Avast Premium Security Multi-Device is Avast’s most powerful, comprehensive protection for all your and your family’s devices (Up to 10) – Windows PC, Mac, Android & iOS. Windows: The world’s largest threat-detection network, cloud-based artificial intelligence, and light-speed behavioral analysis put our Windows antivirus above all others. Mac: Our custom-built Mac security blocks malware, malicious websites, and unsafe email attachments in real-time, and even warns of threats to your home network. Android: Our feature-packed Android app includes anti-malware protection, an Unlimited VPN for secure Wi-Fi browsing anywhere, remote anti-theft controls, and so much more. iPhone & iPad: Our iOS app packs an Unlimited VPN for secure Wi-Fi browsing anywhere, an encrypted vault for unlimited private photos, and Identity Guard to detect leaked passwords and protect your identity.