Microsoft Edge web browser is available for download for iPhone and very soon, it will be released on Android’s playstore as well. Currently in testing phase, you can download this early version of Microsoft Edge for iPhone by signing up for windows insiders program and then downloading it on your iPhone. The Microsoft Edge for iPhone and Android will allow you to share documents easier and browse from where you left off at your PC running Windows 10.
To download, you must be on Windows 10 Fall creator update which gives you the ability to pass a link to “continue on PC” share target. Using this feature, you will be able to continue experience on windows 10 PC or save it for later.
While the iPhone version still makes use of Apple’s webkit for rendering, you get features like “website favorites sync”, “reading list sync”, eBook + ePub support and password sync (coming soon). You will have to sign in using your Microsoft Account to use these features. Bing is set as main search engine but you can easily change that to Google or Yahoo.
There is no word if there browser extensions are coming to iPhone or android version, but their support may be added in future updates that will be determined by users’ feedback.