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Cloud · head to head

IBM Cloud vs Nessus

IBM Cloud logo

IBM Cloud

Cloud

Enterprise cloud solutions from a trusted partner

From
Free
Rated
-
Full reviewWebsite
Nessus logo

Nessus

Cybersecurity

The most trusted vulnerability assessment solution

From
$4790/year
Rated
-
Full reviewWebsite

The short version

  • Only IBM Cloud has a free tier, so it costs nothing to try first.
  • Each has a real cost: IBM Cloud the USD 200 starter cloud credit is valid for 30 days only; Nessus nessus Professional is $4,790 for one year, with no free or low cost commercial tier
  • They diverge on capability: IBM Cloud covers Virtual Servers, Nessus covers Vulnerability scanning.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which IBM Cloud and Nessus actually diverge.

Attributes where IBM Cloud and Nessus differ
AttributeIBM CloudNessus
Starting priceFree$4790/year
Pricing modelusage-basedsubscription
Free tierYesNo
PlatformsLinux, Windows, Api, CliDesktop, Api
CategoryCloudCybersecurity
Founded20132002

Identical on both: 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 IBM Cloud

  • Virtual Servers
  • Bare Metal
  • Cloud Foundry
  • Kubernetes
  • Watson AI
  • Blockchain
  • Databases
  • API Gateway

Only in Nessus

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

Both cover

  • Cloud deployment
  • On-premise deployment

What people use each for

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

IBM Cloud

  • Running containerized and VM workloads on IBM's public cloudnot Nessus
  • Building on Watson APIs and IBM middleware as managed servicesnot Nessus

Nessus

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

Where each one falls short

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

IBM Cloud

  • The USD 200 starter cloud credit is valid for 30 days only
  • The larger promotional credits are time boxed: USD 1,000 for Bare Metal Servers for VPC over 120 days, USD 2,500 for Power Virtual Server over 90 days, and USD 5,000 for Backup and Recovery over 90 days
  • The USD 5,000 Backup and Recovery promotion is valid for new clients only and requires a checkout promo code
  • The listed promotions carry an expiry date of 31 December 2026
  • Beyond the free tier the account is pay as you go, so cost tracks usage with no published cap

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

Pricing, plan by plan

IBM Cloud

Free
  • Lite PlanFree
    • Free services
    • Limited resources
    • 30-day trial
  • Standard PlanFree
    • Pay-as-you-go
    • Enterprise support
    • Advanced services

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

Which should you pick?

Choose IBM Cloud if

  • You need virtual servers.
  • You want to start without paying.
  • You work on Linux, Windows, Api, Cli.
  • You also want bare metal.
IBM Cloud review

Choose Nessus if

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

Questions people ask

Is IBM Cloud or Nessus better?
Neither clearly leads. IBM Cloud starts at Free and Nessus at $4790/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, IBM Cloud or Nessus?
IBM Cloud has a free tier; the other does not. Paid plans start at Free for IBM Cloud and $4790/year for Nessus.
Does IBM Cloud or Nessus run on more platforms?
IBM Cloud runs on Linux, Windows, Api, Cli. Nessus runs on Desktop, Api.
Can I use IBM Cloud for free?
Yes. IBM Cloud has a free tier, so you can try it without paying. Nessus starts at $4790/year.
What is IBM Cloud best used for?
IBM Cloud is most often used for running containerized and vm workloads on ibm's public cloud, building on watson apis and ibm middleware as managed services. Of those, running containerized and vm workloads on ibm's public cloud and building on watson apis and ibm middleware as managed services are not what Nessus is typically brought in for.
What can IBM Cloud do that Nessus cannot?
IBM Cloud covers Virtual Servers, Bare Metal, Cloud Foundry, Kubernetes. Nessus covers Vulnerability scanning, Configuration auditing, Malware detection, Web application scanning. Both handle Cloud deployment, On-premise deployment.

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
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
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
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