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Government · head to head

CentralSquare vs Tenable Nessus

CentralSquare logo

CentralSquare

Government

Public Safety and Administration Software

From
$1500/month
Free plan
No
Full reviewWebsite
Tenable Nessus logo

Tenable Nessus

Cybersecurity

Network vulnerability scanner

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Only Tenable Nessus has a free tier, so it costs nothing to try first.
  • Each has a real cost: CentralSquare no pricing information is published on the website; Tenable Nessus nessus Professional is $4,790 for one year, sold as an annual licence rather than a per scan or usage based fee
  • They diverge on capability: CentralSquare covers Computer-Aided Dispatch, Tenable Nessus covers Network scanning.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which CentralSquare and Tenable Nessus actually diverge.

Attributes where CentralSquare and Tenable Nessus differ
AttributeCentralSquareTenable Nessus
Starting price$1500/monthFree
Free tierNoYes
PlatformsWeb, Desktop, Ios, AndroidWindows, Linux, Macos, Cloud
CategoryGovernmentCybersecurity
Founded20182002

Identical on both: pricing model (subscription), 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 CentralSquare

  • Computer-Aided Dispatch
  • Records Management
  • Jail Management
  • Fire RMS
  • Community Development
  • Esri ArcGIS
  • FBI CJIS
  • NCIC

Only in Tenable Nessus

  • Network scanning
  • Vulnerability detection
  • Configuration assessment
  • Malware detection
  • Compliance checking
  • Cloud security assessment
  • Mobile scanning
  • API access

What people use each for

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

CentralSquare

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

Tenable Nessus

  • Vulnerability scanning of servers, network devices and web applicationsnot CentralSquare
  • Configuration and compliance auditing against hardening benchmarksnot CentralSquare
  • Point in time assessments by consultants and penetration testersnot CentralSquare

Where each one falls short

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

CentralSquare

  • No pricing information is published on the website
  • Pricing model is not disclosed; visitors are directed to request a demo or contact sales

Tenable Nessus

  • Nessus Professional is $4,790 for one year, sold as an annual licence rather than a per scan or usage based fee
  • Support beyond the base entitlement costs an extra $400 per year for Advanced Support with 24x365 phone and chat access
  • The on demand training course is a separate $275 purchase for a single person for one year
  • Multi year discounts require paying for two or three years up front

Pricing, plan by plan

CentralSquare

$1500/month
  • Public Safety Suite$1500/month
    • CAD
    • Records Management
    • Mobile Solutions

Tenable Nessus

Free
  • Nessus EssentialsFree
    • Up to 16 ips
    • Network scanning
    • Vulnerability assessment
  • Nessus Professional$2600/year
    • Unlimited targets
    • Enterprise features
    • Advanced analytics
  • Nessus Expert$5200/year
    • All Professional features
    • Cloud integration
    • Advanced reporting

Which should you pick?

Choose CentralSquare if

  • You need computer-aided dispatch.
  • You work on Web, Desktop, Ios, Android.
  • You also want records management.
CentralSquare review

Choose Tenable Nessus if

  • You need network scanning.
  • You want to start without paying.
  • You work on Windows, Linux, Macos, Cloud.
  • You also want vulnerability detection.
Tenable Nessus review

Questions people ask

Is CentralSquare or Tenable Nessus better?
Neither clearly leads. CentralSquare starts at $1500/month and Tenable Nessus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, CentralSquare or Tenable Nessus?
Tenable Nessus has a free tier; the other does not. Paid plans start at $1500/month for CentralSquare and Free for Tenable Nessus.
Does CentralSquare or Tenable Nessus run on more platforms?
CentralSquare runs on Web, Desktop, Ios, Android. Tenable Nessus runs on Windows, Linux, Macos, Cloud.
Can I use Tenable Nessus for free?
Yes. Tenable Nessus has a free tier, so you can try it without paying. CentralSquare starts at $1500/month.
What is CentralSquare best used for?
CentralSquare is most often used for citizen services, records management, public safety, civic engagement. Of those, citizen services and records management are not what Tenable Nessus is typically brought in for.
What can CentralSquare do that Tenable Nessus cannot?
CentralSquare covers Computer-Aided Dispatch, Records Management, Jail Management, Fire RMS. Tenable Nessus covers Network scanning, Vulnerability detection, Configuration assessment, Malware detection.

Answered from the vendors’ own pages

CentralSquare: How much does CentralSquare cost?

CentralSquare does not publish pricing on its website. The company directs customers to request a demo or schedule a call with their sales team to discuss pricing.

Source
Tenable Nessus: What are the three Nessus offerings?

Nessus Essentials is a free introductory offering for educators, students, and career starters, limited to 16 IPs for scanning. Nessus Professional is designed for consultants and SMBs, providing unlimited IT scans across any location. Nessus Expert is the premium offering extending Professional with web application scanning, infrastructure-as-code scanning, and external attack surface assessment up to 5 domains.

Source
CentralSquare: What is CentralSquare's pricing model?

The pricing model is not disclosed. CentralSquare appears to use a custom quote or consultation-based approach, as the website does not mention subscription plans or tier-based pricing.

Source
Tenable Nessus: What OS platforms does Nessus support?

Nessus runs on Debian/Kali Linux, Fedora, FreeBSD, Mac OS X, Red Hat/CentOS, SUSE Linux, Ubuntu, and various Windows versions including Server 2008, 2012, and Windows 7-10.

Source
CentralSquare: Is there a free tier or trial?

No information about free tiers or trials is available on the website.

Source
Tenable Nessus: Can I use Nessus to scan third-party networks as a consultant?

Yes, Tenable permits you to use Nessus to scan third-party networks. Nessus Professional is ideal for consultants.

Source
CentralSquare: How do I get a pricing quote?

Contact CentralSquare through their website to request a demo or schedule a call with their sales team.

Source
Tenable Nessus: Can Nessus perform PCI external scanning?

Yes, you can use Nessus Professional to perform external network scans as required by the PCI DSS 11.2.2 requirement.

Source
Tenable Nessus: What additional features does Nessus Expert provide?

Web application scanning, which is dynamic application security testing (DAST) providing comprehensive visibility and insight into web application security issues; scanning code repositories for vulnerabilities; and assessing external attack surface with subdomain discovery.

Source
Tenable Nessus: What support options exist for Nessus Professional?

Standard Support includes software upgrades, patches, plugin access, and 24x7 support via chat and community portal. Advanced Support adds 24x7 phone access and committed SLAs: P1 less than 2 hours, P2 less than 4 hours, P3 less than 12 hours, P4 less than 24 hours.

Source
Tenable Nessus: How frequently are Nessus plugins updated?

Nessus plugins are updated daily, based on when vendors and security research sites publish new vulnerabilities.

Source
Tenable Nessus: How does licensing work in virtual machine environments?

Whether you are using Nessus in a physical or a virtual environment, the IP addresses or hosts that you are scanning from must be licensed.

Source
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