Mr. Number is a dialer that offers a range of features to help users block unwanted calls and identify and stop spam, scam, and fraud. With this app, users can put names to numbers when dialing out, block calls from one person, area code, or an entire country, and stop telemarketers and debt collectors before they waste their time. The app also intercepts calls from private or unknown numbers and sends them to voicemail. Users can report spam calls to warn other users and benefit from automatic caller lookup for recent calls in their phone's history, so they know who to block.

According to PCMag, Mr. Number is one of the 100 best Android apps, and The New York Times has recognized it as one of the most popular. The app has also won the Appy Award for Best Communications App. With Mr. Number, users can block calls from people, businesses, and hidden numbers. They can browse comments from other users when they receive a spam call and automatically block potential fraud and suspected spam calls.

Overall, Mr. Number is the most powerful call blocker on the market, offering a range of features to help users manage their calls and protect themselves from unwanted calls and scams. With its user-friendly interface and advanced features, Mr. Number is an essential app for anyone looking to take control of their phone calls and protect their privacy.