Just configure it once and forget it, App does the job for you.
You can configure it as per your convince. You can configure to remove all the messages at once or messages of particular number or type of messages you want remove.
You can enable or disable the cleaning when ever needed. App groups the messages into four categories
1. Service messages: Messages from advertisement agencies
2. Unknown messages: Messages from unknown numbers
3. Personal messages: Messages from the numbers that is in the contact list
4. Sent messages: Messages sent by you
You can choose the group or type of messages that you want to delete from your messages. Apart from these categories, you can even do black list or white listing.
Black list: You want to delete the messages from only a particular contact or number, in that case you can simply go to the black list and choose the number.
White list: You want to delete the entire category for example Service messages but you want to keep message from a particular number in that case you can got to white list and choose that number or contact
Collect Service Contacts: Usually you will not save the contacts of advertisement agencies but you might be interested to white list few of them, so in that case enable Collect service contacts, so that app will collect such contacts which will be available for white list or black list
Don;t delete message of past: you can set how many days of messages you don't want to delete max is 30. For example if you set 2, all the chosen type or blacklisted messages will be deleted other than yesterdays and day before yesterdays
This app doesn't support latest android version 4.4(Kit-kat) because of default app concept. Will be supported as soon as possible