Avast One vs Kaspersky Premium Total Security

Avast One is a security suite for Windows, macOS, Android, and iOS, with its protection scope described as complete security. Listed features include ransomware protection, junk cleanup, a startup manager, scheduled maintenance, and built-in ad blocking. The product supports cross-device sync, Chrome Store extensions, and a Chromium browser engine. Windows support covers Windows 10 and 11, and the device limit is 30. Avast One has a free plan. The Silver Device Protection module costs $2.99 a month and adds device-protection features. Gold costs $6.99 a month and includes expanded security, privacy, and performance features. Platinum costs $9.99 a month and is described as the broadest listed protection tier. The listed pricing note says paid from $2.99/mo, while another listed paid-from amount is 65.99 /yr. The maker is headquartered in Prague, Czech Republic, and was founded in 1988.

Kaspersky Premium Total Security combines antivirus, privacy and identity protection, performance tools, an unlimited VPN and a password manager. Its multilayered protection addresses malware including fileless attacks and rootkits, plus ransomware, phishing, malicious sites, infected ads, credit-card skimmers, firewall threats and cryptojacking. Online Payment Protection opens a protected browser for transactions. The VPN encrypts public-Wi-Fi traffic and hides the IP address. Identity Theft Check looks for phone numbers in data leaks, while Data Leak Checker checks email exposure. The password manager stores synchronized passwords in an encrypted vault and warns about leaks. Safe Kids is included free for one year with location, website and usage controls. Utilities cover storage cleanup, drive-health monitoring and app-update alerts, with Windows speed-up features. It supports Windows, macOS, Linux, Android and iOS, with a three-device limit. Pricing starts at $54.99/yr; the 30-day trial converts to an automatically renewing yearly subscription unless cancelled.