Compare ClamWin vs Intego
ClamWin Free Antivirus vs Intego Mac Internet Security X9 at a Glance
Comparing ClamWin Free Antivirus and Intego Mac Internet Security X9 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.
Intego Mac Internet Security X9 — Mac specialist; ARM64-native for M-series; Mac-first threat intelligence. Owned by Intego (Paris, France — Mac-first since 1997). First year: $39.99, renewal: $69.99.
Quick Verdict Table
| ClamWin Free Antivirus | Intego Mac Internet Security X9 | |
|---|---|---|
| First-year price | Free (GPL) | $39.99 |
| Renewal | Free | $69.99 |
| Devices | 1 device | 2 Macs |
| Platforms | Windows | macOS only |
| AV-TEST Feb 2026 | Not applicable (on-demand only) | Tested Dec 2025 macOS cycle — certified |
| AV-Comparatives 2025 | Not applicable | AV-Comparatives Mac Security Test 2025: 97.1% Mac malware, 100% Windows |
| Key differentiator | Open-source ClamAV engine + Windows frontend — not for typical consumers | Mac specialist since 1997 — Apple Silicon native |
| Corporate owner | Open-source (GNU GPL v2) | Intego (Paris, France — Mac-first since 1997) |
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.
Intego Mac Internet Security X9 lab results: Tested Dec 2025 macOS cycle — certified at AV-TEST February 2026. AV-Comparatives Mac Security Test 2025: 97.1% Mac malware, 100% Windows.
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 Intego Mac Internet Security X9 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
Intego Mac Internet Security X9: $39.99 first year, $69.99 at auto-renewal. Mac specialist; ARM64-native for M-series; Mac-first threat intelligence
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
Pricing | ||
| Price | $0 | $24.99 |
| Old pricing | ||
| Money back Guarantee | ||
Scanning | ||
| Real-time Antivirus | ||
| Manual Virus Scanning | ||
| USB Virus Scan | ||
| Registry Startup Scan | ||
| Auto Virus Scanning | ||
| Scheduled scan | ||
Threat type | ||
| Anti-Spyware | ||
| Anti-Worm | ||
| Anti-Trojan | ||
| Anti-Rootkit | ||
| Anti-Phishing | ||
| Anti-Spam | ||
| Email Protection | ||
| Chat/IM Protection | ||
| Adware Prevention | ||
Compatibility | ||
| Windows | ||
| Mac | ||
| Android | ||
| IOS | ||
Usage | ||
| Easy of use | ||
Extra features | ||
| Personal Firewall | ||
| Parental Controls | ||
| Gamer Mode | ||
| VPN Service | ||
| Smartphone Optimizer | ||
| Device Tune-up | ||
| Safe browser | ||
Support | ||
| Live Help | ||
| Phone support | ||
| Email support | ||
| Ticket support | ||
ClamWin Free Antivirus feature set:
- ClamAV engine (Cisco Talos)
- Scheduled scans
- Explorer context-menu integration
- Outlook add-in
Intego Mac Internet Security X9 feature set:
- VirusBarrier (real-time)
- NetBarrier (Mac firewall)
- Personal Backup
- Content Barrier (parental)
- ContentBarrier Secure X9
The feature difference reflects the products' different positioning: Open-source ClamAV engine + Windows frontend — not for typical consumers versus Mac specialist since 1997 — Apple Silicon native. 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 | Intego Mac Internet Security X9 | |
|---|---|---|
| Idle RAM footprint | N/A (on-demand) | 100-150 MB |
| CPU peak during full scan | 15-25% (on-demand) | 15-25% (Mac) |
| Full scan duration | 46 min (single-threaded) | 11 min (Mac) |
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 Intego Mac Internet Security X9
Intego Mac Internet Security X9 is the right choice for: Mac-only households; users wanting Mac-specialist detection.
Specific strength: Mac specialist; ARM64-native for M-series; Mac-first threat intelligence. Honest weakness to know: Mac-only (not useful for mixed Mac+Windows households).
If Mac specialist since 1997 — Apple Silicon native is the deciding factor in your buying decision, Intego Mac Internet Security X9 wins this comparison for your profile.
Frequently Asked Questions
Which has better detection, ClamWin Free Antivirus or Intego Mac Internet Security X9?
Both products have been independently tested. ClamWin Free Antivirus scored Not applicable (on-demand only) at AV-TEST February 2026 with Not applicable. Intego Mac Internet Security X9 scored Tested Dec 2025 macOS cycle — certified with AV-Comparatives Mac Security Test 2025: 97.1% Mac malware, 100% Windows. 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 Intego Mac Internet Security X9?
ClamWin Free Antivirus first year is Free (GPL) vs Intego Mac Internet Security X9 first year $39.99. Renewal: Free vs $69.99. 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 Intego Mac Internet Security X9 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. Intego Mac Internet Security X9 platform coverage: macOS only. 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. Intego Mac Internet Security X9 wins if Mac-only households; users wanting Mac-specialist detection. 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). Intego Mac Internet Security X9 is owned by Intego (Paris, France — Mac-first since 1997). Corporate-origin concerns are the main safety conversation in 2026 — not product legitimacy.
Final Verdict — ClamWin Free Antivirus vs Intego Mac Internet Security X9
Pick ClamWin Free Antivirus over Intego Mac Internet Security if you are IT pros, build pipelines, mail/file-server scanning — NOT typical home users. Pick Intego Mac Internet Security over ClamWin Free Antivirus if you are Mac-only households wanting Mac-native AV. On detection, ClamAV signatures vs AV-Comparatives Mac Security Test 97.1% (June 2025) — 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 Intego Mac Internet Security X9 review. For alternative picks at different price points, see our Best Antivirus for Windows 11 ranked hub.
