Best Devtools Extension Apps

249+ iOS apps curated and reviewed

3.7 avg rating
18 free apps
Updated September 2026

DevTools Extension is the household name in devtools extension, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Devtools Extension Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1DevTools ExtensionDevTools ExtensionFree3.5★ (17)NoNoAug 2026
2Web InspectorWeb InspectorFree3.9★ (152)NoNoSep 2026
3Debug AnywhereDebug AnywhereFree4.6★ (54)NoYesAug 2026
4DevTools+: Dev Tools & CodeDevTools+: Dev Tools & CodeFreeNoYesSep 2026
5devtoolsdevtoolsFree5.0★ (1)NoNoJul 2026
6Apple DeveloperApple DeveloperFree4.1★ (2.1K)NoYesSep 2026
7TapspectTapspectFreeNoNoJul 2026
8Valt ExtensionValt ExtensionFreeNoNoJul 2026

Top Picks for Devtools Extension

Web Inspector#2

Web Inspector by And a Dinosaur

Developer Console for Safari
Strong Contender
🛠️ Developer Tools
3.9😐(152 ratings)
Free
#43in 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

This app provides a suite of web development tools for Safari on mobile devices. Inspect and edit the DOM, view element styles, execute JavaScript commands, monitor network requests, and examine stored resources like cookies.

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
  • 🔍 Difficult to use or navigate
Debug Anywhere#3

Debug Anywhere by 浩鑫 庄

Inspect web / DevTools
Worth Considering
🛠️ Developer Tools
4.6😊(54 ratings)
FreeIn-App Purchases
Debug Anywhere screenshot 1
Debug Anywhere screenshot 2
Debug Anywhere screenshot 3
Debug Anywhere screenshot 4
Debug Anywhere screenshot 5
Debug Anywhere screenshot 6

This app provides a comprehensive suite of tools for web developers to inspect and debug web pages within a WebView environment. It offers features like source code inspection, network diagnostics, and JavaScript injection to streamline the development process.

What We Love

  • 🚀 Useful for debugging
  • 👍 Easy to use
  • 💡 Simulates browser F12 mode
  • 👍 Great for developers
  • 👍 Allows code execution on websites
  • 👍 Useful for practicing
  • 👍 Debug from anywhere
  • 👍 Superb app
  • 👍 Amazing work
  • 👍 Great job on presentation
  • 👍 Very useful app
  • 👍 Debugging tool
  • 👍 Fast to learn
  • 👍 Handy debugging browser
  • 👍 Saves custom user agents
  • 👍 Multiple tools in one
  • 👍 Good for quick inspection
  • 👍 Problem solving on the go
  • 👍 Excellent utility tool
  • 👍 Debug from iPhone
  • 👍 Free app
  • 👍 Works on iPhone

Room to Improve

  • 🐛 Cannot see initial console.log
  • 🐛 Console visible only after opening
  • 🐛 No desktop site switch
  • 🐛 Not loading

More Devtools Extension apps to explore

FAQ about Devtools Extension

What are the best devtools extension apps for iPhone?
DevTools Extension tops our devtools extension apps ranking as of September 2026, with a 3.5-star average from 17 App Store ratings, and it's free to download.
Yes — 18 of the top devtools extension apps we rank are free to download, including DevTools Extension and Web Inspector.
DevTools Extension has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 249+ devtools extension apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
DevTools Extension provides a console for errors and commands, an elements inspector for DOM and styles, network monitoring, resource inspection (localStorage, cookies), and source code viewing.
DevTools Extension is supported on iPhone, iPad, and iPod touch devices.