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Acronis vs Nessus: Which is Better in 2026?

Choosing between Acronis 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.

Bottom line: Nessus wins this matchup. Our overall Security pick is 1Password. Our free Security pick is Intruder. Pick Acronis if you need security.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Sep 2026

Short on time? Here's the quick answer

We've tested both tools. 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
  • You want enterprise features

Nessus

Vulnerability assessment scanner

Best for you if:

  • You want industry standard scanner
  • You want good vulnerability detection
At a Glance
AcronisAcronis
NessusNessus
Starts at
$49.99/moEssentials
$2990/moProfessional
Best For
SecurityVulnerability Scanning
Rating
4.6/54.6/5
Free plan
No No

Choose Acronis or Nessus?

Acronis

Choose Acronis if

Integrated data protection and cybersecurity for any environment

  • You want all-in-one solution
  • You want enterprise features
  • Your work is security-shaped, not vulnerability scanning-shaped
Nessus

Choose Nessus if

Vulnerability assessment scanner

  • You want industry standard scanner
  • You want good vulnerability detection
  • Your work is vulnerability scanning-shaped, not security-shaped
FeatureAcronisNessus
Pricing ModelPaidPaid
User Rating
4.6/5
2,269 reviews
4.6/5
402 reviews
Categories
SecurityCloud & Infrastructure
Vulnerability ScanningSecurity

In-Depth Analysis

AcronisAcronis

Integrated data protection and cybersecurity for any environment

Starts at $49.99/mo
Fair value

Acronis' pricing is on the higher side, especially for the Advanced and Premium tiers.

Watch out

Storage overage fees not specified

Strengths

  • +All-in-one solution
  • +Enterprise features
  • +Ransomware protection

Weaknesses

  • -Complex pricing
  • -Resource heavy

Key features

Cyber protectionBackup & recoveryAnti-malwareRansomware protectionDisaster recoveryCloud backup

NessusNessus

Vulnerability assessment scanner

Starts at $2990/mo
Good value

Nessus offers a fair entry point with its free tier, but the Professional tier at $2990/year is quite expensive for basic vulnerability scanning compared to some market alternatives.

Strengths

  • +Industry standard scanner
  • +Good vulnerability detection
  • +Comprehensive coverage
  • +Good reporting
  • +Active development

Weaknesses

  • -Expensive
  • -Learning curve
  • -Resource intensive
  • -Per-asset pricing
  • -Better alternatives exist

Key features

Vulnerability scannerCompliance checksConfiguration auditMalware detectionReportsEnterprise

Pricing: Acronis vs Nessus

PlanAcronisNessus
Tier 1
$49.99
Essentials
Free
Essentials (Free)
Tier 2
$57.99
Advanced
$2990
Professional
Tier 3
$124.99
Premium
$5890
Expert

Pricing verified from each vendor's public pricing page. Compare in detail on Acronis pricing and Nessus pricing.

Who Should Use What?

On a budget?

Both are paid. Compare plans on their websites.

Go with: Nessus

Want the highest-rated option?

Acronis: 4.6/5 (2,269 reviews). Nessus: 4.6/5 (402 reviews).

Go with: Acronis

Value user reviews?

Acronis: 2,269 reviews (4.6/5). Nessus: 402 reviews (4.6/5).

Go with: Acronis

3 Questions to Help You Decide

1

What's your budget?

Both are paid. Pricing won't help you decide here.

2

What's your use case?

Acronis is a security tool. Nessus is in vulnerability scanning. Pick the category that matches your needs.

3

How important are ratings?

Both are rated 4.6/5.

Key Takeaways

Nessus

  • Our pick for this comparison

Acronis

  • Larger review base (2,269 reviews)
  • Better fit for security

The Bottom Line

Nessus wins this matchup. Our overall Security pick is 1Password. Our free Security pick is Intruder.

Frequently Asked Questions

Is Acronis or Nessus better?

Nessus is rated in our evaluation. Both are paid.

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 is a paid tool. Nessus is a paid tool. Visit their websites for detailed pricing.

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