Spam Text Killer is a free utility app for iPhone users, developed by Oleksandr Boiko. It aims to tackle the issue of spam texts, scams, and unwanted messages, which are prevalent issues faced by many users. With over 120 billion spam messages sent in the US last year alone, this app offers a solution to safeguard users from unnecessary texts and potential scams.

The app provides automatic message checking for incoming texts from unknown numbers, flagging any potential spam, scams, or fraud. Users can customize their blocking preferences, create block lists for annoying senders, and even specify keywords to block. By offering a personalized filtering system, Spam Text Killer helps users enjoy a quieter, spam-free messaging experience.