It's free of charge to get the installation package of AMBER Alert, also, you can read users' reviews on Droid Informer. The app works fine on Android 4.4 and above. The download of this application doesn't contain viruses or any kind of malware. Netpresenter is the official developer of AMBER Alert which can be found in the Social tools category.
Over 100K users downloaded and installed the app and the latest release was on Jan 24, 2019. People rated this application 4.3 on Google Play. Samsung and Archos users like AMBER Alert.