Call blocker app can reject unwanted calls automatically with busy sound. If robocalls are trying to disturb you just put the number in call blacklist then call blocker app does its job. This call blocker app is light-weight and stable, and it costs very little memory and CPU resources.
Get the setup package of Call Blocker & Blacklist 2.26 that is absolutely free of charge and check out users' reviews on Droid Informer. The app can be launched flawlessly on Android 4.1 and above. This application is totally safe for downloading. Call Blocker & Blacklist is designed by inzeru and its category is Communication.
Over 10K users downloaded and set up the app and its most recent update was on Jan 9, 2019. People rated this application 4 on Google Play. Adverts are a part of Call Blocker & Blacklist.
Users leave reviews saying that the advantage of the app is a nice interface.