Best Free Android Antivirus Apps in 2021

Want to install the best antivirus apps to secure your android devices? It is highly recommended to install a robust antivirus on your devices. After all, the Android operating system is colloquial in the globe, thus several malicious virus threats can be a big target.

Best Android antivirus apps in 2021

In this article, Top 9 Best Android Antivirus apps are listed, check these out & choose accordingly!

Best Android Antivirus Apps: System Requirements, Pros & Cons

1. Avast Mobile Security

Avast Mobile Security

It has gained immense support and approval from the tech-giants out there from all over the globe. Avast Mobile Security possessing some robust characteristics in its free version including Firewall, anti-theft measure, and Call blocker giving an allowance of locking or wiping your Android device if it is lost. It has paid version previously, but now it is free, yet ads are supported in this security app. You can evade the ads by simply making a monthly payment or yearly premium. This is built premium feature ‘in-app locking’ plays a crucial role when your device will require a PIN before opening any apps. Thus this mobile security provides you the malware prevention while launching apps such as internet banking.

  • Availability: Android, Windows, iOs
  • Price: FREE
  • Requirements of System: Google Android  5.0 or higher


  • Call blocking facility.
  • Superb anti-theft feature.
  • Firewall feature available.
  • The Premium version is inexpensive.


  • Supported by ads.
  • Call-blocking does not work properly.

2. AVG


Being the most popular and featured-pack security app, AVG antivirus for Android establishes its journey of reputation and thus set up a shield on your tablet, smartphone devices from spyware, viruses, snoops, and thieves. Despite that, the Wi-Fi security scanner, photo vault, and app lock keep sustaining an extra layer of security on your android devices. Some impeccable features of this anti-virus such as performance enhancement, which kills turning off battery-draining settings, removing junk files, delete unnecessary processes.

Well, if your phone has been stolen you can emit a siren and apart from that if someone is trying to unlock your device, just after three unsuccessful attempts, it could take selfies of that anonymous person and email to you. Plus recording audio is it’s another strong feature. The additional hefty features include the capability to lock down your phone if that anonymous person tries to wipe out your phone memory, SD card, and even try to change the SIM card.

  • Availability: Mac OS, Android, Windows
  • Price: FREE
  • System Requirements: Google Android 5.0 or more


  • A profusion of features available.
  • Robust anti-theft security.
  • Additional privacy setting.


  • Light issue while installing.

3. Bitdefender Antivirus Free

Bitdefender Antivirus Free

Being a free antivirus program, Bitdefender is a renowned name in the security circle. The extremely lightweight app does not ruin your battery life and helps to free up the system. The profusion of immense features such as automatically scanned new-downloaded apps, no further configuration required as soon as it is getting installed is the signs of a well-known antivirus like Bitdefender. Well, this would be the free version of Bitdefender and if you require extra security, Bitdefender provides you 14 days of trial after signing up. This premium feature includes anti-theft features and real-time protection for the Google Chrome browser which requires $15 per year. WearOn Technology provides an immense layer of security to your smartwatch so that you leave your phone behind.

  • Availability: Mac OS, Android, Windows
  • Price: $15/ year
  • System Requirements: Google Android 5.0 or more


  • Less impact on your OS.
  • Easy set-up.
  • Powerful protection.
  • Easy installation in seconds.


  • Virus scans must be scheduled.
  • Malware detection is not perfect enough.

4. McAfee Security and Power Booster Free

McAfee Security and Power Booster Free

When it comes to the best antivirus app for Android, McAfee security is a well-known name. It is not only virus protection but also a robust app that goes perfectly with both Android and Windows. McAfee provides immense security from the latest threats of viruses, ransomware, spyware, Malware, and more unwanted programs. As far as more robust features and benefits are concerned, McAfee does not disappoint you while giving Award-winning Anti-virus protection, Cross-device protection, Performance Optimization, Safe web browsing, Safe Family, and Free Customer Support.  It can scan apps just to check any private information being leaked or not. McAfee blocks the malicious websites that could harm your device and allow you to maintain a blocklist of nuisance texters and callers.

  • Availability: Android, Windows, Mac OS
  • Price: McAfee Total Protection (1-year subscription) & $54.99 (Protection for 10 devices)
  • System Requirements: Google Android 5.0 or above


  • Superior anti-theft features.
  • Extensive data-leakage protection.
  • Cross-device protection.


  • Supported by ads.
  • Malware protection is so-so type.
  • Premium requires a bit more money.

5. Kaspersky Mobile Antivirus

Kaspersky Mobile Antivirus

Kaspersky Mobile Antivirus getting a positive response due to blocking several malicious sites and tackles of sniffing out malware, viruses with high assuredness. With its free version, 99.9% of virus detection can be done according to AV-Test’s trials from 2017. Advanced security of Kaspersky protects your phone and tablet, block suspicious sites, anti-theft tools to secure your data, establish control access to specific apps, and combat new threats by using Machine Learning. As far as Features and benefits are concerned, Anti-spyware, Anti-theft protection, advanced security protection gives you all-round security. Visit to see the various pricing plans and upgrade to a premium plan.

  • Availability: Android, Windows
  • System Requirements: Google Android 4.2 or above


  • 1 Device 1 year ($11.99)
  • 1 Device 2 Years ($23.99)
  • 2 Devices 1 year ($15.59)
  • 2 Devices 2 Years ($31.19)


  • Superfast malware detection.
  • Blocks malicious websites.
  • No ads in the free version.


  • You will get a few features in its non-paid version.
  • Lack of auto-scan of new apps in free versions.

6. Sophos Free Antivirus and Security

Sophos Free Antivirus and Security

Sophos had been awarded as best antivirus protection in 2015. Both the free and premium version consists of various features such as Real-time Antivirus, Web Protection, Predictive Artificial Intelligence Threat detection, Parental Website Filtering, Ransomware Security, Privacy and Identity Protection and a lot more. One of the benefits Sophos does not produce any unwanted adverts and thus providing you hassle-free browsing experience. The installed apps are scheduled to scan weekly and it will give you red-alerts if they leak any protective sensitive information. One of the biggest advantages includes to establish secure Wi-Fi connections it is required a handy QR code scanner.

  • Availability: Android, Windows, Mac OS
  • System Requirement: Google Android 5.0 and up


  • $0 FREE
  • $23 for 1 Year (Premium)
  • $47 for 2 Years (Premium)



  • Robust virus and malware protection.
  • No Adverts.
  • Good authenticator for 2FA duties


  • The link checker does not work properly.
  • The battery runs down quickly.

7. Norton Security and Antivirus

Norton Security and Antivirus

Norton Security is the second name which is offering superior security for your smartphones and tablets. 100% malware and virus detection are benchmarked by Norton a few months ago. Being a top-notch mobile security app provides you award-winning protection for your mobile devices. The scanner detects the viruses and malware threats inside the files and apps, then abandon them automatically. Other robust characteristic includes the capability to lock your phone if the SIM card is removed or via an SMS message. For premium security, Norton mobile security can be tried which possesses additional features includes blocking harmful websites and SafeWeb Filtering.

  • Availability: Android, Windows, Mac OS
  • Price: FREE
  • System Requirements: Google Android 5.0 and up


  • Outstanding antivirus capabilities.
  • Locking a phone can be done once a SIM card is removed.


  • No harmful sites blocking.

8. Trend Micro Mobile Security and Antivirus

Trend Micro Mobile Security and Antivirus

Trend Micro not only allows scanning of newly installed apps for spyware and malware but also restrains new apps from accessing other programs. The stunning security with parental control features provides you with keeping an eye on your children surfing activity. The in-built privacy scanner for Facebook warns you if any discrepancy found such as displaying some personal information. Both the paid and non-paid versions having various features include a malware restrainer which is susceptible to scanning apps to evade any potential infection. Safe browsing activity and call and text filtering scope are provided to you for better utilities.

  • Availability: Android, iOs
  • Price: FREE
  • System Requirements: Google Android 4.1 and up


  • Robust security for your android devices.
  • Privacy Scanner for Facebook.


  • Protection in smartphones only.

Final Words:

All of those antiviruses are considered to be the best, well, some of them possess good Malware and spyware protection and anti-theft policy while another having some other criteria to protect your android device from any threaten site for free. So, what are you waiting for?  Run and grab your Android antivirus apps that fit in your requirements and download the best as per your preferences and get pleasant surfing activity without any hassle.

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