SpaceCast Desktop
Mirror screen to sub-display
Only for Mac
Free
Mac
A lightweight menu bar app that turns your iPad into a secondary display for your Mac.
Launch SpaceCast Desktop on your Mac and it instantly streams your screen to any iPad on the same Wi-Fi network. Control your Mac from your iPad with touch. Unlike Sidecar, no matching Apple ID is required.
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FEATURES
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· Real-time screen mirroring from Mac to iPad
· Touch and gesture control from iPad to Mac
— Tap: left click
— Two-finger tap: right click
— Long press: right click
— Two-finger scroll
— Pinch: zoom in / out
— Three-finger swipe: Mission Control / Spaces
· Hardware keyboard forwarding (Magic Keyboard, etc.)
· Automatic iPad discovery via Bonjour (mDNS)
· Secure pairing with ECDH key exchange + 6-digit PIN
· Fast auto-reconnect using session tokens
· Instant display refresh when switching macOS Spaces
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HOW TO GET STARTED
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1. Install and launch SpaceCast Desktop on your Mac (it lives in the menu bar).
2. Install "SpaceCast Display" (free, App Store) on your iPad and launch it.
3. Connect both devices to the same Wi-Fi network.
4. Select your Mac from the device list on your iPad and enter the 6-digit PIN shown on your Mac.
5. Your Mac's screen appears on your iPad immediately.
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PERMISSIONS
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· Screen Recording: to capture and stream your Mac's display.
· Accessibility: to forward touch and keyboard input from iPad to Mac.
· Local Network: to discover nearby iPads running SpaceCast for iPad.
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NOTES
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· "SpaceCast Display" (free on the App Store) is required on your iPad.
· This app supports screen mirroring of your Mac's main display.
· Touch control requires Accessibility permission on the Mac.
· All communication is local network only. No data is sent to external servers.
· Requires macOS 14.0 (Sonoma) or later.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- The URL of the official website has been changed.
The developer, Takahiro Endo, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Takahiro Endo
- Size
- 1.5 MB
- Category
- Utilities
- Compatibility
Requires macOS 14.0 or later.
- Mac
Requires macOS 14.0 or later.
- Mac
- Languages
English and 9 more
- English, French, German, Italian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
- Age Rating
4+
- 4+
- Copyright
- ©️ 2026 Coast&Corp.