Acronis vs Nessus: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Acronis and Nessus side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Nessus leads on a free plan. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Acronis
Integrated data protection and cybersecurity for any environment
Best for you if:
- • You want all-in-one solution
Nessus
Vulnerability assessment scanner
Best for you if:
- • You want a fully free tool (Acronis requires payment)
| At a Glance | ||
|---|---|---|
Starts at | From $49.99/year Essentials plan | Free plan, paid from $399.17/mo flat, billed yearly Nessus Professional plan |
Category | Security Cloud & Infrastructure | Security Vulnerability Scanning |
Rating | 4.6/5 G2 4.6 2,269 reviews | 4.6/5 G2 4.5 · Capterra 4.7 402 reviews |
Free plan | No | Yes |
Choose Acronis or Nessus?
Choose Acronis if
- You want all-in-one solution
- You want enterprise features
Choose Nessus if
- You want a fully free tool (Acronis requires payment)
- You want industry standard scanner
- You want good vulnerability detection
In-Depth Analysis
Acronis
Integrated data protection and cybersecurity for any environment
Acronis' pricing is on the higher side, especially for the Advanced and Premium tiers.
Strengths
- Pro: All-in-one solution
- Pro: Enterprise features
- Pro: Ransomware protection
Weaknesses
- Con: Complex pricing
- Con: Resource heavy
Key features
Nessus
Vulnerability assessment scanner
It's best for organizations prioritizing comprehensive, enterprise-grade vulnerability management.
Strengths
- Pro: Industry standard scanner
- Pro: Good vulnerability detection
- Pro: Comprehensive coverage
- Pro: Good reporting
- Pro: Active development
Weaknesses
- Con: Expensive
- Con: Learning curve
- Con: Resource intensive
- Con: Per-asset pricing
- Con: Better alternatives exist
Key features
Plans and prices: Acronis vs Nessus
| Tool | Plans and prices | Source |
|---|---|---|
| Acronis |
| acronis.com read Oct 2, 2026 |
| Nessus |
| tenable.com/products/nessus read Nov 1, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Acronis pricing and Nessus pricing.
Key Takeaways
Acronis
- Choose if you want integrated data protection and cybersecurity for any environment
Nessus
- Has a free plan
What the data shows
On the data below, Nessus leads on a free plan. We do not name an overall winner for this pair.
- User ratings are within 0.2 points (4.6/5 from 2,269 reviews for Acronis, 4.6/5 from 402 reviews for Nessus).
- Entry prices are not ranked, they are charged on different bases: Acronis $49.99/year; Nessus $399.17/mo flat, billed yearly.
- Only Nessus has a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Acronis and Nessus compare in 2026?
On the data below, Nessus leads on a free plan. We do not name an overall winner for this pair. User ratings are within 0.2 points (4.6/5 from 2,269 reviews for Acronis, 4.6/5 from 402 reviews for Nessus). Entry prices are not ranked, they are charged on different bases: Acronis $49.99/year; Nessus $399.17/mo flat, billed yearly. Only Nessus has a free plan.
What are Acronis and Nessus used for?
Acronis: Integrated data protection and cybersecurity for any environment. Nessus: Vulnerability assessment scanner.
What does Acronis cost vs Nessus?
Acronis's cheapest paid plan is Essentials at $49.99/year. Nessus's cheapest paid plan is Nessus Professional at $399.17/mo flat, billed yearly. Prices read on the vendors' pricing pages, latest check Nov 1, 2026.
What's the main difference between Acronis and Nessus?
Acronis's main strength: all-in-one solution. Nessus's main strength: industry standard scanner.