PureNoteStudio

A modern, privacy-focused note-taking application built with SwiftUI, following MVVM + Repository + Dependency Injection architecture. PureNoteStudio focuses on clean architecture, maintainable code, and a native iOS experience while demonstrating production-level Swift development practices.

This project was developed as a portfolio application to showcase scalable SwiftUI architecture and modern iOS development.

---

Preview

Grid Layout	List Layout

Note Detail	Folders

Settings	Face ID

---

Features

Notes

• Create notes
• Read notes
• Update notes
• Delete notes
• Rich text support
• Image attachments
• Search notes instantly
• Folder filtering
• Responsive Grid/List layouts
• Empty state support

Reminders & Local Notifications

• Set reminders directly on notes
• Local notification scheduling (Server-free / On-device)
• Time-sensitive alerts

Folder Management

• Create folders
• Assign notes to folders
• Move notes between folders
• Uncategorized support

User Experience

• Native SwiftUI interface
• Light & Dark Mode
• Dynamic Font Size
• Grid/List switching
• Smooth animations
• Floating Action Button
• Adaptive layouts

Security

• Optional Face ID authentication
• Automatic lock screen
• Secure local authentication

Settings

• Display Mode
• Layout Mode
• Font Size
• Face ID toggle

---

Architecture

PureNoteStudio follows a modular MVVM architecture with Repository Pattern and Dependency Injection.

SwiftUI View
      │
      ▼
 ViewModel
      │
      ▼
 Repository
      │
      ▼
 Services
      │
      ▼
 Models

Folder Structure

PureNoteStudio
├── App
├── Core
│   ├── Extensions
│   ├── Foundation
│   ├── Interfaces
│   ├── Services
│   └── UIKit
├── Models
├── Repository
├── Routers
├── Presentation
│   ├── Components
│   ├── Enums
│   ├── Theme
│   ├── TabView
│   └── Views
│       ├── NotesTab
│       └── SettingsTab
├── Assets.xcassets
└── Info.plist

---

Technologies

• Swift 6
• SwiftUI
• MVVM
• Repository Pattern
• Dependency Injection
• Observation
• NavigationStack
• LocalAuthentication
• UserDefaults
• PhotosPicker
• UserNotifications
• Markdown Rendering

---

Project Structure

Views

Responsible only for rendering UI and forwarding user actions.

ViewModels

Contain presentation logic, state management and communicate with repositories.

Repository

Acts as the abstraction layer between UI and data source.

Services

Responsible for business logic and system integrations.

Examples:

• Authentication
• Local Storage
• Preferences

Routers

Centralized navigation handling.

Theme

Contains reusable colors, fonts and design constants.

---

Design Principles

• Single Responsibility Principle
• Dependency Injection
• Protocol-Oriented Programming
• Separation of Concerns
• Reusable Components
• Testable Architecture
• Modular Feature Organization

---

Screens

• Notes Grid
• Notes List
• Search
• Folder List
• Note Detail
• Create Note
• Move Note
• Settings
• Face ID Lock
• Empty State

---

Getting Started

Requirements

• Xcode 16+
• iOS 17+
• Swift 6

Installation

git clone https://github.com/semihtakilan/PureNoteStudio.git

cd PureNoteStudio

Open

PureNoteStudio.xcodeproj

Run the project using Xcode.

---

Future Improvements

• CloudKit synchronization
• Tags
• Pin notes
• Favorites
• Archive
• Widgets
• Share Extension
• Apple Pencil support
• PDF Export
• Drag & Drop
• Multi-window support
• Shortcuts integration

---

Why this project?

PureNoteStudio was created to demonstrate:

• Clean SwiftUI architecture
• Maintainable MVVM design
• Repository abstraction
• Dependency Injection
• Modern iOS UI development
• Native Apple Human Interface Guidelines
• Scalable project organization

Rather than focusing solely on features, the project emphasizes code quality, modularity, readability, and long-term maintainability.

---

License

MIT License

Feel free to use this project for learning or inspiration.

---

Author

Semih TAKILAN Computer Engineering Student & iOS Developer Candidate
LinkedIn Profile | GitHub Profile