This app is good for those who need to keep track of the sms usage for the month. Available on BigBoss Repo

Some major changes over the old version (v1.2)
* Counting of messages based on 160 chars
* Able to keep track of deleted messages
* Simpler interface
* Saving of all the settings
* Badge showing the total outgoing SMS of the month
* Fixed bugs with name not showing on the person filter