Here is another fun little app to aid in your students writing. Its from the Institute of Excellence in Writing and is a electronic version of the download that comes with your students IEW writing curriculum. (This app is helpful for all writers, but will make more sense if you understand the IEWs Teaching with Structure and Style and Andrew Pudewa's style of writing.)
A quick overview of what the app contains....
Structural Models (units 1-9) - with outlines
All of the following with with descriptions, examples and word lists
This is the "Lite" version (and FREE!) Nots sure what the regular version has since this seems pretty complete to me!!