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Cybersecurity · head to head

Nessus vs Zuora

Nessus logo

Nessus

Cybersecurity

The most trusted vulnerability assessment solution

From
$4790/year
Rated
-
Full reviewWebsite
Zuora logo

Zuora

Accounting

Subscription billing and revenue recognition for companies whose pricing is too complex for a payments platform

From
$29/month
Rated
-
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; Zuora pricing includes a component tied to the volume you bill, so the fee rises with your own commercial success in a way a flat platform charge does not, and the renewal conversation after a strong year is a different negotiation from the original one.
  • They diverge on capability: Nessus covers Vulnerability scanning, Zuora covers Product catalogue.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Nessus and Zuora actually diverge.

Attributes where Nessus and Zuora differ
AttributeNessusZuora
Starting price$4790/year$29/month
PlatformsDesktop, ApiWeb, Api
CategoryCybersecurityAccounting
Founded20022007

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 Zuora

  • Product catalogue
  • Amendment engine
  • Usage rating
  • Recurring invoicing
  • Payments and collections
  • Revenue recognition
  • Quoting and CPQ
  • Multi entity and multi currency

What people use each for

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

Nessus

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

Zuora

  • A software company whose contracts routinely change mid term and whose current billing tool cannot prorate an amendment correctlynot Nessus
  • A business moving from perpetual licences to subscriptions that needs both the billing and the revenue recognition to hold up under auditnot Nessus
  • A usage based product where metered consumption has to be rated against tiers and commitments before it can be invoicednot Nessus
  • A group billing across several legal entities and currencies that has been reconciling invoices in spreadsheetsnot 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

Zuora

  • Pricing includes a component tied to the volume you bill, so the fee rises with your own commercial success in a way a flat platform charge does not, and the renewal conversation after a strong year is a different negotiation from the original one.
  • Implementation is a multi quarter project that normally requires a systems integrator, so the first year cost is dominated by services rather than subscription, and the internal cost of finance and engineering time on catalogue and process design is larger still.
  • Product catalogue decisions made during implementation constrain what you can price and report for years, and changing them later means reworking live subscriptions and the revenue history attached to them rather than editing a configuration.
  • It is a subsidiary system rather than the general ledger, so someone has to own the reconciliation between billing, revenue and the accounts every period, and a mapping error surfaces as an unexplained variance in the close rather than as an obvious failure.
  • Billing and revenue are separate products with separate implementations, so a company that buys billing first and adds revenue later runs a second project against data models that were not designed together in the first place.

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

Zuora

$29/month
  • LaunchFree
    • Up to $100K revenue
    • Core billing
    • Basic reporting
  • ScaleFree
    • Custom pricing
    • Advanced billing
    • Revenue automation

Which should you pick?

Choose Nessus if

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

Choose Zuora if

  • You need product catalogue.
  • You work on Web, Api.
  • You also want amendment engine.
Zuora review

Questions people ask

Is Nessus or Zuora better?
Neither clearly leads. Nessus starts at $4790/year and Zuora at $29/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Nessus or Zuora?
Nessus starts at $4790/year and Zuora at $29/month.
Does Nessus or Zuora run on more platforms?
Nessus runs on Desktop, Api. Zuora runs on Web, Api.
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 Zuora is typically brought in for.
What can Nessus do that Zuora cannot?
Nessus covers Vulnerability scanning, Configuration auditing, Malware detection, Web application scanning. Zuora covers Product catalogue, Amendment engine, Usage rating, Recurring invoicing.

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
Zuora: When is a company ready for Zuora rather than a simpler billing tool?

When the pricing model breaks the simpler tool: mid term amendments, ramps, usage tiers, multi entity billing or a revenue recognition requirement. Companies with flat monthly plans and few changes do not need it and will not enjoy paying for it.

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
Zuora: Does Zuora replace our accounting system?

No. It is a billing and revenue subledger that posts journals to your general ledger. You still need the ledger and someone owning the reconciliation between them.

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
Zuora: How long does an implementation take?

Plan in quarters. Catalogue design, order to cash process definition, data migration of existing subscriptions and ledger mapping each take real time, and the migration of live contracts is usually the hardest part.

Zuora: Does it calculate sales tax and VAT?

It integrates with third party tax engines rather than maintaining rates itself. Budget for that engine as a separate subscription and a separate integration.

Zuora: What changed when the company was taken private in 2025?

Ownership, not the product. As with any private equity owned platform, pay attention to renewal pricing behaviour and to roadmap commitments made verbally rather than contractually.

Zuora: Can we migrate our existing subscriptions in?

Yes, and it is the part of the project people underestimate. Every live contract has to arrive with its amendment history intact if the revenue schedules are to be right, so the migration is an accounting exercise as much as a data one.

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