Randomness utility for Apple platforms
Roll dice, flip coins, pick numbers, generate passwords and colors. A polished, tactile randomness utility built with Swift and SwiftUI.

Built with Swift and SwiftUI. No Electron, no web views, no bloat.

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Screenshots

All 7 modes on a single canvas — Number, Dice, Coin, Picker, Password, Color, Shuffle — plus live previews of each mode's last cast.

The About sheet — GitHub, Sponsors, Buy Me a Coffee, Translations, and issue reporting, each with its real brand palette.

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Download

Download the latest version from Releases. Unzip, move Cast.app to Applications, and launch.

The app includes a built-in update checker -- open About and click Check Now to see if a newer version is available.

Features

• 7 randomness modes — Number, Dice, Coin, Picker, Password, Color, Shuffle. Each gets its own focus view tuned to what the mode does.
• Tactile delight — per-mode cast animations, sound effects, and trackpad haptics. All three toggle independently in Settings.¹
• Apple Shortcuts integration — 7 AppIntents discoverable in Siri, Spotlight, and Shortcuts.app. Ask "Flip a coin with Cast", "Roll dice with Cast", or build automations.
• Cryptographically-secure password generation — 8 – 64 chars, per-class toggles, optional "exclude ambiguous" (0/O, 1/l/I, etc.). Never written to disk.
• 8-language localization — English, French, German, Spanish, Portuguese (BR), Japanese, Korean, Chinese (Simplified).
• Accessibility-first — full VoiceOver labels on every card + control, Reduce Motion automatically drops animations to subtle.
• Built-in update checker — queries GitHub Releases. No Sparkle. Toggleable from Settings.

Keyboard Shortcuts

Shortcut	Action
Space	Cast (in any focus mode)
Cmd + 1 … Cmd + 7	Jump to Number / Dice / Coin / Picker / Password / Color / Shuffle
Cmd + C	Copy current result
Cmd + [ or Esc	Return to home
Cmd + ,	Open Settings

Apple Shortcuts

Cast exposes 7 intents. Each runs without opening the app — useful for automations.

Intent	Returns
Cast a Number	Int
Roll Dice	[Int] rolls + total in the dialog
Flip a Coin	"Heads" or "Tails"
Pick from List	String
Generate Password	String
Random Color	formatted String (HEX/RGB/HSL)
Shuffle List	[String]

Sample invocation phrases: "Roll dice with Cast", "Generate a password with Cast", "Pick an item with Cast".

Requirements

	Requirement
OS	macOS 14.0 (Sonoma) or later
Chip	Any Mac (Apple Silicon or Intel)

Getting Started

1. Download and install

Download the latest .zip from Releases, extract it, and move Cast.app to your Applications folder.

2. Launch and configure

Launch the app and configure your preferences.

Translations

This repository hosts the translation files for Cast. You can help translate the app into your language or improve existing translations.

How to contribute

1. Fork this repository
2. Edit an existing file in the languages/ folder, or create a new one by copying English.xml
3. Translate the string values (the text between <string> tags) -- do not change the key attributes
4. Keep any %1, %2, %@, %d placeholders in place -- the app needs them
5. Submit a pull request

Current languages

Language	File	Status
English	English.xml	Complete
French	French.xml	Complete
German	German.xml	Complete
Spanish	Spanish.xml	Complete
Japanese	Japanese.xml	Complete
Korean	Korean.xml	Complete
Portuguese (BR)	Portuguese.xml	Complete
Chinese (Simplified)	Chinese.xml	Complete

Want to add a new language? Copy English.xml, rename it to your language name, translate the values, and submit a PR.

Bug Reports & Feature Requests

Please use Issues to report bugs or request features.

Support the Project

If Cast is useful to you, consider supporting development:

   

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Troubleshooting

"Cast" Not Opened -- Gatekeeper warning

Cast is not yet notarized with Apple. On first launch you may see a Gatekeeper warning.

To fix this:

1. Click Done to dismiss the dialog
2. Open System Settings > Privacy & Security
3. Scroll down -- you'll see a message that Cast was blocked
4. Click Open Anyway

This only needs to be done once. After that, the app will open normally.

Administrator password required when installing an update

When you click Install Now in the About window, macOS will show a password prompt before replacing the app in /Applications. This is expected -- the app needs elevated permissions to overwrite itself.

Footnotes

1. Haptic feedback requires a Force Touch trackpad (built into every MacBook Pro since 2015, MacBook Air since 2018, and Magic Trackpad 2+). On desktop Macs, older laptops, or when using a regular mouse, macOS silently ignores haptic requests — sounds and animations continue to work unaffected. ↩