How to dump header for an ios app

1. Run iproxy 2222 22
2. Go to frida-ios-dump git directory (which has dump.py) and run ./dump.py com.reddit.Reddit
3. An IPA file is created. Move it to somewhere like ~/ipa-dump/reddit. unzip it, we can see Payload/Reddit.app
4. Go to ios-tweaks/_scripts/class-dump-helper and run ./class-dump-helper.py ~/ipa-dump/reddit