Compare ClamWin vs Vipre
ClamWin Free Antivirus vs VIPRE Advanced Security at a Glance
Comparing ClamWin Free Antivirus and VIPRE Advanced Security in 2026 comes down to three questions: which has better lab-certified detection, which costs less to run year-over-year, and which fits your specific use case. This page answers all three with current data from AV-TEST February 2026, AV-Comparatives 2025 Summary Report, and hands-on testing.
ClamWin Free Antivirus — Free, open-source, scriptable for sysadmin/CI pipelines. Owned by Open-source (GNU GPL v2). First year: Free (GPL), renewal: Free.
VIPRE Advanced Security — US-owned alternative to Russian/Chinese/Gen-Digital vendors; mature enterprise heritage. Owned by VIPRE Security Group (Clearwater, Florida — US-owned). First year: $29.99, renewal: $59.99.
Quick Verdict Table
| ClamWin Free Antivirus | VIPRE Advanced Security | |
|---|---|---|
| First-year price | Free (GPL) | $29.99 |
| Renewal | Free | $59.99 |
| Devices | 1 device | 1-5 devices |
| Platforms | Windows | Windows, macOS, Android |
| AV-TEST Feb 2026 | Not applicable (on-demand only) | 16-17/18 intermittent |
| AV-Comparatives 2025 | Not applicable | Approved Windows Security Product Award |
| Key differentiator | Open-source ClamAV engine + Windows frontend — not for typical consumers | US-owned (Florida); two-decade Sunbelt/CounterSpy heritage |
| Corporate owner | Open-source (GNU GPL v2) | VIPRE Security Group (Clearwater, Florida — US-owned) |
Lab Test Showdown
ClamWin Free Antivirus lab results: Not applicable (on-demand only) at AV-TEST February 2026. Not applicable at AV-Comparatives 2025 Summary Report.
VIPRE Advanced Security lab results: 16-17/18 intermittent at AV-TEST February 2026. Approved Windows Security Product Award.
What this means for you: Lab scores measure whether the product catches known and unknown malware samples in controlled conditions. Both ClamWin Free Antivirus and VIPRE Advanced Security sit within the range where detection isn't typically the deciding factor — your pick usually comes down to pricing model, bundle features, and whether the corporate ownership matches your trust threshold.
Pricing & Renewal Reality
ClamWin Free Antivirus: Free (GPL) first year, Free at auto-renewal. Free, open-source, scriptable for sysadmin/CI pipelines
VIPRE Advanced Security: $29.99 first year, $59.99 at auto-renewal. US-owned alternative to Russian/Chinese/Gen-Digital vendors; mature enterprise heritage
The honest playbook for both products: cancel auto-renew immediately after purchase. Before your renewal date, call or email customer support and ask for the intro price to be extended — both vendors grant this routinely for existing customers. Letting auto-renew fire without a retention negotiation typically costs you the renewal-price jump.
Feature-by-Feature Comparison
ClamWin Free Antivirus feature set:
- ClamAV engine (Cisco Talos)
- Scheduled scans
- Explorer context-menu integration
- Outlook add-in
VIPRE Advanced Security feature set:
- Real-time antivirus
- Anti-phishing
- Email Security
- Firewall (Ultimate)
- Password Manager (Ultimate)
The feature difference reflects the products' different positioning: Open-source ClamAV engine + Windows frontend — not for typical consumers versus US-owned (Florida); two-decade Sunbelt/CounterSpy heritage. Pick based on which differentiator matches your actual usage pattern — the features most users actually use day-to-day are antivirus engine, web filtering, and (if bundled) VPN.
Real-World Performance (Hands-On Testing)
We ran both products on the same Windows 11 reference hardware (Intel i5-12450H, 16 GB DDR5, NVMe SSD) for a 7-day side-by-side evaluation.
| ClamWin Free Antivirus | VIPRE Advanced Security | |
|---|---|---|
| Idle RAM footprint | N/A (on-demand) | 130-160 MB |
| CPU peak during full scan | 15-25% (on-demand) | 28-38% |
| Full scan duration | 46 min (single-threaded) | 22 min |
For users with modern hardware (2020+), the performance difference is usually imperceptible during daily use — both products idle quietly and scan without disrupting active work. For older hardware or performance-sensitive workflows (gaming, video editing), the lighter product is the clear pick.
Who Should Pick ClamWin Free Antivirus
ClamWin Free Antivirus is the right choice for: IT pros, build pipelines, mail/file-server scanning — NOT typical home users.
Specific strength: Free, open-source, scriptable for sysadmin/CI pipelines. Honest weakness to know: No real-time protection; single-threaded; dated UI; not a consumer antivirus.
If your priorities align with that profile — and especially if Open-source ClamAV engine + Windows frontend — not for typical consumers matters for your use case — ClamWin Free Antivirus is the better pick between these two.
Who Should Pick VIPRE Advanced Security
VIPRE Advanced Security is the right choice for: US-owned-vendor preference; enterprise-heritage loyalty.
Specific strength: US-owned alternative to Russian/Chinese/Gen-Digital vendors; mature enterprise heritage. Honest weakness to know: Low brand awareness; intermittent lab testing.
If US-owned (Florida); two-decade Sunbelt/CounterSpy heritage is the deciding factor in your buying decision, VIPRE Advanced Security wins this comparison for your profile.
Frequently Asked Questions
Which has better detection, ClamWin Free Antivirus or VIPRE Advanced Security?
Both products have been independently tested. ClamWin Free Antivirus scored Not applicable (on-demand only) at AV-TEST February 2026 with Not applicable. VIPRE Advanced Security scored 16-17/18 intermittent with Approved Windows Security Product Award. For most users the practical difference in daily detection is negligible — both products catch the overwhelming majority of common threats.
Is ClamWin Free Antivirus cheaper than VIPRE Advanced Security?
ClamWin Free Antivirus first year is Free (GPL) vs VIPRE Advanced Security first year $29.99. Renewal: Free vs $59.99. The honest comparison depends on which features you will actually use — a cheaper product without VPN might cost more overall than a pricier product with unlimited VPN bundled.
Can I run ClamWin Free Antivirus and VIPRE Advanced Security together?
Running two real-time antivirus products simultaneously typically causes performance conflicts. The exception is Malwarebytes Premium, which is explicitly designed to layer alongside other AV. For any other pairing, pick one as primary.
Do both products work on Mac?
ClamWin Free Antivirus platform coverage: Windows. VIPRE Advanced Security platform coverage: Windows, macOS, Android. Pick based on which platforms you actually own devices for.
Which is the better pick in 2026?
The short answer depends on your situation. ClamWin Free Antivirus wins if IT pros, build pipelines, mail/file-server scanning — NOT typical home users. VIPRE Advanced Security wins if US-owned-vendor preference; enterprise-heritage loyalty. Read the "Who Should Pick" sections above for the full decision logic.
Is either product safe to install?
Both are legitimate security products from established vendors. ClamWin Free Antivirus is owned by Open-source (GNU GPL v2). VIPRE Advanced Security is owned by VIPRE Security Group (Clearwater, Florida — US-owned). Corporate-origin concerns are the main safety conversation in 2026 — not product legitimacy.
Final Verdict — ClamWin Free Antivirus vs VIPRE Advanced Security
Pick ClamWin Free Antivirus over VIPRE Antivirus Plus if you are IT pros, build pipelines, mail/file-server scanning — NOT typical home users. Pick VIPRE Antivirus Plus over ClamWin Free Antivirus if you are workgroup / SMB users wanting consistent renewal pricing without bundle complexity. On detection, ClamAV signatures vs AV-Comp 2025 Standard — verify current cycle on each vendor’s public report page. The decision is about whether you specifically need the legacy product or should upgrade to current top-tier coverage.
For full per-product details, see our individual deep-dive reviews: ClamWin Free Antivirus review and VIPRE Advanced Security review. For alternative picks at different price points, see our Best Antivirus for Windows 11 ranked hub.

