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Cybersecurity · head to head

Nessus vs RubyMine

Nessus logo

Nessus

Cybersecurity

The most trusted vulnerability assessment solution

From
$4790/year
Free plan
No
Full reviewWebsite
RubyMine logo

RubyMine

Developer Tools

JetBrains IDE for Ruby and Ruby on Rails development

From
$24/month
Free plan
No
Full reviewWebsite

The short version

  • Each has a real cost: Nessus nessus Professional is $4,790 for one year, with no free or low cost commercial tier; RubyMine no permanently free tier for commercial use; requires an ongoing subscription.
  • They diverge on capability: Nessus covers Vulnerability scanning, RubyMine covers Rails-aware coding assistance.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Nessus and RubyMine actually diverge.

Attributes where Nessus and RubyMine differ
AttributeNessusRubyMine
Starting price$4790/year$24/month
PlatformsDesktop, Apiwindows, mac, linux
CategoryCybersecurityDeveloper Tools
Founded20022000

Identical on both: pricing model (subscription), free tier (No), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Nessus

  • Vulnerability scanning
  • Configuration auditing
  • Malware detection
  • Web application scanning
  • Cloud scanning
  • Compliance checks
  • Patch auditing
  • Pre-built policies

Only in RubyMine

  • Rails-aware coding assistance
  • Integrated debugger
  • Test runner integration
  • Database tools
  • Version control integration
  • Docker support

What people use each for

The jobs each tool is most often brought in to do.

Nessus

  • Vulnerability scanning for individual practitionersnot RubyMine
  • Enterprise vulnerability managementnot RubyMine
  • Web application security assessmentsnot RubyMine

RubyMine

  • Building and maintaining Ruby on Rails applicationsnot Nessus
  • Debugging Ruby web applicationsnot Nessus
  • Running and managing RSpec or Minitest suitesnot Nessus
  • Working across Ruby, JavaScript, and SQL in one projectnot Nessus

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Nessus

  • Nessus Professional is $4,790 for one year, with no free or low cost commercial tier
  • Multi year terms are the only discount route, at $9,330.95 for two years and $13,637.54 for three
  • It is a single user scanner, so team workflows mean migrating to another Tenable product
  • Tenable One vulnerability management is priced separately, starting at $3,500 a year for 100 assets

RubyMine

  • No permanently free tier for commercial use; requires an ongoing subscription.
  • More resource-intensive than lightweight editors such as Sublime Text.
  • Focused primarily on Ruby, so polyglot teams may prefer IntelliJ IDEA Ultimate with plugins instead.
  • Startup time can be slower than simpler text editors on older hardware.

Pricing, plan by plan

Nessus

$4790/year
  • Nessus Professional$4790/year
    • 1 year license
    • Best for individual security professionals
  • Nessus Professional 2-Year$9330.95/2 years
    • 2 year license with discounted rate vs. annual
  • Nessus Professional 3-Year$13637.54/3 years
    • 3 year license with discounted rate vs. annual
  • Nessus Expert$6790/year
    • 1 year license
    • Enhanced capabilities vs. Professional

RubyMine

$24/month
  • Individual$24/month
    • Personal use license
    • Access to RubyMine
    • Free for students and open-source maintainers
  • Organization$34/month
    • Business use license
    • Access to RubyMine
    • Volume and renewal discounts

Which should you pick?

Choose Nessus if

  • You need vulnerability scanning.
  • You work on Desktop, Api.
  • You also want configuration auditing.
Nessus review

Choose RubyMine if

  • You need rails-aware coding assistance.
  • You work on windows, mac, linux.
  • You also want integrated debugger.
RubyMine review

Questions people ask

Is Nessus or RubyMine better?
Neither clearly leads. Nessus starts at $4790/year and RubyMine at $24/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Nessus or RubyMine?
Nessus starts at $4790/year and RubyMine at $24/month.
Does Nessus or RubyMine run on more platforms?
Nessus runs on Desktop, Api. RubyMine runs on windows, mac, linux.
What is Nessus best used for?
Nessus is most often used for vulnerability scanning for individual practitioners, enterprise vulnerability management, web application security assessments. Of those, vulnerability scanning for individual practitioners and enterprise vulnerability management are not what RubyMine is typically brought in for.
What can Nessus do that RubyMine cannot?
Nessus covers Vulnerability scanning, Configuration auditing, Malware detection, Web application scanning. RubyMine covers Rails-aware coding assistance, Integrated debugger, Test runner integration, Database tools.

Answered from the vendors’ own pages

Nessus: What is the cheapest Nessus option?

Nessus Professional starts at $4,790 per year for a 1-year license. Multi-year commitments offer discounts, with 2-year licenses at $9,330.95 and 3-year licenses at $13,637.54.

Source
RubyMine: How much does RubyMine cost?

RubyMine is sold as a JetBrains Toolbox subscription starting around $24/month for individuals and $34/month for organizations, with free licenses available for students and open-source maintainers.

Source
Nessus: What is the difference between Nessus Professional and Expert?

Nessus Expert costs $6,790 per year for a 1-year license (compared to $4,790 for Professional) and includes enhanced capabilities. Multi-year rates are available at discounted prices.

Source
RubyMine: Is there a free trial?

JetBrains provides a free trial period for RubyMine so developers can evaluate it before purchasing a subscription.

Source
Nessus: Does Nessus offer optional support or training?

Yes, Nessus offers add-on services: Advanced Support at $400/year provides 24x365 access to phone, email, community, and chat support. On-Demand Training costs $275/year for Fundamentals course access or $385/year for both Fundamentals and Advanced courses.

Source
RubyMine: What platforms does RubyMine support?

RubyMine runs as a desktop application on Windows, macOS, and Linux via JetBrains Toolbox.

Source
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