A modern habit-tracking iOS app built with SwiftUI and GRDB, designed to help users build and maintain habits that promote long-term health and longevity. Longevity Master focuses on evidence-based habits that contribute to healthy aging and overall well-being.

Now available on the App Store! 🎉

Build powerful daily habits to extend your lifespan. Longevity Master helps you live longer and feel better with science-based routines for health and wellness.

The app features a clean, modern interface with habit cards, tracking views, and intuitive navigation designed to help users build lasting health habits.

• Habit Tracking: Create, edit, and track daily habits with customizable frequencies
• Anti-Aging Rating System: Each habit includes a 1-5 star rating based on scientific evidence for longevity benefits
• Smart Categories: Organized into 5 key areas (Diet, Exercise, Sleep, Preventive Health, Mental Health)

• 24 Achievements: Streak milestones, check-in goals, perfect weeks/months, category mastery, time-based challenges
• Progress Tracking: Visual progress bars and celebration animations
• Social Sharing: Share achievements with friends

• Customizable Notifications: Set personalized reminder times for each habit
• Habit-Specific Alerts: Link reminders directly to individual habits
• Easy Management: Simple setup and notification preferences

• 12-Level Rating: From Beginner (F) to Legend (SSS) based on overall health habits
• Multi-Dimensional Scoring: Active habits, anti-aging ratings, achievements, check-ins, and streaks
• Progress Analytics: Detailed breakdowns and improvement tips

• Modern SwiftUI Interface: Clean, intuitive design following iOS guidelines
• Flexible Scheduling: Support for various frequency patterns (weekly, monthly, custom)
• Theme Customization: Multiple color themes and personalization options
• Haptic Feedback & Sound Effects: Enhanced user interaction

• GRDB Database: Robust local data storage with SQLite
• Calendar Integration: Monthly and yearly habit tracking views
• Streak Calculation: Automatic streak tracking with flexible settings
• Data Export: Built-in data export capabilities

• Habit Statistics: Detailed analytics for each habit
• Progress Visualization: Calendar views showing completion patterns
• Category Analysis: Performance breakdown by habit category
• Achievement Progress: Visual progress tracking for all achievements

• Habit Archiving: Archive habits without losing data
• Icon Customization: Choose from extensive emoji icon library
• Multi-language Support: English and Simplified Chinese localization

• SwiftUI 5.0: Modern declarative UI framework
• GRDB: SQLite database with Swift integration
• Observation Framework: Reactive data binding
• SwiftUINavigation: Type-safe navigation handling

LongevityMaster/
├── App/
│   └── LongevityMasterApp.swift          # App entry point
├── Components/
│   ├── Common/                           # Reusable UI components
│   │   ├── HabitCardView.swift
│   │   └── HabitItemView.swift
│   ├── Habits/                           # Habit management views
│   │   ├── HabitForm.swift
│   │   ├── HabitIconEdit.swift
│   │   ├── HabitsGallery.swift
│   │   └── HabitsList.swift
│   ├── Me/                               # User profile and settings
│   │   ├── AppItem.swift
│   │   ├── MeFeature.swift
│   │   └── MoreAppsView.swift
│   └── Today/                            # Daily habit tracking
│       ├── TodayView.swift
│       └── TodayViewModel.swift
├── Model/                                # Data models
│   ├── CheckIn.swift
│   ├── Habit.swift
│   └── TodayHabit.swift
├── Service/                              # Business logic and data services
│   ├── HabitIconColorDataSource.swift
│   ├── HabitIconDataSource.swift
│   └── HabitsDataStore.swift
└── Utilities/                            # Helper functions and extensions
    ├── Constants.swift
    ├── Extension/
    │   ├── Color+Extensions.swift
    │   ├── Date+Extension.swift
    │   └── Habit+Extension.swift
    ├── HashableObject.swift
    └── Schema.swift

Download Longevity Master from the App Store and start building healthy habits today!

• Xcode 15.0 or later
• iOS 17.0+ deployment target
• macOS 14.0+ (for development)

1. Clone the repository

   git clone https://github.com/banghuazhao/longevity-master.git
   cd longevity-master

2. Open in Xcode

   open LongevityMaster.xcodeproj

3. Build and Run

   • Select your target device or simulator
   • Press Cmd + R to build and run the app

The project uses several key dependencies managed through Swift Package Manager:

• GRDB: Database layer
• SwiftUINavigation: Navigation handling
• Observation: Reactive programming

The app uses GRDB for local data storage. The database is automatically initialized when the app launches.

• Habit Categories: Easily extend the HabitCategory enum to add new categories
• Frequency Types: Modify HabitFrequency to support different scheduling patterns
• UI Themes: Customize colors and styling in the Constants.swift file

We welcome contributions! Please follow these guidelines:

1. Fork the repository
2. Create a feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

• Follow Swift style guidelines
• Use meaningful variable and function names
• Add comments for complex logic
• Ensure all code compiles without warnings

• Test on both iPhone and iPad simulators
• Verify functionality across different iOS versions
• Test edge cases and error scenarios

This project is licensed under the Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).

This means you can:

• ✅ Use, share, and modify the code for non-commercial purposes
• ✅ Distribute the code with proper attribution
• ❌ Use the code for commercial purposes without permission

• App Store: Longevity Master on the App Store
• Issues: GitHub Issues
• Discussions: GitHub Discussions
• Email: Open an issue for direct contact

• AI powered scientific habit recommendations
• Integration with HealthKit
• Data export and backup
• Community features

• Built with ❤️ using SwiftUI and modern iOS development practices
• Inspired by scientific research on longevity and healthy aging
• Thanks to the open-source community for amazing tools and libraries

Made with ❤️ by Banghua Zhao

Empowering users to build habits that last a lifetime 🌟