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.

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Source: https://play.google.com/store/apps/details?id=com.avast.android.mobilesecurity