is there a free limited developer account ?

Yes.

See:

h t t p : / / idownloadblog.com/2015/12/24/how-to-create-a-free-apple-developer-account-xcode/

Appuploader This software can be achieved by paying $99 free, free Apple developer account, apply for free ios certificate You can use Appuploader this tool to create very convenient, and can create p12 certificate file directly on the Windows computer