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Cybersecurity · head to head

Qualys VMDR vs Zencity

Qualys VMDR logo

Qualys VMDR

Cybersecurity

Cloud-delivered vulnerability management licensed per asset, using scanner appliances and a lightweight agent.

From
$3/month
Free plan
No
Full reviewWebsite
Zencity logo

Zencity

Government

Resident sentiment analysis combining organic social listening with representative surveys

From
On request
Free plan
No
Full reviewWebsite

The short version

  • Each has a real cost: Qualys VMDR licensing is per asset and each capability is its own subscription, so patch management, endpoint detection, web application scanning, container security and policy compliance are separate line items, and the platform demonstrated in a proof of concept is rarely the platform in the quote.; Zencity social listening is structurally biased toward residents who post, so a city using the listening product without the survey product will consistently mistake volume for consensus.
  • They diverge on capability: Qualys VMDR covers Cloud Agent, Zencity covers Organic social listening.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Qualys VMDR and Zencity actually diverge.

Attributes where Qualys VMDR and Zencity differ
AttributeQualys VMDRZencity
Starting price$3/monthOn request
Pricing modelsubscriptionquote
PlatformsWeb, Cloud, ApiWeb
CategoryCybersecurityGovernment
Founded1999Unknown

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 Qualys VMDR

  • Cloud Agent
  • Scanner appliances
  • Authenticated scanning
  • TruRisk scoring
  • Asset inventory
  • Patch Management
  • Cloud connectors
  • Container sensor

Only in Zencity

  • Organic social listening
  • Representative surveys
  • Community trust surveys
  • Topic and sentiment analysis
  • Service request integration
  • Leadership reporting

What people use each for

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

Qualys VMDR

  • A hybrid workforce where scheduled network scans miss most laptops and continuous agent-based assessment is the only way to get real coveragenot Zencity
  • PCI DSS external scanning where an approved scanning vendor report is a contractual requirementnot Zencity
  • An estate spanning datacentre, multiple public clouds and endpoints that needs one vulnerability view rather than three toolsnot Zencity
  • Organisations replacing a manual patch-verification process with agent-reported evidence that a fix actually landednot Zencity

Zencity

  • A city manager deciding whether a social media outcry reflects a representative viewnot Qualys VMDR
  • A police department measuring community trust with a sampled instrument rather than complaint volumenot Qualys VMDR
  • A communications team wanting early warning on a service issue before it reaches councilnot Qualys VMDR
  • A council needing resident input on a policy without running its own survey operationnot Qualys VMDR

Where each one falls short

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

Qualys VMDR

  • Licensing is per asset and each capability is its own subscription, so patch management, endpoint detection, web application scanning, container security and policy compliance are separate line items, and the platform demonstrated in a proof of concept is rarely the platform in the quote.
  • Ephemeral cloud instances consume asset entitlement until they age out of inventory, so an autoscaling group that creates and destroys hosts hourly can burn licence capacity on machines that existed for minutes, and controlling that means tuning purge policies rather than tuning the cloud.
  • Authenticated scanning produces materially better results than unauthenticated, but it requires storing and rotating privileged credentials for every target platform, which is a security project in its own right, and teams that skip it receive reports full of unconfirmed potential findings that nobody trusts.
  • The console is a set of modules with separate interfaces, search syntaxes and report engines, so an analyst moving between vulnerability management, policy compliance and web application scanning learns each one, and cross-module reporting usually ends in a spreadsheet or a script against the API.
  • The tool surfaces findings far faster than any organisation can remediate them, and it does not solve the ownership problem: without an agreed prioritisation policy and a named owner in IT operations, a first scan producing tens of thousands of findings becomes a dashboard that everyone learns to ignore.

Zencity

  • Social listening is structurally biased toward residents who post, so a city using the listening product without the survey product will consistently mistake volume for consensus.
  • Government analysis of residents' public speech, particularly by police departments, has drawn civil liberties criticism and records request scrutiny in United States cities, and agencies need a public answer ready before signing.
  • Sentiment classification of local slang, sarcasm and non English posts is imperfect, and a misclassified theme presented in a leadership briefing can be acted on before anyone checks the underlying posts.
  • Survey sample sizes at neighbourhood level are often small, so the district level breakdowns that councils most want are the least reliable numbers in the report.
  • It reports on opinion without connecting to service delivery systems, so acting on a finding remains a separate manual process in whatever operational software the agency runs.

Pricing, plan by plan

Qualys VMDR

$3/month
  • VMDR$3/month
    • Per asset
    • Vulnerability scanning
    • Detection
  • VMDR+$5/month
    • All VMDR features
    • Advanced analytics
    • Cloud integration
  • VMDR Complete$7/month
    • All VMDR+ features
    • Threat intel
    • Response automation

Zencity

On request
  • Zencity$undefined/year
    • Quoted annually by population served and module scope
    • Survey programmes priced separately from the listening platform
    • Police community trust surveying sold as its own line

Which should you pick?

Choose Qualys VMDR if

  • You need cloud agent.
  • You work on Web, Cloud, Api.
  • You also want scanner appliances.
Qualys VMDR review

Choose Zencity if

  • You need organic social listening.
  • You also want representative surveys.
Zencity review

Questions people ask

Is Qualys VMDR or Zencity better?
Neither clearly leads. Qualys VMDR starts at $3/month and Zencity at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Qualys VMDR or Zencity?
Qualys VMDR starts at $3/month and Zencity at On request.
Does Qualys VMDR or Zencity run on more platforms?
Qualys VMDR runs on Web, Cloud, Api. Zencity runs on Web.
What is Qualys VMDR best used for?
Qualys VMDR is most often used for a hybrid workforce where scheduled network scans miss most laptops and continuous agent-based assessment is the only way to get real coverage, pci dss external scanning where an approved scanning vendor report is a contractual requirement, an estate spanning datacentre, multiple public clouds and endpoints that needs one vulnerability view rather than three tools, organisations replacing a manual patch-verification process with agent-reported evidence that a fix actually landed. Of those, a hybrid workforce where scheduled network scans miss most laptops and continuous agent-based assessment is the only way to get real coverage and pci dss external scanning where an approved scanning vendor report is a contractual requirement are not what Zencity is typically brought in for.
What can Qualys VMDR do that Zencity cannot?
Qualys VMDR covers Cloud Agent, Scanner appliances, Authenticated scanning, TruRisk scoring. Zencity covers Organic social listening, Representative surveys, Community trust surveys, Topic and sentiment analysis.

Answered from the vendors’ own pages

Qualys VMDR: Agent or scanner: which do I need?

Usually both. The agent covers endpoints and servers you control and gives continuous data; scanners cover devices you cannot install an agent on, such as network gear, printers and appliances, and provide the external perimeter view.

Zencity: Is this surveillance of residents?

It analyses publicly posted content and aggregated survey responses rather than private accounts, but the distinction has been contested publicly, especially for police use. Prepare an explanation before procurement.

Qualys VMDR: Does it patch as well as detect?

Yes, through the Patch Management module, which is a separate subscription using the same agent. Core VMDR detects and prioritises but does not deploy fixes.

Zencity: Why pair listening with surveys?

Because the people who post are not representative of the people who live there. The gap between the two datasets is often the most useful output.

Qualys VMDR: How are assets counted for licensing?

By the number of assets in inventory, which includes cloud instances and containers depending on the modules in use. Short-lived cloud assets count until they are purged, so purge settings directly affect what you consume.

Zencity: What did Zencity acquire?

Elucd, in 2021, which brought community trust survey methodology used with police departments.

Qualys VMDR: Can I keep the data in a specific region?

Yes. Qualys operates several regional platform instances and you choose which one your subscription lives on. Moving between them later is not trivial, so decide before onboarding.

Zencity: Can residents find out what our city bought?

Yes. These are public contracts and several have been obtained and published through records requests.

Qualys VMDR: Does it scan web applications?

Web Application Scanning is a separate module licensed per application, not part of core VMDR, and it is a dynamic scanner with the usual limits around authenticated flows in single-page applications.

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