Kaspersky Mobile Antivirus (Kaspersky for Android) offers one of the most generous free tiers in the Android security market. The 2026 version provides real-time protection, call filtering, and anti-theft features entirely free, with a premium tier adding VPN, app lock, and identity protection.

Free Features

• Real-time antivirus scanning
• On-demand malware scanning
• Anti-theft (find, lock, wipe, alarm)
• Call and SMS filter
• Privacy protection (permission checker)
• Safe Browsing protection

Premium Features

• Unlimited VPN (Kaspersky VPN)
• App Lock (biometric)
• Identity Protection Wallet
• Real-time protection for all apps
• 24/7 support

Verdict

Kaspersky Mobile Antivirus is our top pick for a free Android security app. The free tier is genuinely useful and comprehensive — unusual in an industry where free tiers are often crippled to drive upgrades.