
GitHub Copilot
Tabnine
Cursor
ChatGPT
Safurai
MarsX
TabbyML
Free AI-powered code completion for *everyone*, *everywhere*

Air Display
spacedesk
iDisplay
Luna Display
Splashtop Wired XDisplay
Astropad
Mountie
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.

Which is more popular?
Based on our record, Codeium seems to be a lot more popular than Duet Display. While we know about 46 links to Codeium, we've tracked only 4 mentions of Duet Display.
Website, pricing, platforms and company facts side by side.
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| Website | codeium.com | duetdisplay.com |
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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
Codeium is particularly recommended for software developers, coding enthusiasts, and teams looking to boost productivity and reduce the time spent on coding and debugging. It is suitable for beginners who need guidance, as well as experienced developers looking for efficiency enhancements.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Codeium: Free Copilot Alternative
Apple Sidecar vs Duet Display: What's the Difference?
More videos
How often each product is chosen within a category, 0–100% relative to the other.


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


Codeium (Windsurf) is a fast, privacy-focused AI coding assistant that supports autocomplete, refactoring, and in-editor chat across multiple programming languages. Often, it’s used by full-stack developers who need...
Yes, some free alternatives to GitHub Copilot like Codeium offer features that can be suitable for enterprise use. However, for advanced needs, you might consider paid options like TabNine Enterprise or DeepCode (Snyk...
Another notable feature of Codeium is context pinning. It allows developers to pin any scope of code, such as a repository, a file, or a function, so Codeium takes the code in that section more seriously when...
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...
Recommendations tracked on public social media and blogs since March 2021.


Codeium provides free AI code completion and chat for individual developers. It integrates with VS Code, JetBrains, Vim, Emacs, and a growing list of other editors. The completions are competitive with Copilot in quality for most... - Source: dev.to / 6 months ago
Visit the official website at https://codeium.com Download the extension for your preferred code editor. Follow installation instructions to enable AI completions. Begin coding with AI-assisted suggestions immediately. - Source: dev.to / over 1 year ago
Codeium: Supports multiple editors and privacy-conscious teams. - Source: dev.to / over 1 year ago
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: almost 4 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
When comparing Codeium and Duet Display, you can also consider the following products.

Your AI pair programmer. With GitHub Copilot, get suggestions for whole lines or entire functions right inside your editor.
Compare GitHub Copilot to Codeium or Duet Display:

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 Codeium or Duet Display:

TabNine is the all-language autocompleter. We use deep learning to help you write code faster.
Compare Tabnine to Codeium or Duet Display:

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

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

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 Codeium or Duet Display: