Then biteSMS is for you, with lots of extra features like Quick Reply, Quick Compose, Scheduled Messages, Auto-Forward, Auto-Retry, Passcode Lock, Privacy, Delivery Reports, Contact Pics, Easy Pick Smileys, Templates, Signatures and much more!
Simply use biteSMS as a complete souped-up replacement to the built-in Messages application on iPhone, iPod and iPad devices.

Continue reading: How To Answer SMS While iPhone Screens Locked With Password

BITESMS iOS 6 - BEST iPHONE SMS CLIENT
Frustrated with the built-in Messages app? Want more features? Wish it was much quicker to compose or reply to messages?
Continue reading: BITESMS iOS 6 - BEST iPHONE SMS CLIENT