Best Devtools Extension Apps

213+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated June 2026

DevTools Extension is the household name in devtools extension, but it's far from the only option. We track 213+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Devtools Extension

DevTools Extension#1

DevTools Extension by 浩鑫 庄

DevTools for Safari
Editor's Choice
🛠️ Developer Tools
3.3(15 ratings)
Free
DevTools Extension screenshot 1
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DevTools Extension screenshot 3
DevTools Extension screenshot 4
DevTools Extension screenshot 5

Access essential developer tools directly within Safari with this extension. Explore console features, examine elements, monitor network activity, and view webpage resources all in one place. Enhance your web development workflow now.

Web Inspector#2

Web Inspector by And a Dinosaur

Developer Console for Safari
Strong Contender
🛠️ Developer Tools
4.1😐(128 ratings)
Free
#44in Developer Tools
Web Inspector screenshot 1
Web Inspector screenshot 2
Web Inspector screenshot 3
Web Inspector screenshot 4
Web Inspector screenshot 5
Web Inspector screenshot 6

Web Inspector is a powerful tool designed as a developer console specifically for Safari browser. It provides comprehensive debugging capabilities and allows developers to inspect, modify, and analyze web pages in real-time. Try it now to enhance your web development experience.

What We Love

  • 🚀 Efficient web inspector
  • 👍 Useful debugging tools
  • 🔍 Helpful for web development
  • 💡 Brings desktop-like functionality to mobile

Room to Improve

  • 🐛 Crashes and bugs
  • 🔍 Limited functionality compared to desktop tools
  • 🔍 Inconsistent performance
Debug Anywhere#3

Debug Anywhere by 浩鑫 庄

Inspect web / DevTools
Worth Considering
🛠️ Developer Tools
4.6(56 ratings)
FreeIn-App Purchases
Debug Anywhere screenshot 1
Debug Anywhere screenshot 2
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Debug Anywhere screenshot 6

Inspect and debug web pages easily with a versatile tool that offers developer options, UserAgent modification, JavaScript injection, network status checks, URL Scheme testing, and incognito mode. Improve your web development workflow with this all-in-one debugging solution.

More Devtools Extension apps to explore

4
Apple Developer
Apple Developer
Apple Developer
by Apple Inc.
Free

Stay up-to-date with the latest Apple frameworks and technologies, watch WWDC videos offline, and enroll in the Apple Developer Program. Get developer news, features, and stories all in one place.

🛠️ Developer Tools
(2.1K)
5
TOR Browser: The Onion + VPN
TOR Browser: The Onion + VPN
TOR Browser: The Onion + VPN
Privacy Browser,Dark Net,Orbot
Free

This application is a secure browser that uses a combination of TOR and VPN technologies to encrypt and reroute your web traffic through multiple servers for enhanced privacy and security. It offers features like blocking ads, preventing tracking, accessing the dark web anonymously, and more. You can upgrade to the premium plan for additional benefits like zero ads, faster VPN connection speed, and unlimited global VPN servers. Never compromise your identity - browse safely and securely with this app.

🔧 Utilities
(14K)
6
Teste - API, Scripts, Terminal
Teste - API, Scripts, Terminal
Teste - API, Scripts, Terminal
Developer Workspace
Free

Experience seamless API testing with our innovative tool that lets you create, edit, and run scripts effortlessly. Test your APIs with precision and ease - try it now!

🛠️ Developer Tools
(496)
7
Addons - Scripts & Adblock
Addons - Scripts & Adblock
Addons - Scripts & Adblock
Userscripts for Safari
Free

Discover a versatile application that offers a range of useful scripts and addons for enhancing your digital experiences. Unlock a world of customization and efficiency with this all-in-one tool. Experience a new level of productivity - try it now!

📊 Productivity
(331)
8
HTML Editor
HTML Editor
HTML Editor
by Intrepid Corporation LTD
Free

This application is a lightweight HTML editor with syntax highlighting, code completion, live preview, and iCloud support. It allows you to edit HTML documents, insert tags easily, and export and share your work. Give it a try for efficient HTML editing on the go!

🛠️ Developer Tools
(682)
9
Stay for Safari
Stay for Safari
Stay for Safari
Userscripts & Ad blocking
Free

"Manage and run userscripts effortlessly with Stay for Safari, the ultimate userscript extension manager. Enhance your browsing experience by easily installing, enabling, and disabling userscripts for Safari. Download now to take full control of your browsing environment!"

🔧 Utilities
(2K)
10
Codable
Codable
Codable
Web developer tools for mobile
Free

This mobile application provides front-end web developer tools, allowing users to debug and test web pages on a smaller screen. With features such as a resizable viewport, source viewing, node listing, CSS editing, and console output, users can efficiently test and refine web pages on-the-go.

🔧 Utilities
(5)
11
Cookie Blocker
Cookie Blocker
Cookie Blocker
Protect your privacy
Free

Discover a revolutionary Safari web extension that enhances your browsing experience by eliminating pesky cookie popups. With over 2 million supported sites, experience seamless browsing instantly. Install now and enjoy an uninterrupted online journey.

🔧 Utilities
(100)
12
JavaScript Anywhere JSAnywhere
JavaScript Anywhere JSAnywhere
JavaScript Anywhere JSAnywhere
JS, HTML and CSS for everyone.
Free

A portable programming editor for web engineers and designers since 2010, allowing users to write JavaScript, HTML, and CSS code with features like preview, console log display, project imports, and Dropbox integration. Minimalistic and user-friendly, it offers various project templates for different needs. Happy coding!

🔧 Utilities
(435)
13
HTML Viewer Pro
HTML Viewer Pro
HTML Viewer Pro
Source Code Viewer
Free
🔧 Utilities
(40)
14
Web Messenger for Dual Chat
Web Messenger for Dual Chat
Web Messenger for Dual Chat
Use Dual Messenger, Any Device
Free

Access and use popular messaging apps like WhatsApp and Telegram on a web browser with advanced features like Desktop View and user agent switching, enabling a full desktop experience on mobile devices. Explore developer tools for managing headers, cookies, and more. Unlock premium features for unlimited usage. Contact us for support or feedback. Find our Privacy Policy and Terms of Service in the settings.

🔧 Utilities
(3.2K)
15
Spliteb for Safari
Spliteb for Safari
Spliteb for Safari
Web Inspector
Free

This web extension allows users to inspect web pages directly in the browser, view and edit HTML elements, and offers additional features like a JavaScript console and style modification with a premium upgrade. Try it now to enhance your web browsing experience on iPad with a split-screen view of the web inspector and browser.

🛠️ Developer Tools
(12)
16
Refined GitHub
Refined GitHub
Refined GitHub
Improvements for github.com
Free

Refined GitHub is a browser extension that enhances the GitHub.com experience by simplifying the interface and adding numerous features like linkifying references, one-click merge conflict fixes, and more. Explore its 200+ features on the website to streamline your GitHub workflow.

🛠️ Developer Tools
(55)
17
devtools
devtools
devtools
web developer tools for mobile
Free
🛠️ Developer Tools
(1)
18
Expo Go
Expo Go
Expo Go
by Nametag
Free

Build interactive projects using web technologies with Expo Go on your iOS device and computer. Develop experiences with gestures and graphics using JavaScript and React. Join now to start creating!

🛠️ Developer Tools
(3.2K)
19
Web Inspector - code debugger
Web Inspector - code debugger
Web Inspector - code debugger
Mobile html javascript css xml
Free

This application allows you to retrieve and share HTML, CSS, and JavaScript code from web pages, particularly mobile pages, directly from your mobile device. Debug your web app by inspecting the source as if you were using a real mobile device browser.

🔧 Utilities
(30)
20
Userscripts
Userscripts
Userscripts
User Script and Style Manager
Free

Discover an open-source Safari extension allowing you to save and execute custom JavaScript and CSS code on visited websites. Optimize your browsing experience with Userscripts!

🛠️ Developer Tools
(165)