The Best Security Apps for Android

best security app

by Alex Gustman

Updated: March 11, 2022

Most smartphones and tablets contain various system vulnerabilities. It allows attackers to hack your device and install spyware or malware remotely. In this article, you will find the best Android security app that helps you identify system vulnerabilities and eliminate unwanted software.

Avira Security Antivirus & VPN

Key features:

  • virus scanning
  • software junk cleaning
  • VPN
  • personal data protection
  • lost or stolen phone locator
  • camera and microphone protector
  • application blocker
  • network scanner
  • privacy advisor.

Pricing: free of charge. Annual subscription PRO – 7 USD, PRIME – 20 USD.

Android version required: 6.0.

Installation space required: 132 Mb.

RAM usage: 201 Mb.

Application version: 7.10.1.

Latest update: December 2, 2021.

Avira Security Antivirus & VPN is a comprehensive antivirus application. With a one-touch intelligent scan, it scans your system and displays a current summary of detected threats or security problems.

In addition to finding and removing malware, the app has useful tools to protect your privacy:

  • Web protection. Blocking malicious and unwanted sites.
  • Protection against theft. Mobile device location tracking with remote blocking and data clearing.
  • Identity protection. Email address verification for hacking.
  • VPN. Privacy-free web browsing.
  • Microphone and camera security. Controls apps with microphone and camera access.
  • Network scanner. Wi-Fi network scanner to detect devices with unauthorized access.
  • Permissions management. Guide you to applications with restricted or excessive permissions.
  • Block apps. Set a password for installed applications.
  • Password manager. Automatic creation and saving of account passwords.
  • The optimizer. Cleanup of software and applications from the main memory.

The settings section allows you to set your preferred scanning, notification, and privacy settings.

Avira Security Antivirus & VPN is free and does not contain ads. At the same time, access to the web protection, camera and microphone protection, and password manager features is only available with a PRO subscription. The annual subscription costs 7 USD. PRIME subscription, which includes additional unlimited traffic when using VPN, costs 20 USD a year.

Avira Security Antivirus

Main advantages:

  • No ads.
  • Anti-virus protection.
  • Privacy protection features.
  • VPN.
  • Remote search and blocking of lost or stolen devices.
  • Wi-Fi network security checks.
  • Setting up an anti-virus scanning schedule.

Main disadvantages:

  • Some features are available only after a paid subscription.
  • Limited traffic when using VPN.
  • Few useful settings.


Avira Security Antivirus & VPN provides antivirus protection and privacy protection. The app consumes a minimum of system resources and runs smoothly on low-power devices. However, four features are not available with a basic subscription, and the VPN has traffic limitations. A one-year PRO or PRIME subscription is required to unlock all features.

Download Avira Security Antivirus & VPN from Google Play

Zoner AntiVirus

Key features:

  • antivirus
  • permission checking
  • encrypted message exchange.

Pricing: free with no ads. The charge for accessing the ad detection feature is 1.11 USD.

Android version required: 4.0.

Installation space required: 43 Mb.

RAM usage: 174 Mb.

Application version: 1.15.5.

Latest update: November 26, 2019.

Zoner AntiVirus is an antivirus application that checks the security of your device. The list of tracked threats includes “USB debugging status” and “installing applications from unverified sources.” Customizable time and date of the system scan are also available.

The “permissions” function allows a detailed review of permissions granted to applications. Besides, a detailed description of actions and possible threats is available.

There is a “secure message” function for exchanging encrypted messages. For each message, an encryption code known only to the sender and the recipient is set, which ensures the safety of correspondence.

Settings are represented by the system check parameters and notification of insecure Wi-Fi connection.

The application is free and does not contain ads. At the same time, the basic version does not have the “Ads Detection” feature, which allows you to detect installed applications with ads. The cost to unlock the feature is 1.11 USD.

Zoner app

Main advantages:

  • No ads.
  • Anti-virus protection.
  • Message encryption.
  • View your permissions for applications.
  • Low system requirements for installation and system resource consumption.

Main disadvantages:

  • A long absence of updates.
  • Low functionality.


Zoner AntiVirus is an undemanding antivirus for resources and Android version. Therefore, the application is suitable for running on low-powered devices or with an outdated version of the system. At the same time, it is inferior to other competitors in the number of features and has not been updated since the end of 2019.

Download Zoner AntiVirus from Google Play

Firewall No Root

Key features:

  • setting up application access to the Internet
  • event log.

Pricing: free.

Android version required: 5.0.

Installation space required: – Mb.

RAM usage: – Mb.

Application version: 4.0.2.

Latest update: January 20, 2020.

Firewall No Root allows you to configure global and individual application access to the Internet. For example, you can deny all applications to use mobile or Wi-Fi Internet with a single tap or specify which application is allowed to use any network and which application to use only Wi-Fi or mobile Internet. There is also an event log to track the network access of each application.

The application is free, with no ads, subscriptions, or purchases of individual modules.

There are no settings. Filters can be imported and exported.

Main advantages:

  • Setting up individual and global application access to the Internet.
  • Import and export filters.
  • Event log.
  • Free access.

Main disadvantages:

  • Unattractive interface.


Firewall No Root will block network access to any selected application. And a detailed event log will track the applications with the most frequent access to the network. The application is easy to use, free of charge, and ad-free.

Download Firewall No Root from Google Play


Key features:

  • monitor application network activity
  • create a data plan to control and distribute traffic
  • configure application access to the Internet.

Pricing: free with no ads. In-app purchases is costed 1-9.9 USD per item.

Android version required: 6.0.

Installation space required: 13 Mb.

RAM usage: up to 256 Mb.

Application version: 3.0.377r.

Latest update: November 3, 2021.

GlassWire allows you to monitor the network activity of your applications. All traffic consumed by applications is displayed in a user-friendly way. Sorting by network type and displaying the traffic consumed over a specific period is available. GlassWire also notifies each time applications to access the network.

The built-in firewall allows you to restrict access to the Internet for a certain application. It is also available to create profiles with a customizable list of applications without access to the Internet. This option is only available with a paid subscription.

There is an option “tariff plan” for tracking consumed and remaining traffic. The function helps you distribute the traffic for a period specified in the settings, taking into account the transfer of unused traffic to a new period or additional bonuses. It supports setting warnings when the limit is reached, or the set limit is exceeded.

There are no significant settings in the application. Changing the graphical layout is supported. Themes, as well as all other functionality, are available after a paid subscription.

GlassWire app

Main advantages:

  • Tracking application activity.
  • Configuring application access to the Internet
  • Creation of a tariff plan.
  • No ads.
  • Change graphic design.

Main disadvantages:

  • Some features are not available without a paid subscription.


GlassWire allows you to track the traffic consumed by applications in a user-friendly way. Limit application traffic consumption and distribute the available traffic to a specific period. You must purchase a paid subscription to access certain features.

Download GlassWire from Google Play


In this article, you will find the best security application for Android. Comprehensive antiviruses contain useful tools to identify system vulnerabilities, eliminate unwanted software, and protect the owner’s privacy. Traffic-monitoring apps can identify and limit the programs with the most frequent network access, as well as distribute traffic over a specific period. It’s also important to remember to install security patches when updates are available, and not give unnecessary permissions to applications.

What security applications do you use? Write their names in the comments.

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About the author 

Alex Gustman

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