Call Blocker is a free Android app developed by Appsbuyout Dev that helps you identify and block unwanted calls. With this app, you can get rid of spammers, telemarketers, and other unwanted calls. The app has a massive database of over one billion numbers that can identify calls from all over the world. You can choose whether to answer calls or instantly block them. The app also has a location-based "Do Not Disturb" feature that stops all calls while activated. You can select specific locations at which you want to avoid being disturbed, such as the library, work, or school.

The app has many features such as real-time caller ID, blacklisting, and whitelisting numbers, adding numbers to your contacts list, and easy access to settings where you can change functions to suit your needs. Call Blocker is simple and effective and the easy-to-use app can be downloaded today to never be bothered by spam calls again!