Apps That Block Unknown Numbers

| Updated on February 25, 2025
Block numbers

You have probably faced the frustration of getting countless missed calls from random numbers, not knowing if they are necessary or just spam. 

According to last year’s data, there were 9.7 billion identified scam calls made across the globe, which have been recorded as a shocking phenomenon (Source: TOI, 2025).

Well, at this rate, it is no wonder that so many people are having trouble deciding if they should call back or ignore the ringing.

Thankfully, there are now applications that can block or identify unknown numbers, so you do not have to worry anymore. 

For example, the https://x-ray.contact/ service specialists can help their clients with all possible solutions and make sure that all needed information is kept as well. 

You may continue reading to learn about the various secure apps that can restore peace in your life, and drive away the constant annoying calls.

What Are Spam Calls?

Spam is a type of information in any format, which the user has not consented to receive. 

It includes not only phone calls, but also emails, messages, mailings, advertising brochures thrown into the letterbox, and much more.

The most common spam buzzes are:

  1. Promotional: This is a call from a company that offers goods or services that the subscriber has not searched for or ordered.

    We can also include here proposals to subscribe and participate in promotions, and discounts.

  1. Scammers: These are “classic” calls on behalf of a bank, police, or any other organization related to “security” or finance.

    The purpose of this is to obtain the personal information of the interlocutor and their payment data; these can also be messages about winnings.

  1. Automated: In this case, a robot contacts you, and the user hears an automated message, and this surely be advertising or fraud. 

    There are automatic systems available that allow you to make mass calls with regular repetition.

  1. Telemarketing: These are from “couch stores” that sell something over the phone. 

    Specially designed text “scripts” are used to persuade customers, the calls themselves are characterized by high frequency and intrusiveness.

  1. False emergencies: The caller reports a situation that poses a threat or problem that requires immediate resolution. 

    This can be a message about blocking an account, a card, a fine, a summons, a traffic accident, or an accident with a loved one.

  1. International numbers: Today, you can often see a strange long phone number on the screen of a smartphone, which begins with the code of another country. 

Calls in roaming can be expensive, they are usually paid for by the receiving party, and the money is automatically deducted from the subscriber’s account.

A person who is taken by surprise often loses his vigilance and does exactly what the scammers expect him to do. 

Therefore, to increase security, it is necessary to turn to apps that can ensure that incoming calls from unknown and unwanted numbers are blocked.

Take a look at the data chart below that shows the statistics considering phone spam and scams.

Statistics on Phone Spam and Scams

Apps That Can Help You Block Spam or Unknown Numbers

To keep yourself and your loved ones safe, you can try installing one of the following add-ons:

  1. YouMail: YouMail allows you to receive a personalized voicemail greeting that you set in this app.

    All you need to do is simply select the incoming number, choose their greeting and this software will begin greeting them warmly.

  1. RingCentral: It provides virtual numbers so that employees don’t use personal ones for business purposes. 

    Full internal service within the platform (unlimited calls, messages, fax, voicemail), verification of incoming number information, and international availability.

  1. TrueCaller: This app identifies the caller and alerts you about scammers, telemarketers, and other unwanted or unknown numbers.

    In fact, its Advanced Spam Detector automatically blocks unwanted calls and SMS, hence, protecting you from any sort of scams. 

  1. RoboKiller: It makes it possible to set different levels of severity for blocking spam rings.

It also uses patented technology and uses a specially developed prediction algorithm.

Each of these or other applications is characterized by a different set of added features. 

When choosing, you should focus on how accurately each add-on is able to recognize the data of an incoming call to exclude the blocking of necessary numbers.

Do You Know?
Brazil overtook India as the most spammed country in the world, and this year’s data shows that Brazil is still on top.

In Conclusion!!

A great number of people these days are constantly neglecting the importance of securing their privacy.

And no wonder, this is one of the main factors that contributes to the increase in confidence of spammers and spam rings.

That’s why this article has described some of the useful apps that not only identify unknown calls but also block them if suspected unsolicited. 

Therefore, if you don’t want to get stressed over –  if you should pick up the call or not, implement these applications ASAP.




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