Is there an app to c if some one has opened your text?

Is there an app for iPhone 4S that can show you if someone has opened/read your text. I want toom or if people have read it yet not replied.

Yes i there's an application available i share that's link http://www.droidxforums.com/forum/droid-x-apps/46817-apps-let-you-know-if-your-text-has-been-read.html
Please visit and check that it completed your requirements or not