Simple SMS Messenger is an Android app developed by Simple Mobile Tools (Trieda KVP 1, Košice 040 23, Slovakia). Others apps created by Simple Mobile Tools are: Simple Calendar, Simple Contacts, Simple Draw, Simple Flashlight, Simple Gallery, Simple Music Player.

Simple SMS Messenger first became available on 14 Apr 2020. It is estimated that Simple SMS Messenger has been downloaded between 1000000 and 5000000 times from the Play Store.