DeskJoin

DeskJoin Screen

Turn Another Device into a Second Display — Free

A Mac, desktop display, and iPad working together across connected screens
macOSmacOS 12.3+ · UniversalDownload 2.7 ↓Windows — Receive an extended display from a MacWindows 10+ · x64Download 1.5 ↓Extend must be started from the Mac. Windows cannot extend its own desktop yet.iOSiOS 17+View on the App Store ↓AndroidAndroid 10+ · APKDownload 1.0.2 ↓
  • No subscription or product login.
  • No cloud relay for screen streaming.
  • No screen content uploaded to DeskJoin.
  • Install the same small app on both devices.

How to Use

Install DeskJoin Screen on both devices. Open the app on each device, then choose the device you want to connect.

Features

A Mac using another Mac as an extended monitorExtend another monitorA Mac extending its desktop to an iPadUse an iPad as a second monitorA MacBook extending its desktop to an Android tabletUse an Android tablet as a second monitorAn old iMac used as the main monitor for a closed MacBookUse an iMac as your MacBook's main displayA dim iMac with vertical screen lines mirrored clearly to a Windows notebookBroken iMac screen? Use a Windows notebook

A second display that looks clear and feels smooth.

Crisp and clearHigh-quality streaming keeps text, windows, and interface details easy to read.
Smooth and responsiveLow-latency local streaming keeps movement and everyday interaction fluid.
Great for videoPlay video on the other computer while keeping your main display free for work.