processing handled by PayPal/Google Play (we don't store payment card details)</li>
        </ul>

        <p><strong>Usage Analytics:</strong></p>
        <ul>
            <li>Provider performance metrics</li>
            <li>User preferences and feedback</li>
            <li>Service usage patterns</li>
        </ul>

        <h3>What We Do NOT Store (Full Mode)</h3>
        <p><strong>Images:</strong></p>
        <div class="important">
            <span class="cross">❌</span> <strong>IMPORTANT</strong>: We do NOT store images on our servers<br>
            <ul>
                <li>Images are converted to base64 on your device</li>
                <li>Images are sent directly to AI providers for processing</li>
                <li>Images exist only temporarily in memory during request processing</li>
                <li>Only a flag indicating that an image was present is stored in query metadata</li>
                <li><strong>No image data is saved to our servers or databases</strong></li>
            </ul>
        </div>

        <p><strong>AI Responses:</strong></p>
        <ul>
            <li>We do not store the full text of AI responses</li>
            <li>Only metadata (tokens, cost, response time) is stored</li>
        </ul>

        <h3>How Your Data Flows (Full Mode)</h3>
        <div class="data-flow">Your Device → ThinkOff Backend → AI Provider APIs
     ↓              ↓                    ↓
  Query sent    Processed &      Response returned
  with image    routed to best   through backend
                provider         to your device</div>
        <ul>
            <li>Queries are processed through ThinkOff servers</li>
            <li>Backend routes queries to optimal AI providers</li>
            <li>Responses are returned through our servers</li>
            <li>Query metadata is stored in Firebase for analytics and credit management</li>
        </ul>

        <h3>Data Storage (Full Mode)</h3>
        <p><strong>Firebase Firestore:</strong></p>
        <ul>
            <li>User sessions and account information</li>
            <li>Credit balances and transaction history</li>
            <li>Query metadata (provider, tokens, cost, timestamps)</li>
            <li>User preferences and settings</li>
        </ul>

        <p><strong>What's NOT Stored:</strong></p>
        <ul>
            <li>Image data (only content type flag)</li>
            <li>Full AI response text (only metadata)</li>
            <li>Payment card details (handled by payment processors)</li>
        </ul>

        <h2>🔄 Third-Party Services</h2>

        <h3>AI Providers</h3>
        <p><strong>Local Mode:</strong></p>
        <ul>
            <li>Your queries go directly to AI providers using your API keys</li>
            <li>ThinkOff is not involved in the data transfer</li>
            <li>Providers process queries according to their privacy policies</li>
        </ul>

        <p><strong>Full Mode:</strong></p>
        <p>Queries are routed through ThinkOff to:</p>
        <ul>
            <li>OpenAI</li>
            <li>Anthropic (Claude)</li>
            <li>Google (Gemini)</li>
            <li>Grok (xAI)</li>
            <li>Mistral</li>
            <li>Meta (Llama)</li>
            <li>Perplexity</li>
            <li>Kimi (Moonshot AI)</li>
        </ul>
        <p>These providers process queries according to their own privacy policies.</p>

        <h3>Payment Processors (Full Mode Only)</h3>
        <ul>
            <li><strong>PayPal</strong>: Handles credit purchases</li>
            <li><strong>Google Play</strong>: Handles in-app purchases</li>
            <li>We do not store payment card details</li>
        </ul>

        <h2>🔒 Data Security</h2>

        <p><strong>Local Mode:</strong></p>
        <ul>
            <li>All data encrypted on your device</li>
            <li>API keys stored securely using Android's secure storage</li>
            <li>No data transmitted to ThinkOff servers (except optional telemetry)</li>
        </ul>

        <p><strong>Full Mode:</strong></p>
        <ul>
            <li>Data in transit encrypted using HTTPS/TLS</li>
            <li>Firebase Authentication for secure account management</li>
            <li>Firebase Firestore for secure data storage</li>
            <li>Images never stored (only passed through temporarily)</li>
        </ul>

        <h2>👤 Your Rights</h2>

        <p><strong>Local Mode:</strong></p>
        <ul>
            <li>Full control over your data (stored locally)</li>
            <li>Can clear app data anytime</li>
            <li>Can opt-out of telemetry</li>
            <li>No account required</li>
        </ul>

        <p><strong>Full Mode:</strong></p>
        <ul>
            <li>Access your data through app settings</li>
            <li>Request deletion of your account and data</li>
            <li>Unlink Google account anytime</li>
            <li>View credit balance and transaction history</li>
        </ul>

        <h2>📊 Data Retention</h2>

        <p><strong>Local Mode:</strong></p>
        <ul>
            <li>Data stored locally on your device</li>
            <li>You control retention (can clear anytime)</li>
            <li>Optional telemetry: Anonymous data retained for analytics</li>
        </ul>

        <p><strong>Full Mode:</strong></p>
        <ul>
            <li>Query metadata retained for analytics and service improvement</li>
            <li>Account data retained while account is active</li>
            <li>Can request deletion at any time</li>
        </ul>

        <h2>👶 Children's Privacy</h2>
        <p>ThinkOff is not intended for users under 13 years of age. We do not knowingly collect information from children under 13.</p>

        <h2>📝 Changes to This Policy</h2>
        <p>We may update this Privacy Policy from time to time. We will notify you of any changes by updating the "Last Updated" date.</p>

        <h2>📧 Contact Us</h2>
        <p>If you have questions about this Privacy Policy, please contact us at:</p>
        <ul>
            <li>Email: <a href="mailto:hello@thinkoff.app">hello@thinkoff.app</a></li>
            <li>Website: <a href="https://thinkoffapp.github.io/thinkoff-privacy/">https://thinkoffapp.github.io/thinkoff-privacy/</a></li>
        </ul>

        <div class="summary-box">
            <h2>📋 Quick Summary</h2>

            <h3>Local Mode</h3>
            <ul>
                <li><span class="check">✅</span> Uses your own API keys (never sent to us)</li>
                <li><span class="check">✅</span> Queries go directly to AI providers</li>
                <li><span class="check">✅</span> All data stored locally on your device</li>
                <li><span class="check">✅</span> Maximum privacy - we don't see your queries</li>
                <li><span class="warning">⚠️</span> Optional anonymous telemetry (opt-in)</li>
            </ul>

            <h3>Full Mode</h3>
            <ul>
                <li><span class="check">✅</span> Convenient credit-based system</li>
                <li><span class="check">✅</span> Optimized provider routing</li>
                <li><span class="check">✅</span> Query metadata stored for analytics</li>
                <li><span class="cross">❌</span> Images NOT stored (only passed through)</li>
                <li><span class="cross">❌</span> Full AI responses NOT stored (only metadata)</li>
                <li><span class="warning">⚠️</span> Queries processed through our servers</li>
            </ul>
        </div>

        <div class="footer">
            <p>© 2025 ThinkOff. All rights reserved.</p>
            <p><a href="https://thinkoffapp.github.io/">Back to ThinkOff</a></p>
            <!-- Updated: November 24, 2025 -->
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