Class-dump any Mach-o file on device or dyld_shared_cache
classdump-dyld command line tool dumps headers from binaries, bundles, frameworks etc that either reside physically on device or are stored in the dyld_shared_cache. You don't need to extract the binary first in order to classdump it.
It also offers recursive dump of whole directories options with a nice output.
It works on iPhone and Mac, all architectures, including arm64
This is a developer console utility, you may access it using MobileTerminal or remote SSH. No icons are added to your device homescreen.
Project home at Github