duet ☆

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Description:
Remote desktop and second display tool

Type: Cask | Latest Version: 3.20.3.0@0 | Tracked Since: Dec 17, 2025

Links: Homepage | @duetdisplay | formulae.brew.sh

Category: Productivity

Tags: remote-desktop second-display productivity mobile utility

Install: brew install --cask duet

About:
Duet Display enables users to extend or mirror their computer's desktop to an iPad, iPhone, or Android device, effectively turning it into a functional secondary display. It utilizes a wired connection for optimal performance, ensuring low latency and high frame rates suitable for demanding tasks. The software provides a seamless experience for increasing screen real estate without the need for additional physical monitors.

Key Features:

Wired connection for high performance and low latency
Supports iPad, iPhone, and Android devices as displays
Touchscreen support for interacting with desktop applications
Cross-platform compatibility (macOS, Windows, iOS, Android)

Use Cases:

Mobile professionals needing a portable second monitor
Presentations and screen sharing on the go
Extending screen real estate for coding or design work

Alternatives:

Sidecar – Apple's native solution for using iPad as a second display, but limited to Apple devices and ecosystem.
Spacedesk – A free alternative primarily for Windows that supports Android and iOS devices as displays over network.

Version History

Detected	Version	Rev	Change	Commit
Jul 11, 2024 4:21pm	2.4.7.1	0	VERSION_BUMP	1d6cc15b