Guard gem for Frank-Cucumber.
Guard::Frank automatically run your frank-cucumber features for iOS.

$ gem install guard-frank

Add support of the frank-cucumber to your project as described.
Then go to the Xcode settings and setup Derived Data as Relative.

.

When you're done, run following commands from project_path/Frank directory

$ guard init frank
$ guard

Note that Frank needs to know which target of project you want to test.
So after initilizing frank you need modify Guardfile, if neccessary.

all_on_start - run all specs at first start, by default true
project - project name, if not set, then gem will try to find it by *.xcodeproject expression
target - calabash target, by default $project-cal
config - Debug/Release, by default Debug