iOS tools
Tool
otool
Look into binary contents
Linked library, framework etc…
.app
otool - l ApplicationName.app/ApplicationName
ApplicationName is your application
.ipa
ipa is zip. You change index from .ipa to .zip
You can see Application file into Payload/
Options:
Ref:
nm
Show symbol in binary
You can use both app file(.app) and lib
Example of lib
nm libxxx.a