If you feel your phone is slow, freezing, or displaying strange ads, it might be time to install an antivirus. In this article, you'll learn about... Best free antivirus software for Android and iPhone in 2025, focusing on protection, performance, and ease of use. All this in a way that is optimized for your time and safety.
Advantages of Using Antivirus Software on Your Cell Phone
Real-time protection
It constantly monitors your apps and files, preventing threats before they cause damage.
Safe browsing
Blocks dangerous websites, phishing attempts, and password theft attempts in real time.
Wi-Fi and network analysis
Check if the Wi-Fi network is secure before you connect, protecting your data.
Performance optimization
Many antivirus programs include functions for cleaning cache, RAM, and junk files.
Device tracking and blocking
In case of loss or theft, you can track, block, and even remotely erase the contents of your cell phone.
Best Free Antivirus for Android and iPhone
Avast Mobile Security
Availability: Android and iOS
Features: Protection against viruses, malware, phishing, call blocking, basic VPN, and Wi-Fi scanning.
Differentials: Simple interface, real-time protection, and extra tools like a photo vault and digital junk cleaner.
AVG Antivirus Free
Availability: Android and iOS
Features: App scanning, Wi-Fi network verification, device location, app blocking, and real-time antivirus.
Differentials: It's from the same company as Avast, but with a lighter interface and a focus on performance.
Kaspersky Mobile Security
Availability: Android and iOS
Features: Protection against malware, call filtering, app protection, and limited free VPN.
Differentials: One of the most reliable antivirus systems in the world. Offers an excellent balance between protection and lightweight design.
Bitdefender Antivirus Free
Availability: Android and iOS
Features: Fast scanning, active malware protection, secure browsing, and app blocking.
Differentials: Very lightweight, ideal for phones with limited memory. No intrusive ads.
Avira Mobile Security
Availability: Android and iOS
Features: Security analysis, phishing protection, device location, remote locking, and photo vault.
Differentials: An excellent option for those who want a lightweight alternative with good privacy options.
McAfee Mobile Security
Availability: Android and iOS
Features: Virus scanning, Wi-Fi security, contact backup, device blocking, and VPN.
Differentials: Modern interface, smart alerts, and good performance even on older phones.
Interesting Extra Features
- Integrated VPN: Some antivirus programs offer free VPNs with a daily limit, useful for browsing with more privacy.
- Photo and file vault: Protect your images with password and encryption.
- Anti-theft: It allows you to track your cell phone if it's lost, lock it, or remotely erase its data.
- Spy app detector: Identifies apps that attempt to access the camera, microphone, or data without permission.
- Privacy reports: They show which apps access sensitive information and how often.
Common Care or Mistakes
- Installing multiple antivirus programs at the same time: This causes conflicts and can slow down the phone.
- Bypass app permissions: Always review what your antivirus software is accessing and configure it as needed.
- Trusting only the antivirus software: Avoid clicking on suspicious links, download apps only from official stores, and enable two-factor authentication.
- Leaving your antivirus software outdated: Keep the app always updated to ensure the latest protection.
Interesting Alternatives
- Google Play Protect: Android's native system that automatically scans apps. Useful, but limited.
- Find My iPhone: It comes pre-installed on Apple devices and allows you to locate and lock your device.
- Manual cleaning and frequent backups: Deleting unknown files and keeping your data saved in the cloud helps keep your system clean and secure.
- Paid antivirus software: If you need more advanced protection, paid versions offer ransomware protection, unlimited VPN, parental controls, and more.
Frequently Asked Questions (FAQ)
Yes. Although Android and iOS systems have layers of security, a good antivirus adds extra protection against malicious websites, spyware apps, and phishing attacks.
Bitdefender Antivirus Free is one of the lightest and most effective options for phones with limited memory.
Some do, especially on Android versions. But there are ad-free options, such as Bitdefender and Kaspersky, that focus on user experience.
Current antivirus programs are optimized and consume little battery power. Even so, it's important to review which permissions and features are active.
Yes. Some antivirus programs already come with a built-in VPN. If not, you can use an external VPN without any problems.
Conclusion
Installing reliable antivirus software is a simple way to protect your data, your privacy, and the proper functioning of your mobile phone. Choose one of the recommended apps, keep your system updated, and avoid suspicious clicks. Try one of the best free antivirus programs now and make your phone safer!