
Duet Display
Air Display
iDisplay
DisplayPad
Mountie
spacedesk
ScreenFocus
Hardware that turns the iPad into a wireless second display

CodeKitHub
CodeSwissKnife
DeveloperToolBox.tech
DevNestTools
eToolKing
Toolbox-Dev
DevToolbox is a free, no-signup collection of 148 client-side developer tools and 78 guides — a lightweight alternative to installing dozens of separate SaaS dev-tool apps.

Which is more popular?
Based on our record, Luna Display seems to be more popular. It has been mentioned 69 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | astropad.com | devtoolz.dev |
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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
No analysis of devtoolz.dev yet.
Walkthroughs and reviews on video.
Review: Luna Display by Astropad
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Luna Display is another practical and premium Duet Display alternative. Putting aside the fact that Luna Display only supports Apple devices, there is nothing better than it.
Luna Display provides its services in three modes. These modes include Mac-to-iPad, Mac-to-Mac, and headless mode. It has a user-friendly interface and can be easily used by new users.
For Mac-to- Mac connection and connecting three at a time, Luna Display does the work correctly. It can turn any device to wireless screen display like iPad and Mac with no time.
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Recommendations tracked on public social media and blogs since March 2021.


App: https://astropad.com/product/studio/ Dongle: https://astropad.com/product/lunadisplay/ First turns iPad into Wacom, second is a second screen with features Sidecar doesn't offer, such as reversing for use with teleprompter. - Source: Hacker News / over 2 years ago
Luna Display [1] works with iPads running at minimum iOS 12.1. Which means iPad mini 2, iPad Air, iPad Pro 1, iPad 5 and greater. [1] https://astropad.com/product/lunadisplay. - Source: Hacker News / about 3 years ago
You could use Luna Display, I’ve used it and it was pretty good. I think it’s a great substitute when your iMac doesn’t support the required MacOS for extending the screen natively. Source: about 3 years ago
Tracking devtoolz.dev since Sep 2026.
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Free online tools: JSON formatter, password generator, QR code maker, calculators, converters and more. Fast, private, no login — everything runs in your browser.
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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.
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Feature-packed developer toolkit. Includes text conversion, encoding, UUID generation, cryptography, color conversion, JSON/XML formatting, and more for simplified, efficient development tasks without online data transmission.
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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.
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Free browser-based tools for formatting, encoding, decoding, conversion, generators and everyday software development tasks.
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