Thank you, I had forgotten about class guard. It's a great tool, but I recall having problems getting it to work on larger applications. It's also possible for

Thank you, I had forgotten about class guard. It's a great tool, but I recall having problems getting it to work on larger applications. It's also possible for you to remove the ObjectiveC metadata from a binary entirely, obfuscate/encrypt it, and then add it back to the ObjectiveC runtime as needed. With LLVM bitcode this becomes much more difficult (but maybe not impossible...)