Antivirus
Top Companies in 2025
dfndr security vs Heimdal Security
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- Free core protection (virus scanning, anti-phishing) with millions of users
- Comprehensive feature set (antivirus, anti-theft, cleaning, etc.) in one app
- Easy to use with decent malware detection scores (AV-TEST certified)
- Multi-layered AI-driven security engine
- Data leakage protection
- Dedicated customer support
- Very ad-heavy in free mode
- Premium version is relatively expensive and Android-only
- Some features (battery booster, etc.) add little value
- No live customer support
- Complexity for non-technical users
- No free antivirus
- DNS filtering lacks polish
dfndr security, developed by Brazilian cybersecurity firm PSafe, is a well-known antivirus app for Android phones and tablets. Launched in the mid-2010s, they quickly gained popularity, amassing over 100 million downloads on Google Play thanks to their robust free offering. They aim to shield users from mobile threats, scan for malware, block phishing links, and alert users to potential scams, even within messaging apps. Over the years, PSafe has enriched dfndr security with extra features such as phone location tracking for lost devices, an app lock to protect privacy, and data breach monitoring to help users stay ahead of identity thieves. Users of dfndr security praise its ease of use, comprehensive toolkit, and free basic protection. The app’s interface is straightforward, making complex tasks like clearing junk files or securing the device accessible with a single tap. They also enjoy a strong reputation in the antivirus industry’s tests, having achieved perfect scores in some AV-TEST evaluations. However, the free version is known for frequent ads and notifications, which can be intrusive. Customer support is limited to email and online help, reflecting its focus on the mass Android market. Overall, dfndr security stands out as a solid, accessible option for Android users seeking free antivirus tools, though those wanting ad-free use or broader device support may find better value elsewhere.
Founded in 2014 in Copenhagen, Denmark, Heimdal Security is known for delivering AI-powered cybersecurity tools for both home and business users. Their software offers multi-layered protection, dedicated ransomware encryption defense, and efficient performance that doesn’t weigh down your system. Features like automated patching, data leakage prevention, and email threat detection contribute to strong operational efficiency and digital safety. Customer reviews reflect a generally positive experience, with many users praising Heimdal’s threat-blocking capabilities, helpful support team, and overall ease of use once set up. Whether you’re managing endpoints at work or securing your home devices, Heimdal’s solutions are built to handle a wide range of cybersecurity needs.
- Security Rating : Good
- VPN : Not included
- Price : Free version available (with ads); Pro plan $29.9/year; Ultra plan $69.9/year (approximately, for one device)
- Customer Experience : Fair
- Firewall : Not included
- Free Trial : 3 days
- Trustpilot Score : N/R
- Security Rating : Good
- VPN : Unavailable
- Price : Starting at $59.95 per year
- Customer Experience : Good
- Firewall : Unavailablle
- Free Trial : 14-day free trial
- Trustpilot Score : 4 out of 5
- Real-time scam protection for WhatsApp/SMS messaging specifically
- Built-in identity theft monitoring for mobile
- One of the most downloaded antivirus apps globally (200M+ installs)
- Defense against Cryptojacking and advanced threats
- Lightweight design
- Adware Removal
- Anti-Phishing
- Anti-Spam
- Anti-Theft
- Anti-Tracking—Undisclosed
- Behavior Analysis—Undisclosed
- Cloud Scanning—Undisclosed
- Dark Web Scanning
- Dedicated Ransomware Protection
- E-mail Scan
- File Encryption
- Free Version
- ID Protection
- Intrusion Detection System (IDS)
- Malware Removal
- Mobile App
- On Demand Scan
- Real-Time Protection
- Spyware Removal
- Vulnerability Scanner
- Webcam Protection
- Adware Removal—Undisclosed
- Anti-Phishing
- Anti-Spam
- Anti-Theft
- Anti-Tracking
- Behavior Analysis
- Cloud Scanning
- Dark Web Scanning
- Dedicated Ransomware Protection
- E-mail Scan
- File Encryption
- Free Version
- ID Protection
- Intrusion Detection System (IDS)
- Malware Removal
- Mobile App
- On Demand Scan
- Real-Time Protection
- Spyware Removal
- Vulnerability Scanner
- Webcam Protection
- Boot Time Scans—Undisclosed
- Browser Cleaner
- Disk Cleaner
- Junk Files Removal—Undisclosed
- Software/Driver Updater
- Boot Time Scans
- Browser Cleaner
- Disk Cleaner
- Junk Files Removal
- Software/Driver Updater
- Cloud Storage Backup
- Live Updates
- Parental Control
- Password Manager
- Rescue Mode
- USB Rescue Toolkit
- USB Vaccination
- Cloud Storage Backup
- Live Updates
- Parental Control
- Password Manager
- Rescue Mode
- USB Rescue Toolkit—Undisclosed
- USB Vaccination
- Android
- Browser Plugins
- ChromeOS
- Fire OS
- iOS
- Linux
- macOS
- Windows
- Android
- Browser Plugins
- ChromeOS
- Fire OS
- iOS
- Linux
- macOS
- Windows
- Community Forum
- FAQs
- Help Guides
- Live Chat
- Phone
- Social Media
- Ticket
- Community Forum
- FAQs
- Help Guides
- Live Chat
- Phone
- Social Media
- Ticket