AutoPager

AutoPager, previously known as "Page My Driver", allows the user to specify 1-2 phone numbers as recipients of predefined custom SMS texts. Two icons are shown in your launcher: [5] and [0]. The [5] icon is used to send a custom message which normally gives a heads up about something 5-10 minutes in advance.

It's free of charge to get the installer of AutoPager, also, you can check out users' reviews on Droid Informer. The app works fine on Android 4.1 and higher. It's safe to download this application. Matt Farley is the developer of the tool which can be found in the Productivity category.

AutoPager has been downloaded and installed by over 100 users and its most recent release is dated May 29, 2017. Users rated the app 5 on Google Play.