15 Best Free Call Blocker App For Android & iOS 2023 | Tried & Tested

Smartphones have attracted a lot of spam calls and messages that really disturb privacy. It has become a serious problem all across the globe.

Do you know 56 million (22%) of US residents have lost money due to spam calling in 2021 and 43 million (17%) in 2019? Now, this is quite threatening as well.

This needs to stop and be blocked so you receive only concerned calls serving your purpose naturally. And if you are wondering how to, then take notes of these below-mentioned applications.

With the best free call blocker app, you can smartly block and avoid spam and fraudulent messages as well as robocalls? Have a look here.

Best free call blocker app for Android & iOS

Try this call blocker app and save time, money, and protect your personal identity.

1. Truecaller

Truecaller is one of the best free spam call blocker application. It not only blocks the number but also identifies the information of the caller.

Here, you can find details like- name of the registered person, his professional community, and residential location.

It is trusted by more than 50 crore users worldwide helping you in managing the calls and messages and filtering the unwanted disturbances.

Exceptionally, it is open to make and receive UPI payments. The transactions are safe and secure, offer a 24*7 support system with a great security level.

Notable Features:

  • Chat, calls, and SMS in one place
  • Keeps your inbox organized and spam-free
  • Dark mode theme is available

Available: Android | iOS

2. Hiya

Hiya is one of the most powerful and best free call blockers that enables fraud detection and block spam calls easily. This call blocker app is free from advertisements and has a reverse phone number lookup.

Here you have spam detection option that gives you real-time insight on who is calling. It has 10,000,000+ installation that shows the trust of users for Hiya.

Notable Features:

  • Protection against spam & spoof calls
  • Lock up numbers in the smart dial
  • Virus protection & security

Available: Android | iOS

3. Mr. Number

Mr. Number is a Caller ID & Spam Protection Application that makes it easy to block and stop the spam automatically.

New York Times has announced that “Mr. Number is one of the most popular applications.” It has received Appy Award for “Best Communication App”.

Thus, if you use this call blocker and SMS blocker, no longer telemarketers and debt collectors will disturb you.

Almost 10,000,000+ users have installed this application.

Notable Features:

  • You can send voicemail and intercept calls from unknown no.
  • Comprehensive nuisance call protection
  • Smart dialer to look up the contact number

Available: Android | iOS

4. Call Control

Call Control is one of the best free call blocker app and Spam Text Stopper application. It comes with advanced technology and a smart dial where you can block the ‘potential spam calls’.

Yes, you can have full security with call control to easily add the contact number to the block list.

It has a community of over 12 million users with a 4.4-star rating enhancing the trust to a greater extend.

Notable Features:

  • Wildcard blocking support
  • Local backups
  • Easy to schedule the DO Not Disturb Mode

Available: Android | iOS

5. Root call blocker

Root call blocker is one of the preferable applications for blocking the unwanted and undesirable outgoing and incoming calls and messages.

It makes you selectively antisocial where you respond to the calls you may want to. Thus, evade pesky, annoyed, and prank calls with direct access to your phone.

Do you know you can enable auto-replies when any blocked contact tries to reach out to you? This is how you can live a peaceful life without getting disturbed by fake calls.

Notable Features

  • You can customize the notifications with ringtone, LED colors, and vibration
  • Easily block the MMS and reject the restricted numbers
  • Encrypted Back-ups
  • Securely import the large contact files into CSV format

Available: Android

6. Whoscall

Whoscall is highly regarded as one of the best and free android call blocker application.

It ensures a secure and trustworthy environment to make and receive calls without affecting privacy. More than 70 million users are using this application.

Notable features:

  • Auto-update and ad-free
  • In-built dialer

Available: Android

7. Norton Mobile Security

Norton Mobile Security is an anti-virus and anti-malware application that offers a wide range of phone security services.

Besides being a call blocking application, it also provides top-notch solutions to maintain every aspect of security.

However, you will require a subscription to have access to this best spam blocker for android and iOS.

Notable Features:

  • Automatically block the prank calls
  • Offers web protection & surveillance
  • Flag the unsafe sites for safe search
  • Send notification if your Wi-Fi is detected under attack

Available: Android | iOS

8.  Should I Answer?

Get rid of unsolicited calls and messages with the Should I Answer application. It is completely free, safe, and secure. It provides you all the essential information required for receiving any unknown call.

Here, ratings are given to each category of a call so you can easily identify who’s on the other side. The categorical calls are classified into – scammers, telemarketers, and unwanted calls. So whenever, any unknown person calls you, the ratings themselves speak who it is.

This is the best free call blocker app for android 6.0 and up. It ensures protection even when you are offline and that’s the best part of this application.

Notable Features:

  • You can select the level of protection you want
  • Easy to use for every level of user
  • It has a fully functional dialer for complete call history

Available: Android

9. YouMail

YouMail is one of the instrumental application for visual Voicemail, Spam & Robocall Blocker. It can safely and securely block the phone calls against any undesirable attack.

This is the trusted application by over 10 million users for answering a plethora of calls with the finest security.

With this call blocker free blacklist application, you can send the custom greeting messages to your multiple contacts.

Besides that, it can save large information on voicemail with the utmost ease.

Notable Features:

  • Keeps your voicemail inbox clean and organized
  • Facilitates with an automated text replies
  • Easy to host the conferences
  • Works professionally for individuals and entrepreneurs

Available: Android | iOS

10. Sync. Me

Sync.Me is a free call blocker app ideally designed as the Caller ID, Spam Call Blocker & Contacts security.

This app is trusted by 20 million + users all across the globe. Along with that, TechCrunch has titled Sync.Me as “The App That Turns You into a God”.

It has a reverse phone lookup option and can create a blacklist of own. Know who is at the top of your block list just with a simple search option.

Notable Features:

  • Sync the contacts with a profile picture
  • A smarter call log is available
  • You can merge the duplicate calls
  • Record the calls and provide seamless backup

Available: Android | iOS

11. CallHound

Have you ever heard of an application that allows you to create your own rules?

Well, CallHound is one of them.

It is one of the best free call blocker app for iOS where you can not only block the contacts but also create the rules to block someone.

This app gives the title of ‘unwanted’ when you create specific rules for unwanted and spam calls. So, if you want your own app, hire developers with the skillset of iOS App Development.

Notable Features:

  • Easy to block the numbers at any point in time
  • Protects from spammers, and advertisers, and strangers
  • You can pair up social media accounts to backup
  • Does not require any internet connection as well

Available: iOS

12. Calls Blacklist

Calls Blacklist is the best free call blocker app for android 2020 that enable spam blocking with quick and easy steps. It is very much easy to use and quite light-weighted by nature.

So if you are tired of robocalls and spammers, go for Calls Blacklist. It comes with an in-built messenger to block anyone from messaging you.

It has almost 10,000,000+ user installation. People find this application as a one-stop solution when their number gets shared with the insurance company or banks.

That’s why it holds 4.4-star reviews expressing the satisfaction received through Calls Blacklist.

Notable Features:

  • It has a fully functional SMS messenger
  • Easy to disable and enable blocking
  • Save and import your backlist numbers to another device

Available: Android

13. CallApp

CallApp is the automatic call recorder, and spam blocker android application trusted by 85 million users all across the globe.

Along with that, you can customize the ringtones for video calling to notify what’s on your screen. It has an in-built analytical option to analyze the duration of calls, videos.

This application is declared as one of the leading Caller ID & Call Blocker App by Top Rated Tech Magazines.

Well, you can hire a developer for Android App Development services to create the best and most secure application for your business.

Notable Features:

  • You won’t find ads while using this app
  • Doesn’t sell data with the 3rd party organization
  • Allow incognito calls for businessman and entrepreneur

Available: Android

14. Nomorobo Robocall Blocking

Nomorobo Robocall Blocking is one of the most trusted iPhone spam filters that identify 1,500+ new rob callers every day.

Along with that, it blocks the annoying web ads and becomes the best free call blocker app by offering premium security options.

This spam filter iOS has been featured in The Wall Street Journal, Wired, The New York Times, CBS News, and others. It enhances the trust of users by protecting from 2,500,000+ phone scammers.

Notable Features:

  • Stops the spoofed robocalls
  • Offers real-time protection to your personal data
  • Blocks the annoying spam text, robocalls & telemarkets automatically

Available: iOS

15.  Avast Mobile Security

Avast Mobile Security is considered the most remarkable application to block numbers for the android platform. So if you have downloaded an app that is infected or malicious, you will receive an alert.

By downloading the Avast mobile security, you can protect your privacy standards. More than 100 million users have installed this application as a part of anti-virus protection.

Notable features:

  • Easy to lock your apps
  • You can hide your personal photos
  • Acts as a web shield & Junk cleaner
  • Remove the ads with premium option

Available: Android

The Conclusion

Here we have covered almost all the best free call blocker app for iOS and Android that ace the game in ensuring security from spam calls and texts.

These applications are downloaded by millions that helps you to block spam- anywhere, anytime. Explore all their best features and functions to lead a peaceful life away from robocalls.

We are a trusted Mobile App Development Company that builds premium and free call and text blocking apps for your business. Call Info Stans now for the best quote!

This app blocks unwanted calls and messages especially telemarketing and adds related calls.
Hiya, Avast Mobile Security, Truecaller, and Mr Number are one of the best free call blocker apps for android.
It blocks, screens or rejects the call from a particular number identifying as spam or unwanted telecaller.

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