Avast Antivirus & Security

Contains adsIn-app purchases
7.08M reviews
Content rating
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About this app

Protect against viruses & other types of malware with Avast Mobile Security, our free antivirus app for Android. Trusted by over 435 million people.

Protect your privacy by receiving alerts when spyware or adware-infected apps are downloaded onto your device. Secure your device against phishing attacks from emails and infected websites. Turn on the VPN to keep your online browsing private and safe, as well as to access your favorite paid streaming services when traveling abroad. Get alerts when your passwords have been compromised by hackers. Avoid scams with advanced scans and alerts.

With more than 100 million installs, Avast Mobile Security & Antivirus provides much more than just antivirus protection.

Free features:

✔ Antivirus Engine
✔ Hack Check
✔ Photo Vault
✔ File scanner
✔ Privacy Permissions
✔ RAM Boost
✔ Junk Cleaner
✔ Web Shield
✔ Wi-Fi Security
✔ App Insights
✔ Virus Cleaner
✔ Mobile Security
✔ Wi-Fi Speed Test

Premium features for advanced protection:

Scam Protection: Protect yourself from scammers with advanced security features and smart alerts.
App Lock: Keep your sensitive content secure and private by locking any app with a PIN code, pattern, or fingerprint password. Only you’ll be able to access them.
Remove Ads: Eliminate ads from your Avast Mobile Security & Antivirus experience.
Avast Direct Support: Contact Avast directly from the app to receive quick responses to your inquiries.

Finally, Ultimate users can enjoy our VPN (Virtual Private Network) as well - Hide your online activities from hackers and your ISP by encrypting your connection. You can also change your location to access your favorite paid streaming services from anywhere.

Avast Mobile Security & Antivirus in detail

Antivirus Engine: Automatically scan for viruses and other kinds of malware, including spyware, Trojans, and more. Web, file, and app scanning provides complete mobile protection.
App Insights: Discover how much time you spend using each app on your device and take back control of your phone-life balance.
Junk Cleaner: Instantly clean out unnecessary data, junk files, system caches, gallery thumbnails, installation files, and residual files to give you more space.
Photo Vault: Secure your photos with a PIN code, pattern, or fingerprint password. After moving photos to the Vault, they are fully encrypted and only accessible to you.
Web Shield: Scan and block malware-infected links, as well as Trojans, adware, and spyware (for privacy and safe web browsing, e.g. Chrome).
Wi-Fi Security: Check the security of public Wi-Fi networks, browse safely, and make secure online payments from anywhere.
Hack Alerts: See which of your passwords have been leaked with a quick and simple scan, so you can update your login credentials before hackers infiltrate your accounts.

This app uses the Device Administrator permission. This permission allows you to remotely lock and wipe your device from my.avast.com.

This app uses the Accessibility permission to protect visually impaired and other users against phishing attacks and malicious websites.
Updated on
Jan 30, 2023

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
App activity, App info and performance, and Device or other IDs
This app may collect these data types
Location, Personal info and 7 others
Data is encrypted in transit
You can request that data be deleted
7.08M reviews
Hunter Maddux
December 29, 2022
Excellent and friendly service! Wanted to get a refund because I had auto renewal on when the trial ended and accidentally paid for the subscription for whole year. So I contacted them through live chat and in minutes they ended up cutting me a deal. I ended up only paying 19 bucks for the service and got the rest of my money back. I could of got all my money back, but I really do enjoy using there services. Before using there services my PC was runnin slow, but now it acts great with no issues.
346 people found this review helpful
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Avast Software
December 15, 2022
Glad we could help, thanks for sharing your story! David*Avast
Christopher Eddy
January 12, 2023
Generally the app is easy to use. Until recently, I hadn't had any issues. Currently when using the app, it says not connected to wifi, even though I actually am. Even turned mobile data off, but always says wifi not connected. Won't scan network, test speed, etc. Latest update is when I noticed it.
46 people found this review helpful
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Avast Software
January 12, 2023
Hi Christopher, thanks, glad to hear you like our application. What would you recommend us to improve to get the maximum rating (5 stars)? Thanks for any suggestions, David*Avast
Katrina Vigil-Gigliotti
December 29, 2022
I've used pretty much all of the most popular antivirus software on the market. Avast is my go-to. Excellent customer service. Excellent ease of use. Intuitive interfaces. You get more features for the money (if you go that route) than competitors and it doesn't slow down your hardware. The cleanup program they offer actually keeps my laptop and phone running smooth. Couldn't recommend a better antivirus.
9 people found this review helpful
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Avast Software
January 2, 2023
Thank you so much for choosing our software over others. We really appreciate it. David* Avast

What's new

* Regular fixes – Just the usual improvements and bug fixes to keep everything working smoothly.