Avoid typing the same SMS message over and over again. Instead, create the template once and send it away in just a couple of taps. SMS Templates is a simple utility that makes sending repetitive SMS a breeze. The main features are
1.Send Text SMS from existing templates
2.Templates can contain ‘text’ as well as ‘recipients’.
3.Edit the templates
4.Chance to edit the message just before sending

We have lite version of this app. Use below link to access the lite version.
"http://itunes.apple.com/us/app/sms-templates/id534189524?ls=1&mt=8