iPhone lacks one important feature in it’s sms and that is counting the character of the SMS. Usually most of telecom provider count 160 character of SMS as 1 unit and there for sms character counter is must have application for any phone.
Though by default iPhone doesn’t have SMS character counter. Though this feature can be enabled by downloading a small piece of application from Cydia.
The application name is SMShelper. Search this application in Cydia and install this application :
Do let us know more useful application in Cydia, which will enhance iPhone features.