Scrap Scrap, nothing worth. Almost no configuration options, you must have your banned numbers in your phonebook, otherwise unwanted messages will not be filtered. Deleting...
Cleanest, simplest interface out there The only reason I am giving a low rating is because it does not allow manual number entry specially using wild cards like +4495* block all numbers starting with +4495 otherwise the application is very light on resources and has a really simple interface
SMS and Call blocker is an android Firewall which help you in creating blocklist