Call Blocker can reject undesirable calls automatically. If you have been irritated by spam calls from sales man, or if you want to reject calls from anyone, you can just add the number to blacklist and let Call Blocker carry out the activity. This application is light-weighted and stable, cost next to no memory and CPU assets.Call Blocker is a standout amongst the best applications to avoid undesirable calls or messages.*** Features *** Blacklist, add numbers to blacklist to block. Record logs of rejected numbers. Block Blacklist. Block unknown (Block calls that is not in contacts). phone call filter. One screen application. No unwanted call. Easy to understand. Easy to use. No information shared on public. It's totally FREE! No subscription necessary.