Head-to-head · Anti Malware Software
IObit Malware Fighter vs Dr.Web KATANA
IObit Malware Fighter leads on 1 check, Dr.Web KATANA on 0, and 1 is even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreIObit Malware Fighter · 8.9/10
- Free planonly IObit Malware Fighter
- Free trialonly Dr.Web KATANA
IObit Malware Fighter scores higher on our rubric for anti malware software: 8.9 against 8.7 out of 10; our editors rank them #3 and #4.
IObit Malware Fighter offers free plan; Dr.Web KATANA doesn't.
IObit Malware Fighter is the better fit for windows users seeking a capable free tier. Dr.Web KATANA is the better fit for low-cost behavioral protection for one Windows PC.
- IObit Malware Fighter fits best
Windows users seeking a capable free tier
- Dr.Web KATANA fits best
Low-cost behavioral protection for one Windows PC
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Side by side
| Feature | IObit Malware Fighter 8.9/10 Visit ↗ | Dr.Web KATANA 8.7/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.9 | 8.7 |
| Ranking | #3 in Anti Malware Software | #4 in Anti Malware Software |
| Best for | Windows users seeking a capable free tier | Low-cost behavioral protection for one Windows PC |
| Pricing model | Free plan + paid | Paid |
| Starting price | — | $9.30/device/yr |
| Free plan | ✓ (best) | — |
| Free trial | — | 30 days |
| Deployment | Desktop | Desktop |
| Platforms | Windows | Windows |
| Support | Email, Community, Docs | Phone, Tickets, Community, Docs · 24/7 |
| Built for | Solo, Small business, Mid-market | Solo, Small business, Enterprise |
| Features IObit Malware Fighter 1/4 · Dr.Web KATANA 1/4 | ||
| Real-time protection | Not checked yet | Not checked yet |
| Ransomware protection | ✓ | ✓ |
| Scheduled scans | Not checked yet | Not checked yet |
| Behavior monitoring | Not checked yet | Not checked yet |
| Specs | ||
| Maximum devices | Not checked yet | Not checked yet |
| Platform coverage | Not checked yet | Not checked yet |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | IObit Malware Fighter is Windows antivirus and anti-malware software for home and business users who want real-time protection and scanning on a desktop. Its Free plan covers real-time malware protection using the IObit malware database,… Read the review → |
Dr.Web KATANA is a Windows desktop antivirus designed as an additional layer for personal computers, including laptops, netbooks and tablets. It is aimed at buyers who want preventive protection based on behavior and cloud reputation… Read the review → |
Strengths and trade-offs
IObit Malware Fighter — where it wins
- Free plan includes real-time malware protection and unsafe-link blocking
- Pro adds ransomware defense, phishing blocking and Bitdefender protection
- Includes SafeBox, camera and USB controls, and customizable scans
Where it doesn't
- Available only for Windows desktop
- Bitdefender real-time protection is limited to Pro
- Pro device options stop at three PCs
Dr.Web KATANA — where it wins
- Uses real-time behavioral analysis and cloud reputation data
- Detects ransomware activity and offers exploit and zero-day protection
- Can operate alongside third-party antivirus software
Where it doesn't
- Supports Windows only
- Each listed plan covers one PC
- Focused on preventive antivirus protection rather than a broader security suite
- IObit Malware Fighter8.9/10 · Free plan
A Windows-focused free tier, with Bitdefender protection reserved for Pro.
Visit IObitFull verdict → - Dr.Web KATANA8.7/10 · 30-day trial
A focused Windows protection layer with behavioral detection and a low annual per-device price.
Visit Dr.WebFull verdict →
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All anti malware software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update