
SpaceCast Display
Mac & PC Screen on iPhone/iPad
0 ratings
Free
In-App Purchases
Rating summary
About
The simplest way to use your iPhone or iPad as a secondary display for your Mac/PC.
SpaceCast Display streams your Mac/PC screen to your iPhone or iPad via Wi-Fi or USB cable. Unlike Sidecar, it can connect devices with different Apple accounts, allowing for various combinations such as your own Mac/PC with a company-issued iPad or a family member's iPhone.
On a foldable iPhone (iPhone Duo), just fold it halfway: the upper screen shows your Mac/PC and the lower screen becomes a keyboard and trackpad, like a tiny laptop.
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■ Main Features
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【Features Available for Free】
・Real-time display of your Mac/PC screen on iPhone or iPad (first 10 minutes)
・Connection via Wi-Fi (Mac App Store version and official website version) or USB cable (official website version only for Mac)
・Automatic detection of nearby Macs/PCs and one-tap connection
・Secure pairing with a 6-digit PIN
・Automatic reconnection to previously paired Macs/PCs
・Adapts automatically when you fold or unfold a foldable iPhone
【SpaceCast Pro (One-time Purchase)】
・Direct control of your Mac/PC with touch
— Tap: Left click
— Two-finger tap: Right click
— Long press: Right click
— Two-finger scroll
— Pinch: Zoom in/out
— Three-finger swipe: Mission Control / Space switching
・Laptop mode (foldable iPhone): fold it halfway to show your Mac/PC on top and a keyboard and trackpad below
・On-screen Mac keyboard: show it on any iPhone or iPad with one button. Shortcuts with command, option and control work as on a real Mac keyboard, and the Eisu/Kana keys support Japanese input
・Trackpad: move the pointer, tap to click, drag, two-finger scroll, two-finger tap to right-click
・Unlimited connection time
・Transfer hardware keyboard (Magic Keyboard, etc.) input directly to your Mac/PC
・Connect devices with different Apple accounts (no Sidecar restrictions)
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■ How to Use
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1. Install and launch SpaceCast Unlimited (official website version) / SpaceCast Desktop (Mac App Store version) / SpaceCast Desktop for PC (official website version). The Mac/PC app is free.
2. Connect your iPhone or iPad and your Mac/PC to the same Wi-Fi network, or connect them with a USB cable (SpaceCast Unlimited only).
3. Open SpaceCast Display, and nearby Macs/PCs will automatically appear.
4. Tap the Mac/PC name, enter the displayed 6-digit PIN, and complete pairing.
5. Your Mac/PC screen will immediately appear on your iPhone or iPad.
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■ Notes
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• To use this app, you need to install "SpaceCast Unlimited" (official website version) or similar on the Mac connected via Wi-Fi or USB cable. Both Mac and PC apps are free to use.
• "SpaceCast Desktop" from the Mac App Store is view-only. To control your computer with touch, keyboard or trackpad, use "SpaceCast Unlimited" (official website version) on a Mac or "SpaceCast Desktop for PC" on a PC.
• To control a Mac, you need to grant accessibility permissions on the Mac side.
* Uses only local network communication. Video and input data are never sent to external servers.
* "SpaceCast Unlimited" (official website version) allows for Mac screen mirroring and extended desktop display. Please check the official website for details: https://coastandcorp.com/spacecast/mac/
* "SpaceCast Desktop for PC" (official website version) allows for PC screen mirroring. Please check the official website for details: https://coastandcorp.com/spacecast/pc/
* Compatible with iPhone running iOS 17.0 or later and iPad running iPadOS 17.0 or later. Laptop mode requires a foldable iPhone with iOS 27.1 or later.
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What's New in SpaceCast Display
1.1.0
November 3, 2026
- Now available on iPhone. - Laptop mode (Pro): fold a foldable iPhone (iPhone Duo) halfway to show your Mac/PC on top and a keyboard and trackpad below. - On-screen Mac keyboard (Pro) with shortcuts and Japanese Eisu/Kana keys. Show it on any device with the keyboard button. - When connected to the view-only Mac App Store version of SpaceCast Desktop, control buttons are hidden and a short notice explains why. - Fixed the app sometimes staying on "Connecting" when a Mac/PC could not be reached. - The local network permission prompt is now localized.
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Subscriptions & In-App Purchases
$6.99
SpaceCast Pro
Control your Mac from iPad with touch and keyboard


