A Flutter mobile app for tracking and visualizing time intervals between important dates. Count days since past events or days until future milestones with customizable styling, search-powered image support, and comprehensive backup/restore functionality.
- Dual-View Interface - Track "Days Since" and "Days To" simultaneously
- Customizable Cards - Personalize fonts, colors, icons, and transparency
- Image Support - Integrated online search for event images
- Repeating Events - Support for daily, weekly, monthly, and yearly cycles
- Data Backup - Export and import database backups
- Multi-Language - English and German localization
- Dark/Light Themes - Full support for both modes
- Screenshot Capture - Export individual event cards
- PDF Export - Generate comprehensive PDF reports with event details
- Framework: Flutter
- State Management: Riverpod
- Local Storage: SQLite
- Design: Material Design 3
- Flutter SDK (latest stable)
- Dart SDK (included with Flutter)
- sdtbackend (https://github.com/oppahansi/sdtbackend)
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Clone the repository
git clone https://github.com/oppahansi/sdt.git cd sdt -
Install dependencies
flutter pub get
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Run the app
flutter run
Backend
This project is licensed under the MIT License - see the LICENSE file for details.

