About this app
Protect against viruses & other types of malware with Avast Mobile Security, our free antivirus app for Android. Trusted by hundreds of millions.
✔ NEW! Scam Guardian Pro: 24/7 AI-powered scam protection
■ Call Guard: 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
■ Avast Assistant: Get answers in real time from Avast Assistant, your built-in AI partner
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. Our trusty Email Guard will monitor your email accounts for suspicious emails.
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
✔ Junk Cleaner
✔ Web Guard
✔ 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.
■ Email Guard: Your inbox will be continuously monitored for any suspicious emails, making your mailbox a safer place.
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: Browse your apps and see what permissions are requested in each individual app
■ Junk Cleaner: Instantly clean out unnecessary data, junk files, 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 Guard: 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.
■ Email Guard: We’ll keep your inbox safe by continuously monitoring your emails for anything suspicious.
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.
Editor's Take
Avast Antivirus & Security sits at 4.6 stars across 7.3 million ratings on Google Play, and is still building an audience.
That score is hard to fake on a utility app — it usually signals a tool that stays out of your way, does one thing well, and doesn't pepper you with upsells.
Avast Software is the publisher behind this release; we'd suggest taking a quick look at their other titles on Google Play if the style clicks with you. The last visible update lands 2026-01-30, which is a small but useful signal that the team is still shipping fixes rather than treating the app as abandoned.
Who This App Is For
A quick read on the audiences this app tends to click with, based on its category, content rating and track record on Google Play.
- Family-friendly playersContent is rated Everyone, so it's a safe pick for shared devices.
- Power usersBuilt for people who want a focused utility, not a feed.
- Quality-first downloadersConsistently high ratings make this a low-risk trial, even at full volume on a new device.
- Free-tier explorersFree on Google Play, so you can trial the loop before deciding if it earns space on your home screen.
At a Glance
thumb_up What stands out
- Consistent high ratingsA 4.6-star average across 7.3 million ratings is a strong quality signal.
- Free to try on Google PlayNo upfront cost, so you can confirm the loop clicks before committing time or in-app purchases.
- Actively maintainedLast visible update 2026-01-30, suggesting the team is still shipping fixes.
- Known publisherPublished by Avast Software — worth checking their catalogue for similar titles.
info Things to know
- Smaller user baseNiche community means fewer community guides — great for discovery, slower for help with edge cases.
- In-app purchases may applyFree-to-play economics are common in this category — open the Google Play listing to confirm the monetization model before committing.
- Check device compatibilityOlder devices or restricted regions sometimes filter out specific Google Play listings. Confirm on the official page before setting aside time.