
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.

Vast.ai
GPU Per Hour
Coreframe Cloud
GPUniq
vagon
TensorDock GPU Cloud
OpenRouter
GPU rental by the minute plus an OpenAI-compatible AI API, on one prepaid balance. Independent service.

Which is more popular?
Based on our record, Duet Display seems to be more popular. It has been mentioned 4 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | duetdisplay.com | cloudgpu.app |
| Pricing | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Duet Display yet.
On-demand GPU rental for AI workloads, billed by the minute: RTX 4090 48G, RTX 5090, A100 80G and more, with root SSH, Jupyter and ready templates for ComfyUI and LLM training or inference. Pay by card or USDT.
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
No analysis of CloudGPU.app yet.
Walkthroughs and reviews on video.
Apple Sidecar vs Duet Display: What's the Difference?
More videos
No CloudGPU.app videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Duet Display and CloudGPU.app. 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...
We have no reviews of CloudGPU.app yet. Be the first one to post
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: 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
Tracking CloudGPU.app since Sep 2026.
When comparing Duet Display and CloudGPU.app, 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 CloudGPU.app:

GPU Sharing Economy: One simple interface to find the best cloud GPU rentals.
Compare Vast.ai to Duet Display or CloudGPU.app:

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

Real-time cloud GPU price comparison: Find the cheapest H100, A100, RTX 4090 & more across 30+ providers. Deploy instantly and save big on hourly rentals.
Compare GPU Per Hour to Duet Display or CloudGPU.app:

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 CloudGPU.app:

RTX 5080 cloud workstations for D5 Render, Lumion, Enscape and Unreal Engine, plus CFD pressure-drop reports. Per minute from ₹399/hour in India (GST included) or $5.99/hour abroad.
Compare Coreframe Cloud to Duet Display or CloudGPU.app: