Nowadays, an increasing number of unwanted calls from telemarketing agencies or scammers has been a real problem. If you have been receiving those worthless robocalls with neither your phone’s built-in call blocking feature nor FTC’s Do Not Call Registry being able to help, you can use one of the third-party robocall blocker apps to block any spam calls. These robocall blocker apps can filter unwanted calls and also help us to recognize spam numbers.
This article is to introduce 5 effective and trustworthy robocall blocker apps for iPhone and Android. Not all are free, but you are able to have a trial use first.