Antivirus
Top Companies in 2025
Defencebyte vs System Mechanic Ultimate Defense
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Pros
- Behavior-based detection
- Diverse scanning options
- Covers multiple PCs per plan
- Separate products for PC optimization
Pros
- Cost effective system optimizer option
- Includes a password manager
- Effective performance optimizer
- Easy to use
Cons
- No third-party testing
- Missing essential features
- Limited support options
- Lack of company information
Cons
- Premium customer support is free for the first month only
- No antivirus with the standard version
Quick Stats
- Security Rating : Poor
- VPN : Unavailable
- Price : Starts at $48.95 for one device
- Customer Experience : Fair
- Firewall : Unavailable
- Free Trial : 30 days
- Trustpilot Score : 4.8 out of 5
Quick Stats
- VPN : No
- Price : $23.99
- Security Rating : 1
- Firewall : "True"
- Free Trial : "True"
Selling Points
- Rollback malware recovery
- 30-day money-back guarantee
- Security for devices and networks
Selling Points
- Cost effective system optimizer option
- Includes a password manager
- Effective performance optimizer
General Features & Perks
- Adware Removal
- Anti-Phishing—Undisclosed
- Anti-Spam
- Anti-Theft
- Anti-Tracking
- Behavior Analysis
- Cloud Scanning
- Dark Web Scanning
- Dedicated Ransomware Protection
- E-mail Scan—Undisclosed
- File Encryption
- Free Version
- ID Protection
- Intrusion Detection System (IDS)
- Malware Removal
- Mobile App
- On Demand Scan
- Real-Time Protection
- Spyware Removal
- Vulnerability Scanner—Undisclosed
- Webcam Protection
General Features & Perks
- Adware Removal
- Anti-Phishing
- Anti-Spam—Undisclosed
- Anti-Theft—Undisclosed
- Anti-Tracking—Undisclosed
- Behavior Analysis
- Cloud Scanning—Undisclosed
- Dark Web Scanning
- Dedicated Ransomware Protection—Undisclosed
- E-mail Scan—Undisclosed
- File Encryption—Undisclosed
- Free Version
- ID Protection—Undisclosed
- Intrusion Detection System (IDS)
- Malware Removal
- Mobile App—Undisclosed
- On Demand Scan
- Real-Time Protection
- Spyware Removal
- Vulnerability Scanner—Undisclosed
- Webcam Protection—Undisclosed
System Optimization & Performance
- Boot Time Scans
- Browser Cleaner
- Disk Cleaner
- Junk Files Removal
- Software/Driver Updater—Undisclosed
System Optimization & Performance
- Boot Time Scans
- Browser Cleaner
- Disk Cleaner
- Junk Files Removal
- Software/Driver Updater—Undisclosed
Additional Perks
- Cloud Storage Backup
- Live Updates
- Parental Control
- Password Manager
- Rescue Mode
- USB Rescue Toolkit
- USB Vaccination
Additional Perks
- Cloud Storage Backup—Undisclosed
- Live Updates
- Parental Control—Undisclosed
- Password Manager
- Rescue Mode—Undisclosed
- USB Rescue Toolkit—Undisclosed
- USB Vaccination—Undisclosed
Device Compatibility
- Android
- Browser Plugins
- ChromeOS
- Fire OS
- iOS
- Linux
- macOS
- Windows
Device Compatibility
- Android—Undisclosed
- Browser Plugins—Undisclosed
- ChromeOS—Undisclosed
- Fire OS—Undisclosed
- iOS—Undisclosed
- Linux—Undisclosed
- macOS—Undisclosed
- Windows
Customer Support
- Community Forum
- FAQs
- Help Guides
- Live Chat
- Phone
- Social Media
- Ticket
Customer Support
- Community Forum
- —Undisclosed
- FAQs
- Help Guides—Undisclosed
- Live Chat—Undisclosed
- Phone
- Social Media—Undisclosed
- Ticket—Undisclosed