Showing common short messages on your iOS device

  1. Go to
  2. Type in your message and press enter
  3. Use the "Add to Homescreen" feature of Mobile Safari and save the page to your home screen
  4. Anytime you want to show the message again just tap the icon and the page will load with that message

The page works offline and to save space you can group a bunch of common statements into a single folder. Let me know if it works for you.