A premium iOS vocabulary app that helps you master words you know but never use. Transform passive vocabulary into active expression through spaced repetition, contextual writing practice, and smart strength tracking.

• Today - Daily learning sessions with warmup reviews and new word introductions
• Vault - Browse your complete word collection with filtering by strength and state
• Practice - Three engaging modes: Lightning (speed), Precision (multiple choice), Recall (free recall)
• Write - Creative writing prompts and challenges to use words in context
• Profile - Track streaks, stats, achievements, and customize settings

• SwiftUI (iOS 17+)
• SwiftData for persistence
• Feature-based MVVM architecture

• iOS 17.0+
• Xcode 15.0+

1. Clone the repository
2. Open Lexicon/Lexicon.xcodeproj in Xcode
3. Build and run on simulator or device

Lexicon/
├── App/ # App entry point, ContentView, AppState
├── Core/
│ ├── Models/ # SwiftData models (Word, UserWord, UserProfile, etc.)
│ ├── Services/ # HapticsManager, SpacedRepetitionEngine, NotificationManager
│ ├── Persistence/ # ModelContainer extensions
│ └── Content/ # WordLoader, words.json
├── Features/
│ ├── Today/ # Daily learning session
│ ├── Vault/ # Word collection browser
│ ├── Practice/ # Practice modes
│ ├── Write/ # Writing exercises
│ └── Profile/ # Stats and settings
├── Shared/
│ ├── Design/ # Theme system
│ ├── Components/ # Reusable UI components
│ └── Extensions/ # View extensions
└── Resources/ # Assets, words.json

MIT