Fathom Analytics vs Nessus: Which Should You Choose in 2026?
Choosing between Fathom Analytics and Nessus comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Fathom Analytics
Simple privacy-first analytics
Best for you if:
- • You want the higher-rated option (8.5/10 vs 8.4/10)
- • You need web analytics features specifically
- • Privacy-first analytics without cookies
- • GDPR compliant with simple dashboard
Nessus
Vulnerability assessment scanner
Best for you if:
- • You need vulnerability scanning features specifically
- • Nessus is a vulnerability scanner for identifying security issues
- • It scans networks and systems for vulnerabilities, misconfigurations, and malware
| At a Glance |  Nessus | |
|---|---|---|
Price | Paid | Paid |
Best For | Web Analytics | Vulnerability Scanning |
Rating | 85/100 | 84/100 |
| Feature | Fathom Analytics | Nessus |
|---|---|---|
| Pricing Model | Paid | Paid |
| Editorial Score | 85 | 84 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 43 | 0 |
| Categories | Web AnalyticsData Visualization | Vulnerability ScanningSecurity Monitoring |
Understanding the Differences
Both Fathom Analytics and Nessus solve similar problems, but they approach them differently.Fathom Analytics positions itself as "simple privacy-first analytics" while Nessusfocuses on "vulnerability assessment scanner". These differences matter depending on what you're trying to accomplish.
When to Choose Fathom Analytics
Fathom Analytics makes sense if you're looking for a comprehensive paid solution. With a score of 85/100, it's our top pick in this comparison.
When to Choose Nessus
Nessus is worth considering if you need a professional-grade tool.
Who Should Use What?
Bootstrapped or small team?
Neither is free, but both have their value. Test them both and see which clicks.
We'd pick: Nessus
Growing fast?
Your team doubled last quarter and you need tools that won't break when you add 50 more people. Fathom Analytics handles scale better in our testing.
We'd pick: Fathom Analytics
Enterprise with complex needs?
You need SSO, compliance certifications, and a support team that picks up the phone. Fathom Analytics is built for organizations like yours.
We'd pick: Fathom Analytics
Still not sure? Answer these 3 questions
How much can you spend?
Both are paid tools. If money isn't the issue, go with Fathom Analytics—it scored higher.
Do you care what other users think?
Both have similar review counts. Read a few before you commit.
Expert opinion or crowd wisdom?
Our team rated Fathom Analytics higher (85/100). But the community has upvoted Fathom Analytics more (43 votes). Pick your source of truth.
Key Takeaways
What Fathom Analytics Does Better
- Higher overall score (85/100)
- More community upvotes
- Our recommendation for most use cases
Consider Nessus If
- Its specific features better match your workflow
- You prefer its interface or design approach
The Bottom Line
If we had to pick one, we'd go with Fathom Analytics (85/100). But the honest answer is that "better" depends on your situation. Fathom Analytics scores higher in our analysis, but Nessus might be the right choice if its specific strengths align with what you need most. Take advantage of free trials to test both before committing.
Frequently Asked Questions
Is Fathom Analytics or Nessus better?
Based on our analysis, Fathom Analytics scores higher with 85/100. Fathom Analytics ispaid while Nessus is paid. The best choice depends on your specific needs and budget. We recommend testing both with free trials if available.
Can I switch from Fathom Analytics to Nessus easily?
Migration difficulty varies. Check if both tools support data export/import in compatible formats. Some tools offer migration assistance or have integration partners who can help with the transition.
Do Fathom Analytics and Nessus offer free trials?
Most software in this category offers free trials or free tiers. Fathom Analytics is paid with potential trial.Nessus is paid with potential trial. Visit their websites for current trial offers.