🛡️ Best Free Antivirus Apps in 2025 (For Android & Windows)

In 2025, cyber threats are evolving faster than ever. From ransomware to phishing, your device is constantly at risk. But don't worry—there are some powerful antivirus apps that offer top-level protection without costing you a dime.

Below is a list of the best free antivirus apps for Android and Windows, carefully selected based on performance, features, and user experience.

1. Bitdefender Antivirus Free

• Platform: Android, Windows
• Features: Real-time threat detection, cloud scanning
• Why it’s great: Lightweight and minimal battery usage
• Download: bitdefender.com

2. Avast Free Antivirus

• Platform: Windows, Android
• Features: Malware protection, Wi-Fi security scan, ransomware shield
• Why it’s great: Clean interface and real-time protection
• Download: avast.com

3. Kaspersky Security Cloud – Free

• Platform: Windows, Android
• Features: Cloud-based scanning, privacy protection, password manager
• Why it’s great: Trusted brand with regular updates
• Download: kaspersky.com

4. Sophos Intercept X Mobile

• Platform: Android
• Features: Malware detection, link checker, privacy advisor
• Why it’s great: Enterprise-grade protection in a free package
• Download: sophos.com

🔐 Final Thoughts

Free antivirus software in 2025 has come a long way. You no longer have to sacrifice performance or features just because it's free. Whether you use Android or Windows, the tools listed above will help keep your device safe and secure.

Stay safe. Stay updated. Stay protected. 💻🔒

💬 Which antivirus do you use? Let us know in the comments!