
devtoolz.dev
CodeKitHub
DevToys
CodeSwissKnife
All Over Tools
DevNestTools
DevBox
Free browser-based tools for formatting, encoding, decoding, conversion, generators and everyday software development tasks.

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

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 | developertoolbox.tech | astropad.com |
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In their own words, as submitted to SaaSHub.


Developer Tool Box is a free collection of browser-based developer utilities for everyday software development. It provides tools for JSON formatting, Base64 conversion, UUID generation, URL encoding, hashing, and more, with additional utilities covering crypto, web, development, networking,...
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What each product offers, as listed by its team.


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


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Recommended for
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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.
Recommendations tracked on public social media and blogs since March 2021.


Tracking DeveloperToolBox.tech since Sep 2026.
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
When comparing DeveloperToolBox.tech and Luna Display, you can also consider the following products.

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.
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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.
Compare Duet Display to DeveloperToolBox.tech or Luna Display:

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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A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
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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.
Compare iDisplay to DeveloperToolBox.tech or Luna Display: