Best Free Antivirus Apps for Android 2021

Are you on the lookout for the best free antivirus app for your Android device? These days, there is no doubt that smartphones have continued to become a part of our personal lives. In fact, it seems that we can no longer live without them. They serve more than the purpose of communication. Smartphones are also used to store highly sensitive information. The question now is: Is it really safe to store personal and private data on your phone in this time where constant threats and data breaches are common?

Short of Time? See Our Top 2 for June, 2021

  1. Bitdefender Mobile Security
  2. Norton Mobile Security

Android is considered as among the most widely used and common operating systems these days. Since Android is open-source, experts and developers tend to work with it, operating it on new smartphones and tablets. This platform is also an amazing option as it is adaptable to any device and easy to customize. The challenge, however, is that it is difficult to remove vulnerabilities when most are altered. The main advantage of using Android can also turn out to be its disadvantage. Since it is open, it does not just allow for easy customization but also allows for a number of opportunities for cybercriminals. With this in mind, it is very important to choose the best and the most secure antivirus apps for Android.

Advantages of Installing an Antivirus Android App

Protection Real-Time

The real-time protection feature of antivirus is very important when dealing with modern malware. The reason for this is because they continue to grow at an unstoppable rate. Thus, the capacity to recognize and fix them right at the moment when they can potentially affect your device is very important.

Robust Protection to Web Activities

With the increase in internet use, more and more threats are being introduced these days. They have an influence on data security among Android services. Reliable antivirus software will take control of your activities on the web, limiting the access that is unauthorized from any threat online.

Safe Downloads

Downloading files from the internet is one of the common reasons for malware intrusion. In order to protect your device, install antivirus software that ensures safety during downloads.

Regular Scans on the Device

Despite protection offers from antivirus software, new malware may enter into your Android device. As such, having a regular scan for malware is recommended.

Battery Life Optimization

An antivirus software enables you to verify the use of your application in real-time. Aside from that, it also notifies you of the occupied space, allowing you to stop a certain application process from consuming the battery and performance of your device.

Possible Impact on Your System

Too Much RAM Use

An antivirus app for your Android device can lead to the tendency of consuming too much disk space. This is primarily due to its common huge size.

Too Much Battery Consumption

Having an antivirus on your phone may require more power for running on your device. As such, you may expect your battery is draining more quickly than expected. This is one thing that needs to be taken into consideration, as an app like this will have some barter.

Lower Speed of Processing

An antivirus software tool added to your device is huge. As such, it is expected to occupy much space on the disk. This results in the loading time slowing down on your device. Still, it barters the level of protection that it offers to your phone.

The Best Free Antivirus Apps for Android 2021

Bitdefender Mobile Security

Bitdefender is one of the strongest competitors in this game. Its free antivirus software is amazingly lightweight. It does not operate on the background, thus freeing up resources in the system, and saving you battery life and storage space. This software uses an in-cloud scanning technology, which ensures lightning-fast capabilities in scanning. For this reason, the app does not affect the speed of your device while also improving the battery life of your device at the same time.

→ Try BitDefender

Even though most apps out there market on being an all-in-one solution for mobile security, some actually included unnecessary features that you may not really find helpful. When you require an easy-to-use and basic antivirus software for your Android device, there is no doubt that Bitdefender is a good choice. This app interestingly combines together a number of good security features. For one, it features an enhanced malware scanner anti-theft, account privacy features, and even an app lock, which enables you to lock specific apps.

You can also opt to extend the features of this antivirus so that it can also provide protection to your Android-based wearables. As a bonus, it also comes with a VPN service. This software also scans new applications as you download it from your Android phone. One of the benefits of doing so is that the software can instantly work right after installation. There is no need for you to have additional control.

Norton Mobile Security

Norton Mobile security is another leading data protection solution in the industry. Its antivirus software features a generous and truly unique offer for you. A single paid subscription can provide protection of up to 10 Android devices. Every device comes with full protection. The app also offers a full detection rate, removing malware, spyware, as well as other Android viruses, which have the tendency to slow down the system of your device. Another benefit that is worth your consideration is its fast scan, which only takes about 10 seconds.

→ Try Norton Security

Some other security features also include saving device location, real-time protection, anti-theft features, and several others. The company also features other apps that are available on the Play Store for free. This includes the password manager and a dedicated app locker. All in all, this antivirus app is among the most dependable applications out there.


Your Android device is constantly threatened by malware and viruses, especially when you don’t have a second level of protection used. A reliable Android antivirus is of the utmost importance if you’re looking for security and data privacy when using your phone. You can even install one for free. We’ve tried to compare some of the most popular Android-enabled antivirus tools, and we hope that you’ll be able to find the best solution for your needs.



How can malware and viruses infect my device?

There are different ways in which an Android device can easily become infected with viruses, spyware, and malware. It can happen when you are downloading infected software, opening email attachments, connecting or inserting an infective disk or drive, and visiting questionable websites and links.

What are other features commonly offered by antivirus apps?

Most new antivirus apps come with extra features. This may include anti-theft features, call, and text blocking, device clean up, and app lockers.

Is it really needed to have an antivirus app on my Android device?

Well, it is not mandatory to have an antivirus app on your Android device. Another thing that should be considered is that adding one may affect the resources of your phone, including battery life. Still, it is needed if you want to provide protection to your information.
Author: Mark Bruno
Mark Bruno is not your typical computer geek. He has a degree in law and criminology, and always had a need for justice. Seeing how everything is getting digitalized, he decided to master cyber-security and virus protection with led him to join the LossOfPrivacy team.