
Nessus
AlienVault USM (from AT&T Cybersecurity)
Tenable.io
Cloudfogger
BoxCryptor
Mega
Google Drive
Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.

UptimeRobot
Pingdom
Oh Dear!
StatusCake
Better Stack
Cronitor
DownCTL helps web professionals monitor client websites, domains, SSL, DNS, APIs, and service health from one dashboard. Starting at $9.99/mo.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | qualys.com | downctl.com |
| Pricing | ||
| Company | Startup from the United States | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Qualys yet.
DownCTL helps web professionals who manage multiple client sites replace a scattered stack of monitoring tools with one dashboard. It checks uptime, SSL certificate expiry, domain and DNS expiration, API and form endpoints, scheduled/cron jobs, sitemap health, page crawl issues, and Lighthouse...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Qualys is recommended for businesses of all sizes that need a cloud-based, scalable, and comprehensive security solution. It's particularly beneficial for organizations that require vulnerability management, compliance monitoring, and those operating in highly regulated industries where security is paramount.
No analysis of DownCTL yet.
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Qualys and DownCTL.
DownCTL's answer:
Most tools stop at "your site is down." DownCTL covers uptime, SSL/domain/DNS expiry, APIs and form endpoints, cron jobs and background tasks, third-party/vendor status, and app errors — then carries that signal through the whole lifecycle: check fails → alert fires → incident opens → status page updates → client's informed → it rolls into their report. One platform, start to finish, instead of monitoring in one tool and explaining it to clients by hand.
DownCTL's answer:
DownCTL is built around managing a portfolio of client websites, not a single site. It combines uptime, SSL/domain/DNS, API, cron job, internal and external port, third party vendor, and server performance monitoring into one dashboard. When something goes wrong it tells the full story. It also monitors SEO metrics and content, looking for broken links, missing images, and missing/incorrectly formatted files. It includes a branded client status pages and automated reports to close the loop with clients. Its the workflow an agency or freelancer needs, in one dashboard instead of five separate tools.
Share your experience with using Qualys and DownCTL. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Qualys Container Security is one of 21 applications that fall under the Qualys Cloud Platform umbrella. The Cloud Platform is available for the cloud and on-premises container deployments. Qualys’ Container Runtime...
Qualys is a cloud-based application security scanner that is known for its ability to crawl every corner of your IT network’s portfolio to detect all types of web assets. It grants users full 24/7 visibility of their...
Qualys is a cloud platform that continuously detects and protects against attacks anytime, anywhere. It is next-generation vulnerability management for hybrid IT environments. Qualys’ integrated approach to IT...
We have no reviews of DownCTL yet. Be the first one to post
When comparing Qualys and DownCTL, you can also consider the following products.

Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.
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AlienVault USM Anywhere delivers powerful threat detection, incident response, and compliance management for cloud, on-premises, and hybrid environments.
Compare AlienVault USM (from AT&T Cybersecurity) to Qualys or DownCTL:

With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
Compare Pingdom to Qualys or DownCTL:

Tenable.io Cyber Exposure platform helps to protect any asset on any computing platform and eliminate blind spots.
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Website health monitoring for your entire site, not just the homepage.
Compare Oh Dear! to Qualys or DownCTL: