A completely free ad-free AI mobile antivirus OnAV. Detects everything from new/variant malicious apps to voice phishing malicious apps with the AI detection engine independently developed by SecuriON.

🛡️ A smartphone protected by an AI engine — 100% detection rate at AV-TEST a global security product performance evaluation institute
🛡️ From pre-installation to real-time — seamless malicious app detection with no gaps
🛡️ A powerful mobile antivirus that catches even voice phishing malicious apps
OnAV has continuously obtained certifications from global security product performance evaluation institutes including AV-TEST since 2018 and AV-Comparatives since 2019 proving its detection performance. In the January 2026 AV-TEST evaluation it recorded a 100% detection rate.
✔ Machine Learning-Based Malicious App Detection
• Detects malicious apps with the independently developed AI detection system CVS (Cross Validation System). CVS combines machine learning inspection reputation inspection and pattern inspection to maximize detection rates while minimizing resources providing powerful protection without affecting smartphone performance.
• Smart Scan: Scans not only already installed apps but also installable files to detect malicious apps.
• Real-time Scan: Automatically scans the moment an app is installed and immediately blocks threats.
✔ Voice Phishing Malicious App Detection
• Automatically analyzes malicious apps used for voice phishing and detects them before installation.
✔ Rooting Detection
• Inspects whether the smartphone has been rooted and notifies you of the results.
✔ QR Code Scan
• Analyzes URLs contained in QR codes and blocks access to harmful sites in advance.
✔ User Statistics
• Compare and check the average security score of all users against your own security grade.
✔ Ad-Free Free Antivirus
• Use all security features comfortably without any advertisements or paid subscriptions.
📝 Contact
• Email: [email protected]
• Website: https://www.securion.co.kr
🔒 App Access Permission Notice Based on Article 22-2 of the Act on Promotion of Information and Communications Network Utilization and Information Protection etc. effective March 14 2017 OnAV only accesses items strictly necessary for the service. Each item does not request separate access permissions and the details are as follows.
[Required Access Permissions]
• Storage: Used for file scanning and remediation functions
• Internet/Wi-Fi connection information: Used for cloud scan smart scan database updates QR code URL scan and user statistics functions
[Optional Access Permissions]
• Camera: Used for scanning URL maliciousness through QR code capture
• Notifications: Used to notify users after real-time scanning and malicious app detection
※ The service can be used without consenting to optional access permissions; however the corresponding features may be restricted.