Softwr

Customer Support · head to head

Kustomer vs Nessus

Kustomer logo

Kustomer

Customer Support

The future of customer service

From
On request
Rated
-
Full reviewWebsite
Nessus logo

Nessus

Cybersecurity

The most trusted vulnerability assessment solution

From
$4790/year
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Kustomer pricing not published; requires customised sales assessment and quote for exact costs; Nessus nessus Professional is $4,790 for one year, with no free or low cost commercial tier
  • They diverge on capability: Kustomer covers Unified customer view, Nessus covers Vulnerability scanning.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Kustomer and Nessus actually diverge.

Attributes where Kustomer and Nessus differ
AttributeKustomerNessus
Starting priceOn request$4790/year
Pricing modelquotesubscription
PlatformsWeb, CloudDesktop, Api
CategoryCustomer SupportCybersecurity
Founded20152002

Identical on both: 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 Kustomer

  • Unified customer view
  • AI automation
  • Omnichannel
  • Workflow automation
  • Knowledge base
  • Analytics
  • Shopify
  • Magento

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.

Kustomer

  • Large B2C and B2B organisations managing 600+ customer support interactions across omnichannel platformsnot Nessus
  • Retail, financial services, travel and hospitality sectors requiring integrated AI-powered supportnot Nessus
  • Enterprises seeking customer 360 views and advanced workflow automationnot Nessus

Nessus

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

Where each one falls short

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

Kustomer

  • Pricing not published; requires customised sales assessment and quote for exact costs
  • Voice (call), SMS, and WhatsApp support operate on separate pay-as-you-go pricing models
  • Customisation-based pricing structure means no transparent cost comparison with competitors

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

Kustomer

On request

No published plan breakdown. See the Kustomer review.

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 Kustomer if

  • You need unified customer view.
  • You work on Web, Cloud.
  • You also want ai automation.
Kustomer review

Choose Nessus if

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

Questions people ask

Is Kustomer or Nessus better?
Neither clearly leads. Kustomer starts at On request and Nessus at $4790/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Kustomer or Nessus?
Kustomer starts at On request and Nessus at $4790/year.
Does Kustomer or Nessus run on more platforms?
Kustomer runs on Web, Cloud. Nessus runs on Desktop, Api.
What is Kustomer best used for?
Kustomer is most often used for large b2c and b2b organisations managing 600+ customer support interactions across omnichannel platforms, retail, financial services, travel and hospitality sectors requiring integrated ai-powered support, enterprises seeking customer 360 views and advanced workflow automation. Of those, large b2c and b2b organisations managing 600+ customer support interactions across omnichannel platforms and retail, financial services, travel and hospitality sectors requiring integrated ai-powered support are not what Nessus is typically brought in for.
What can Kustomer do that Nessus cannot?
Kustomer covers Unified customer view, AI automation, Omnichannel, Workflow automation. Nessus covers Vulnerability scanning, Configuration auditing, Malware detection, Web application scanning.

Answered from the vendors’ own pages

Kustomer: How much does Kustomer cost?

Kustomer uses a custom, quote-based pricing model and does not publish standard rates. Every CX team setup is different, so pricing varies based on company size, number of support agents, and monthly conversation volume.

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
Kustomer: How do I get a Kustomer pricing quote?

Complete a 2-minute ROI calculator assessment that gathers information about your industry, company size, agent count, and monthly conversation volume. Results provide directional pricing estimates before sales connects with you.

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
Kustomer: Are there add-on costs for Kustomer features?

Yes, add-on services include HIPAA Enabled Subscription, implementation services, Voice, SMS, and WhatsApp support on a pay-as-you-go model.

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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