Mr. Number is an app to help protect you against annoying unwanted calls as well as identifying and stopping various types of scam, spam or fraud calls.

Even registering with the DoNotCall list is not 100% so take matters into your own hands and add another layer of protection aginst annoying and at times harassing calls.

You can also look up unknown numbers that usually have a spammer or scammer on the other end. Mr. Number can assist to block calls and SMS texts from one person, area code or the entire world if you choose (Android 4.4/KitKat or later not supported). It will also help stop telemarketers and debt collectors in their tracks before wasting your time, or you can actively intercept calls from private/unknown numbers and simply hang up or send them to voicemail (Android 5.0 or later not supported).

Mr. Number has a community of like-minded users that all have the ability to report spam calls and SMS texts warning other users with details of their experience. It also an automatic caller lookup for all numbers in your phone's history, so you'll be forewarned on who to block.