The top-rated alternative to Duet Display is TeamViewer, which is free for personal use. People also recommend RustDesk, Spacedesk, AnyDesk and Air Display. Remote Desktop Tools like Duet Display are a crowded field, with more than 25 alternatives for Mac, iPad, Windows, iPhone and Android.
Transforms a tablet or smartphone into an additional wired display using USB for Windows or Mac, enabling high-performance multitasking, touch control, auto landscape or portrait mode switching, support for creative and office apps, and secure connectivity.
United States
Access and control your Mac from anywhere. Modern remote desktop for Mac, iPad, and iPhone.
United States
Converts a tablet or computer into a wireless, low-latency secondary display for Mac or PC with USB-C/HDMI connectivity, touch, Apple Pencil, and keyboard support. Offers multiple modes, high-quality images at 60 fps, and integrates with drawing applications for versatility.
United States
Transforms an iPad into a professional drawing tablet for Mac and PC, featuring customizable shortcuts, Magic Gestures, pressure sensitivity with selectable curves, hover support for new pencils, quick keys, and seamless wireless or wired connectivity for artists.
United States
Remote control and support tool for Windows offering screen monitoring, chat, and file transfer, allowing users to assist clients, share files, manage multiple sessions, while partners oversee and manage permissions during support.
Vietnam
Enables tablets to function as HDMI monitors for external devices such as cameras, gaming consoles, and VHS. Features AI-powered upscaling for sharper visuals, CRT emulation for retro games, image adjustments, screenshot sharing, and portable use.
United States
Smart devices become monitors by connecting them to a PC via USB! The Convenient Connect TwomonUSB
United Kingdom
Yam Display turns your iPad/iPhone into an external monitor for your Mac. Wired by USB, browse documents or watch videos without delay. Touch your Mac and pinch to zoom on beautiful retina display. For multitasking enabled iPads, you can utilize every single pixel of your screen...
United States
CamX - USB Camera is a multifunctional iOS app that converts your device into a portable video capture tool, capable of recording from various sources, and can also serve as a gaming console display or secondary screen.
United States
Enables iPad functionality as a console or HDMI monitor using UVC capture cards, featuring AI-powered super resolution, dynamic color filters, adjustable resolution and frame rate, real-time diagnostics, and a fullscreen interface for gaming or media.
China
Turn your iPad/iPhone or Android tablet or smartphone into a convenient side monitor for your Windows or Mac desktop. iDisplay is a universal app specially optimized for iPad, iPhone, iPod Touch, and Android devices screens.
Germany
EU
Free, open-source Sidecar/Duet alternative — use your iPhone or iPad as a true second monitor for your Mac over USB or WiFi. Low latency H.264, Retina HiDPI, touch input.
