Helps delete old sms messages.Speeds up unresponsive messaging applications.Can delete messages over a certain age, keep a set number of recent or trim threads to a set size.Auto cleanup deletes a SINGLE sms matching criteria when a NEW sms arrives. (Auto cleanup is not compatible with all devices unfortunately)Click wrench to configure.Notes: Does not delete messages stored in the "deleted" folder on some devices. Locked SMS messages are deleted. MMS messages are not deleted (only SMS).