iOS supports third-party browsers, but not like you might expect. Third-party browsers will always be inferior to Apple’s own Safari on iPhone and iPad — at least until Apple relaxes their restrictions. This is the reason why Mozilla no longer offers their Firefox Home app for iOS, and it’s the same reason why Google’s Chrome developers had an internal debate before releasing the current Chrome app in the App Store. All Browsers Must Use Safari’s Rendering Engine Apple’s App Store policies state: “Apps that browse the web must use the iOS WebKit framework and WebKit Javascript.” This means that web browsers can’t implement their own rendering engines; they must embed a version of Safari’s rendering engine. They can’t offer a faster rendering engine or new web features. In effect, each third-party browser on iOS is a different interface around Safari. On traditional desktop operating systems, like Windows, Mac OS X, and Linux, each browser can provide its own render...
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