An AI-Powered SMS Spam Filtering for iOS11, It uses machine-learning to filter incoming SMS messages from unknown senders. The database that AI has been trained with is crowdsourced, which means the more people use it, the better it gets over time. You also can add custom rules in case you want to override the AI's results.
Its best spam sms blocker which its AI learns a lot when lots of people using it and its accuracy so far is 99%. its block those nonsense spammer. i was beta tester and now its offically release,. from beta it works fine till its offical release and now even more POWERFULL