mx16360 Security (360手机卫士), developed by Qihoo 360 — one of China’s largest internet security companies — is one of the most popular free Android security apps globally with over 1 billion downloads. The 2026 version delivers AI-powered protection with comprehensive optimization tools.
Features
- AI antivirus engine with real-time protection
- Wi-Fi security check
- Junk file cleaner and optimizer
- Battery saver
- CPU cooler
- App lock (biometric)
- Intruder selfie on wrong PIN
- Anti-theft (remote locate, wipe, alarm)
Verdict
360 Security is one of the best free Android security apps available. Its comprehensive feature set rivals many paid competitors, making it an excellent choice for budget-conscious users worldwide.
