Avast provides antivirus and broader security tools for computers and mobile devices. Its official product pages describe free antivirus protection alongside optional paid security, privacy, and performance tools.
Bitdefender provides antivirus and broader device-security products for Windows, macOS, Android, and iOS. Its Bitdefender Antivirus Free offering provides permanent, no-cost basic antivirus protection for Windows PCs, while cross-platform coverage is presented on paid product pages and trials.
ESET provides antivirus and broader cybersecurity protection for personal devices, including real-time malware protection, secure banking and browsing, and network protection. Its current consumer plans cover multiple device and privacy-security features, with availability varying by plan and region.
Malwarebytes provides device security software for Windows, macOS, Android, and iOS. Its free tier focuses on malware cleanup and selected mobile protections, while paid plans add device security features and optional VPN or identity protection.
Norton provides subscription-based antivirus and device-security products for PCs, Macs, Android devices, and iPhones/iPads. Its published offerings combine malware and ransomware protection with optional privacy, password-management, backup, scam-protection, and identity features depending on the plan.
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