SimTool 🛠️

A beautiful and powerful TUI for managing iOS Simulators

Navigate your iOS simulators, browse apps, explore files, and preview content—all from your terminal.

✨ Features

🚀 Simulator Management

• List all iOS simulators with status indicators (running/stopped)
• Boot simulators directly from the TUI
• Smart filtering to show only simulators with apps
• Real-time search by name, runtime, or state

📱 App Browsing

• Browse installed apps with detailed information
• View app metadata: Bundle ID, version, size, last modified date
• All Apps view: See apps from all simulators in one place
• Open in Finder: Quick access to app containers
• Lightning-fast search across all app properties

📁 File Explorer

• Navigate app containers with an intuitive file browser
• Breadcrumb navigation for easy orientation
• Smart file previews based on content type
• Quick Finder access for any file or folder

🎨 Rich File Viewing

📝 Text Files Syntax highlighting for 100+ languages Automatic language detection Theme-aware colors Lazy loading for large files	🖼️ Images Terminal-based previews Support for PNG, JPEG, GIF, WebP, BMP, TIFF SVG rendering with ASCII art Automatic format detection
📦 Archives Browse ZIP, JAR, IPA, APK contents Tree structure visualization Compression statistics No extraction needed	🗄️ Databases SQLite browser with table navigation Paginated data viewing Schema inspection Column-aligned display

⚡ Additional Features

• Property List Support: Automatic binary plist → XML conversion
• Binary File Viewer: Hex dump with ASCII preview
• Dynamic Theming: 60+ themes, auto dark/light mode switching
• Vim Navigation: Full keyboard control with customizable shortcuts
• Responsive Design: Adapts to any terminal size
• Lightning Fast: Instant navigation and lazy loading

📋 Requirements

• macOS 10.15 or later
• Xcode Command Line Tools
• Go 1.24.4 or later (for building from source)

🚀 Installation

Homebrew (Recommended)

brew tap azizuysal/simtool
brew install simtool

Go Install

go install github.com/azizuysal/simtool/cmd/simtool@latest

Download Binary

Download from Releases page.

Build from Source

git clone https://github.com/azizuysal/simtool.git
cd simtool
make install

📖 Usage

Quick Start

# Launch SimTool
simtool

# Start with all apps view
simtool --apps

Keyboard Shortcuts

Key	Action
↑/↓ or j/k	Navigate up/down
←/→ or h/l	Go back/enter
Space	Boot simulator / Open in Finder
/	Search mode
f	Filter (simulators with apps only)
q	Quit
g/G	Jump to top/bottom

All shortcuts are customizable.

⚙️ Configuration

SimTool uses a TOML configuration file located at ~/.config/simtool/config.toml.

# Start with all apps view by default
[startup]
initial_view = "all_apps"

# Theme configuration
[theme]
mode = "auto"  # auto, dark, or light
dark_theme = "dracula"
light_theme = "github"

# Custom key bindings
[keys]
up = ["up", "k"]
down = ["down", "j"]
quit = ["q", "ctrl+c"]

Generate an example configuration:

simtool --generate-config

See Configuration Guide for all options.

🎨 Themes

SimTool includes 60+ beautiful syntax highlighting themes. Popular choices:

Dark: dracula, monokai, github-dark, nord, tokyo-night
Light: github, solarized-light, tango, papercolor-light

List all themes:

simtool --list-themes

🤝 Contributing

Contributions are welcome! Please read our Contributing Guide for details on our code of conduct and development process.

Development Setup

git clone https://github.com/azizuysal/simtool.git
cd simtool
go mod download
make build

See Development Guide for architecture details.

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.

🙏 Acknowledgments

• Built with Bubble Tea - The delightful TUI framework
• Syntax highlighting by Chroma
• Styled with Lipgloss

🌟 Star History

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Made with ❤️ by Aziz Uysal