
Air Display
iDisplay
spacedesk
Luna Display
Astropad
Mountie
Splashtop Wired XDisplay
With Duet Display, you can transform your iPhone or iPad into a second display to expand the screen space of your PC or Mac system.

Cursor
Claude Code
Windsurf Editor
replit
Codeium
Tabnine
Codex by OpenAI
Your AI pair programmer. With GitHub Copilot, get suggestions for whole lines or entire functions right inside your editor.

Which is more popular?
Based on our record, GitHub Copilot seems to be a lot more popular than Duet Display. While we know about 389 links to GitHub Copilot, we've tracked only 4 mentions of Duet Display.
Website, pricing, platforms and company facts side by side.
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| Website | duetdisplay.com | github.com |
| Company | — | Startup from the United States |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Duet Display yet.
Trained on billions of lines of public code, GitHub Copilot puts the knowledge you need at your fingertips, saving you time and helping you stay focused.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Apple Sidecar vs Duet Display: What's the Difference?
More videos
Game over… GitHub Copilot X announced
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Duet Display and GitHub Copilot. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Duet Display vs SpaceDesk: While some users do claim that SpaceDesk is not as responsive as Duet Display, the overall experience is satisfactory. It’s interesting that splash top is available on both Mac and windows...
It is a well-known software operating since the time of SpaceDesk. Duet Display has advanced features that make it a perfect alternative for SpaceDesk. Previously the software was only compatible with iPads and...
For quite some time now, Duet Display has been helping old iPads work as MacBook displays that are fast too. It’s only recently that they have been focusing on Windows and they are emerging as a good alternative to...
GitHub Copilot is a powerful tool that developers use to boost their productivity and streamline their coding process with the aid of AI.
Accelerated handling of repetitive tasks: You already know how to write a pagination query or scaffold an endpoint, so why waste time? Tools like GitHub Copilot or Codeium handle the boilerplate so you can focus on...
GitHub Copilot Chat is similar — you can ask it to explain code or suggest improvements. It's integrated right into VS Code, so it feels pretty seamless. They've been rolling out some new features lately, like better...
Recommendations tracked on public social media and blogs since March 2021.


Third party app Duet (duetdisplay.com) allows vertical orientation. Source: over 3 years ago
The native Apple Sidecar monitor extension thing will only work within range of the host computer ("both devices must be within 10 meters (30 feet) of each other and have Bluetooth, Wi-Fi, and Handoff turned on "). There's third party... Source: over 3 years ago
Thanks to our friends at About Chromebooks, Penoval, the Crostini subreddit, Duet Display and MyScript for helping make this possible. Source: over 4 years ago
I build Browy, an open-source AI agent that lives In a Chrome side panel and a DevTools REPL. It drives the real browser Tabs you have open. The thing it does not have is its own subscription. It uses your existing GitHub Copilot... - Source: dev.to / 14 days ago
Snagly is a free, MIT-licensed set of 30 skills for AI coding agents — GitHub Copilot, Claude Code, Cursor, Codex and 70+ others — that turn "an AI that can drive a browser" into "an AI that tests like a QA professional." A skill, if you... - Source: dev.to / 2 months ago
Where llms.txt genuinely gets read is a different layer: coding and agent tooling — Cursor, Claude Code, GitHub Copilot, Windsurf — pulling a documentation site's pages with less token waste, plus emerging agent protocols like OpenAI's... - Source: dev.to / 4 months ago
When comparing Duet Display and GitHub Copilot, you can also consider the following products.

Air Display allows extra screens to extend the display size of a Mac desktop. The company behind the product is Avatron Software, which was founded in 2008. Read more about Air Display.
Compare Air Display to Duet Display or GitHub Copilot:

The AI-first Code Editor. Build software faster in an editor designed for pair-programming with AI.
Compare Cursor to Duet Display or GitHub Copilot:

iDisplay is an app that turns a mobile device into a secondary desktop monitor. The app currently supports iOS, Android, Windows and MacOS, and it lets users connect a desktop computer to a mobile device over WiFi. Read more about iDisplay.
Compare iDisplay to Duet Display or GitHub Copilot:

Transform hours of debugging into seconds with a single command. Experience coding at thought-speed with Claude's AI that understands your entire codebase—no more context switching, just breakthrough results.
Compare Claude Code to Duet Display or GitHub Copilot:

spacedesk expands the Windows desktop computer screen to other computers over the local area...
Compare spacedesk to Duet Display or GitHub Copilot:

Tomorrow's editor, today. Windsurf Editor is the first AI agent-powered IDE that keeps developers in the flow. Available today on Mac, Windows, and Linux.
Compare Windsurf Editor to Duet Display or GitHub Copilot: