According to Apple's knowledge base, it is now possible for apps to install the additional fonts as necessary in iOS 6.
LSFontLoader is a framework for downloading the additional fonts from Apple's server and loading them dynamically in your project.
Note that the framework is a work in progress at the moment and should be consider alpha quality. Breaking changes may happen during this time.
Install CocoaPods and add the following line to your Podfile
:
pod 'LSFontLoader', :git => 'https://github.com/luosheng/LSFontLoader.git'
Clone this repository recursively with all the submodules:
git clone --recursive https://github.com/luosheng/LSFontLoader.git
Look into LSFontLoaderExample
directory for demonstration.
LSFontLoader is licensed under MIT License.