Antivirus
Top Companies in 2025
Avast vs ZoneAlarm
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- Free version with essential features
- Easy-to-use interface with clear navigation
- Built-in firewall for network protection
- Regular updates to virus definitions
- Multi-device compatibility
- Includes both free and premium plan options
- Built-in phishing protection via browser extension
- Real-time malware detection with cloud scanning
- Anti-bot tools
- Frequent upgrade prompts in free version
- Some key features sold separately
- May slow down older systems
- Past data privacy concerns
- Desktop protection only available for Windows
- Essential features locked behind top-tier plan
- Lacks recent evaluations from independent testing labs
- Features like VPN and password manager not available
Founded in 1988 and headquartered in Prague, Czech Republic, Avast has grown into one of the most recognized names in cybersecurity. Known for offering a free antivirus product alongside robust premium plans, Avast provides multi-layered protection through features like Smart Scan, real-time malware detection, phishing protection, and a Secure Browser designed to safeguard sensitive activity online. More advanced services include Avast One Gold, which adds VPN access, identity protection, and ransomware defense. Their tools are compatible across Windows, macOS, Android, and iOS, offering flexible security for individual users and families alike. Avast’s services have earned high marks in independent malware tests, including results from SE Labs and AV-Comparatives, helping establish their credibility within the industry. Customer feedback is largely positive, with users praising Avast’s ease of use, effective free service, and performance-boosting utilities. However, concerns have been raised about frequent upselling and pop-up notifications, especially within the paid tiers. Despite this, Avast remains a popular option for users seeking both basic and enhanced digital protection.
ZoneAlarm is a long-standing name in personal cybersecurity, founded in 1997 and now operating under the umbrella of Check Point Software Technologies. Headquartered in San Francisco, they’ve built their reputation on firewall technology and have since expanded into complete antivirus and internet security solutions. Their services are geared toward individuals and small-scale users looking for a mix of automatic protection and manual control, particularly Windows users who want more say in what their systems allow and block. They offer a free antivirus plan with core malware defense and a personal firewall, and their paid plans add features like anti-ransomware, advanced phishing protection, and mobile security tools. Their standout features include a two-way firewall, real-time cloud-based scanning, and application-level controls, giving users a clearer window into their device’s behavior. Customer feedback is mixed. Some users praise the software’s reliability, ease of use, and long-term consistency, while others cite concerns around billing practices, support responsiveness, and occasional system slowdowns. ZoneAlarm has received recognition in the past, though they haven’t participated in recent third-party testing—something potential users may want to weigh. So what does all this mean for your device? Read on to explore whether their tools match your security needs.
- Security Rating : Excellent
- VPN : Included
- Price : Starts at $44.28 per year
- Customer Experience : Good
- Firewall : Included
- Free Trial : 30 days
- Trustpilot Score : 4.2 out of 5
- Security Rating : Fair
- VPN : Unvailable
- Price : Starts at $35.95 per year
- Customer Experience : Fair
- Firewall : Available
- Free Trial : Unavailable
- Trustpilot Score : 1.6 out of 5
- Smart Scan combines security and cleanup
- Behavioral Shield detects zero-day attacks
- Sandbox lets you run suspicious files safely
- Plans scale easily across multiple devices
- Two-way firewall
- Application controls
- 30-day money-back guarantee
- Real-time security updates
- Adware Removal
- 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
- Adware Removal
- 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
- Browser Cleaner
- Disk Cleaner
- Junk Files Removal
- Software/Driver Updater
- Boot Time Scans—Undisclosed
- 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—Undisclosed
- Password Manager
- Rescue Mode
- USB Rescue Toolkit
- USB Vaccination
- Android
- Browser Plugins
- ChromeOS
- Fire OS
- iOS
- Linux
- macOS
- Windows
- Android
- Browser Plugins
- ChromeOS—Undisclosed
- 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