Avast One: Antivirus, Security

Contains adsIn-app purchases
7.28M reviews
Content rating
PEGI 3
100M+
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Content rating
PEGI 3
In-App Purchases
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About this app

Protect against viruses & other types of malware with Avast One, our free All-in-one Mobile security app for Android. Trusted by hundreds of millions - much more than just antivirus protection. 

Avast One is your personal digital guardian; choose protection your way, for your life's online moments. 
 
Avast One
■ Avast Free Antivirus - Stay safer from viruses and other malware with award-winning (AV-Comparatives) security that’s free and easy-to-use
■ Scam Guardian - Stay safer from scams with expert help
■ Avast SecureLine VPN - Keep your online activities hidden from internet service providers, hackers, and advertisers with our private VPN
■ Avast Cleanup - Clean up your devices by getting rid of junk files like browser history, duplicate photos, and old contacts

Antivirus
■ Antivirus - Automatically scan for viruses and other kinds of malware, including spyware, Trojans, adware, ransomware, and more. Web, file, and app scanning provides complete mobile protection.
■ Mobile Security - Keep your device safer against viruses and malware with 24/7 protection
■ Hack Alert - Stay informed about password leaks 
■ Network Inspector (Wi-Fi Security) - Confidently connect to Wi-Fi anywhere. Stop hackers from accessing your personal data.
■ Virus Cleaner
■ File Scanner
■ Secure your device against phishing attacks from emails and infected websites

Scam Guardian
■ 24/7 AI-powered scam protection
■ Web Guard - Advanced AI tools to help keep you safe from hidden scams while browsing, banking, and shopping online. Scan and block malware-infected links, as well as Trojans, adware, and spyware (for privacy and safe web browsing, e.g. Chrome).
■ Avast Assistant - Think someone’s trying to scam you? Get answers quickly from Avast Assistant, your built-in AI partner

Scam Guardian Pro
■ Call Guard (Call Blocker) - Automatically blocks scam calls and labels if the call is a potential scam, spam, or a verified business
■ Safe SMS - AI-powered scam protection for every text message
■ Email Guard - We’ll keep your inbox safe by continuously monitoring your emails for anything suspicious

Avast SecureLine VPN
■ Protect your privacy
■ Keep your online activities hidden from internet service providers, hackers, and advertisers with our private VPN (Virtual Private Network)
■ Use the perfect location for whatever you’re doing 
■ Connect to over 100 locations worldwide, so you can enjoy what you’re doing more securely and privately. 
■ Watch shows and sports wherever you are more safely with streaming-optimized servers 

Avast Cleanup
■ Phone Cleaner - Clean up your devices by getting rid of junk files
■ Browser Cleaner - Get rid of junk files like browser history, temporary files, and cookies that can slow your phone down and compromise your privacy

This app uses Accessibility Service API to protect the visually impaired and other users against phishing attacks and malicious websites via Web Guard feature. 

Contacts: A particular subset of this permission group is required to access device accounts to enable “restore a pin” action as part of App Lock feature.  

Location: Allows Network Inspector feature to identify new networks and scan them for threats.
Mobile Scam protection with Call blocker, Email and SMS guard & Virus cleaner.
Updated on
Sep 29, 2026
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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

Ratings and reviews

6.76M reviews
Chris Ehrenzeller
August 23, 2026
I have been subscribed to Avast since 2018. On my mobile it is fine. However, when you changed to Avast One it completely messed up on my PC. According to my account, I don't have any subscriptions. Trying to get it to work is impossible. I have used chat and supply with no luck Chat goes around in circles and support just doesn't. I have spent hours over numerous days trying to get it to work on my PC. Ultimate, which I had before was fine Why change something which worked ? Very annoyed now.
7 people found this review helpful
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Avast Software
August 23, 2026
Hello Chris, Avast One did not change your existing subscription. Since your PC subscription is missing from your account, please contact our support team at https://support.avast.com so they can investigate your account and restore access. *Avast
Mad Mad
September 2, 2026
I was a long time happy user of Avast, not anymore: Deselecting "legitimate interest" in the data preferences menu that's recently been added doesn't do much; hundreds of individual vendors under "vendor preferences" stay selected and must be turned off one by one, with no real "reject all" button. Classic consent dark pattern, and ironic for a company selling itself on privacy. Further to this, there are scam ads on the app that when crossed off, take you to a page claiming you've been hacked.
19 people found this review helpful
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Avast Software
July 22, 2026
Hi, thank you for raising this concern about the data preference controls. We note your feedback about vendor settings and the lack of a convenient way to reject all. Please contact us at support.avast.com with screenshots so our team can review it. *Avast
James Pintar
September 8, 2026
I've never had so many breaches of accounts in all my life, than since getting this app! Something doesn't add up at all. They may have been good once upon a time but definitely not now, I've had to change passwords for multiple accounts due to hacks and breaches, and it's from Apps that are also on this phone, makes me wonder!!
1 person found this review helpful
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Avast Software
September 8, 2026
Hi James, we note your concern about multiple account breaches. Please contact us at support.avast.com with details of the affected accounts and any alerts you received so our team can help review what happened. *Avast

What’s new

• Avast Mobile Security has become the new Avast One, featuring a fresh and easier-to-use design
• Your subscription remains the same, so you can continue using everything as before
• Your new dashboard puts your most-used features front and center
• Choose the protection that fits you by mixing and matching plans