Forget InAppBrowser for iOS - this is way better for displaying read-only web content in your PhoneGap app.
More information could be available on the GitHub README.

Installation is done via the Cordova CLI.

Install SafariViewController using the latest version from GitHub:

$ cordova plugin add https://github.com/EddyVerbruggen/cordova-plugin-safariviewcontroller.git

Supported Platforms
  • Android
  • BlackBerry 10
  • Fire OS
  • Firefox OS
  • iOS
  • Ubuntu
  • Windows 8
  • Windows Phone 7
  • Windows Phone 8
Supported Engines
  • cordova

    >=3.0.0