Avast Mobile Security remains one of the most downloaded Android security apps in the Google Play Store, with over 100 million installs. The 2026 version brings AI-powered threat detection, a refined interface, and powerful anti-theft capabilities to the free tier.

Free Features

• AI-powered antivirus scanning
• Junk file cleaner
• Wi-Fi speed test
• VPN (limited to one location in free tier)
• Photo vault
• Anti-theft (basic)

Premium Features

• App locking (PIN, fingerprint)
• Adware removal
• Unlimited VPN
• Sim security (auto-lock if SIM changes)
• Capturecam (photo of thief)
• Remote last known location

Verdict

Avast Mobile Security is excellent value. Even the free tier offers more features than most paid competitors, making it the best choice for budget-conscious Android users who still want robust protection.