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Government · head to head

IAPro vs Nessus

IAPro logo

IAPro

Government

Internal Affairs Case Management

From
$500/month
Free plan
No
Full reviewWebsite
Nessus logo

Nessus

Cybersecurity

The most trusted vulnerability assessment solution

From
$4790/year
Free plan
No
Full reviewWebsite

The short version

  • Each has a real cost: IAPro a public university's procurement documentation for IAPro (CI Technologies, acquired by Versaterm Public Safety in 2023) states the software is sold as an unlimited-use license covering all concurrent users and workstations with no additional or hidden licensing costs, and the first year of annual maintenance is included free; no dollar figure for that license was disclosed in the document, so total cost is not visible without a direct quote.; Nessus nessus Professional is $4,790 for one year, with no free or low cost commercial tier
  • They diverge on capability: IAPro covers Case Management, Nessus covers Vulnerability scanning.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which IAPro and Nessus actually diverge.

Attributes where IAPro and Nessus differ
AttributeIAProNessus
Starting price$500/month$4790/year
PlatformsWeb, DesktopDesktop, Api
CategoryGovernmentCybersecurity
Founded19972002

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 IAPro

  • Case Management
  • Early Warning System
  • Use of Force Tracking
  • Analytics
  • Reporting
  • CAD Systems
  • RMS
  • HR Systems

Only in Nessus

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

What people use each for

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

IAPro

  • Citizen Servicesnot Nessus
  • Records Managementnot Nessus
  • Public Safetynot Nessus
  • Civic Engagementnot Nessus

Nessus

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

Where each one falls short

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

IAPro

  • A public university's procurement documentation for IAPro (CI Technologies, acquired by Versaterm Public Safety in 2023) states the software is sold as an unlimited-use license covering all concurrent users and workstations with no additional or hidden licensing costs, and the first year of annual maintenance is included free; no dollar figure for that license was disclosed in the document, so total cost is not visible without a direct quote.

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

IAPro

$500/month
  • IAPro$500/month
    • Case Management
    • Early Warning
    • Analytics

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 IAPro if

  • You need case management.
  • You work on Web, Desktop.
  • You also want early warning system.
IAPro review

Choose Nessus if

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

Questions people ask

Is IAPro or Nessus better?
Neither clearly leads. IAPro starts at $500/month and Nessus at $4790/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, IAPro or Nessus?
IAPro starts at $500/month and Nessus at $4790/year.
Does IAPro or Nessus run on more platforms?
IAPro runs on Web, Desktop. Nessus runs on Desktop, Api.
What is IAPro best used for?
IAPro is most often used for citizen services, records management, public safety, civic engagement. Of those, citizen services and records management are not what Nessus is typically brought in for.
What can IAPro do that Nessus cannot?
IAPro covers Case Management, Early Warning System, Use of Force Tracking, Analytics. Nessus covers Vulnerability scanning, Configuration auditing, Malware detection, Web application scanning.

Answered from the vendors’ own pages

IAPro: How much does IAPro cost?

Pricing is not published. IAPro is an enterprise solution for professional standards management with custom pricing based on organizational needs.

Source
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
IAPro: Can I try IAPro before committing to a purchase?

No self-serve trial is mentioned. The site directs interested parties to book a consultation with the sales team to discuss evaluation options.

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
IAPro: How do I request a quote or demo?

Contact Versaterm directly at 613-820-0311, 1-866-729-2947, or use the contact form at their website. They offer consultation booking for enterprise prospects.

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
IAPro: What is the typical contract length?

Contract terms are not disclosed on the website. As an enterprise product, terms are negotiated individually during the sales process.

Source
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