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  Privacy Policy

  Şeker Takibi — Blood App Tracker
  Last updated: May 11, 2026

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  1. Introduction

  Blood App ("the App") is a personal blood sugar tracking application developed by Rooftop. This Privacy Policy explains what information the App collects, how it is used, and your rights regarding that information.

  By using the App, you agree to the practices described in this policy.

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  2. Information We Collect

  2.1 Health Data You Enter

  The App allows you to manually record:
  - Blood sugar (glucose) values
  - Measurement type (e.g., fasting, post-meal)
  - Timestamps of each measurement
  - Optional notes accompanying a record

  2.2 App Preferences

  The App stores your preferences locally on your device, including:
  - Language selection (Turkish / English)
  - Onboarding completion status
  - Reminder time and notification preferences

  2.3 Information We Do NOT Collect

  The App does not collect, transmit, or share any of the following:
  - Personal identity information (name, email, address, phone number)
  - Device identifiers or advertising IDs
  - Location data
  - Usage analytics or crash reports sent to a server
  - Any data through the internet

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  3. How Your Data Is Stored

  All data you enter in the App — including blood sugar records, timestamps, and notes — is stored exclusively on your device using a local SQLite database. App preferences are stored using the device's local storage (SharedPreferences).

  No data is transmitted to any server, cloud service, or third party. The App functions entirely offline.

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  4. Notifications

  If you enable reminders, the App schedules local push notifications on your device to prompt you to log measurements. These notifications are generated and delivered entirely on-device. No notification content is sent to or processed by any external
  server.

  You may disable reminders at any time through the App's Settings page or through your device's system notification settings.

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  5. Third-Party Services

  The App does not integrate with any third-party analytics, advertising, or data-collection services. The App uses the following open-source libraries, none of which collect or transmit user data:

  - Flutter & Dart SDK
  - flutter_local_notifications — local notification scheduling
  - sqflite — on-device SQLite database
  - google_fonts — font rendering (fonts are bundled in the app, not fetched at runtime)
  - fl_chart — chart rendering
  - shared_preferences — local key-value storage
  - go_router, flutter_riverpod — navigation and state management

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  6. Children's Privacy

  The App does not knowingly collect data from children under 13. Because all data stays on the device and no data is transmitted externally, the App poses minimal privacy risk for users of any age. Parental guidance is still recommended for younger
  users managing health data.

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  7. Data Deletion

  Because all data is stored locally on your device, you have full control:

  - Delete individual records from the Logbook screen.
  - Delete all app data by uninstalling the App or clearing app data through your device's system settings (Settings → Apps → Şeker Takibi → Clear Data).

  There is no account to delete and no server-side data to request removal of.

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  8. Data Security

  Your health data never leaves your device. Security of locally stored data depends on your device's own security measures (screen lock, device encryption, etc.). We recommend keeping your device's operating system up to date and enabling device-level
   encryption.

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  9. Changes to This Policy

  We may update this Privacy Policy from time to time. Any changes will be reflected with an updated "Last updated" date at the top of this document. Continued use of the App after changes constitutes acceptance of the revised policy.

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