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Klocwork vs SonarQube Server (formerly SonarQube) comparison

Perforce and Sonar are both solutions in the Application Security Tools category. Perforce is ranked #18 with an average rating of 8.1, while Sonar is ranked #1 with an average rating of 8.3. Perforce holds a 1.4% mindshare in AS, compared to Sonar’s 22.7% mindshare. Additionally, 93% of Perforce users are willing to recommend the solution, compared to 81% of Sonar users who would recommend it.
Klocwork
Read 25 Klocwork reviews
  • 2,205 Views
  • 1,361 Comparison Views
93% willing to recommend
SonarQube Server (formerly ...
Read 116 SonarQube Server (formerly SonarQube) reviews
  • 28,881 Views
  • 21,354 Comparison Views
81% willing to recommend
 

Comparison Buyer's Guide

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Executive SummaryUpdated on Jun 15, 2025

SonarQube Server and Klocwork both compete in the static code analysis category. SonarQube has a slight edge in terms of feature breadth and open-source benefits, while Klocwork excels with its on-the-fly analysis capabilities enhancing efficiency.

Features: SonarQube offers language support for over 20 programming languages, integration with a wide range of CVS systems, and a time machine tool that aids decision-making. Its open-source nature and diverse plugins enable detailed code exploration and security integrations. Klocwork provides strong static code analysis, on-the-fly and incremental analysis, and custom checkers, which are advantageous for specific compliance needs.

Room for Improvement: SonarQube could improve in security requirement handling and advanced CI/CD pipeline support, as well as offering more dashboard flexibility and enhanced performance analysis. Klocwork needs to expand language support and refine its analysis engine to reduce false warnings and enhance reporting.

Ease of Deployment and Customer Service: SonarQube supports hybrid, cloud, and on-premises deployments, offering adaptability for varying infrastructures. It enjoys strong community support, though official support is costly. Klocwork primarily offers on-premises and private cloud support, focusing on effective technical support and customer service.

Pricing and ROI: SonarQube’s open-source version is cost-effective, though enterprise features are premium priced. It is generally affordable with beneficial ROI due to its comprehensive features. Klocwork offers competitive pricing that suits varied organizational needs, with its higher price justified by efficiency in code analysis and compliance.

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To learn more, read our detailed Klocwork vs. SonarQube Server (formerly SonarQube) Report (Updated: July 2025).
Buyer's Guide
Klocwork vs. SonarQube Server (formerly SonarQube)
July 2025
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Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

ROI

Sentiment score
6.2
Klocwork enhances code quality and compliance, improving efficiency in defect resolution, especially in automotive sectors, despite ROI measurement challenges.
Sentiment score
7.2
SonarQube Server boosts productivity, stability, and security through effective code analysis and vulnerability assessment, enhancing development processes.
The main ROI factors include efficiency and how we meet compliance standards for various automotive requirements.
For more quotes and insights, download the Klocwork report
We see productivity increasing based on the fact that the code review is mostly automated, allowing the developer to fix the code themselves before assigning it to someone else to review, thus receiving that ROI.
I have seen a return on the investment from SonarQube Server (formerly SonarQube) because the value it adds relates to static code analysis and vulnerability assessments needed for our FDA approval process.
For more quotes and insights, download the SonarQube Server (formerly SonarQube) report
KG
Sthembiso Zondi - PeerSpot reviewer
KH
 

Customer Service

Sentiment score
6.8
Klocwork's support is praised for responsiveness, effective problem-solving, and reducing user contact via comprehensive documentation, despite prioritization issues.
Sentiment score
6.2
SonarQube Server's support is valued for community resources and documentation, though free version technical support is limited.
The issue is not about the knowledge of the support but about the prioritization of the tickets they handle.
The customer support team is very responsive, proactive, and engages in conversations to ensure our needs are met.
During the initial phase when I did interact with the vendor, the support was satisfactory.
For more quotes and insights, download the Klocwork report
They showed us where we can actually get those granular level reporting extracted for Excel, which was a quick guide.
The community support is quite effective.
I would rate the technical support for SonarQube Server (formerly SonarQube) as a 10 because we have not faced any specific issues that required us to contact tech support, which is a very rare case.
For more quotes and insights, download the SonarQube Server (formerly SonarQube) report
KG
AA
PM
Sthembiso Zondi - PeerSpot reviewer
DB
KH
 

Scalability Issues

Sentiment score
6.7
Klocwork is scalable, efficient, and integrates well with SAST tools, suitable for teams of all sizes without scalability issues.
Sentiment score
7.1
SonarQube Server efficiently scales for various user volumes and project sizes, though infrastructure demands may rise in physical setups.
Klocwork supports our scalability needs without issues, even as project volumes increase.
The program-to-program enablement is scalable.
For more quotes and insights, download the Klocwork report
I would rate the scalability of SonarQube Server as a 10 because we can configure the server to scan multiple projects based on the number of lines.
I find SonarQube Server (formerly SonarQube) very scalable because we're able to create a new repository and integrate all the tools on that project and it just works.
For more quotes and insights, download the SonarQube Server (formerly SonarQube) report
AA
PM
KH
Sthembiso Zondi - PeerSpot reviewer
 

Stability Issues

Sentiment score
6.8
Klocwork is reliable and stable, effectively handling large codebases but requires significant computing power and faster updates.
Sentiment score
7.7
SonarQube Server is highly reliable, stable with minor issues often related to plugins or environments, and rarely crashes.
Installation is easy, and the solution is stable.
For more quotes and insights, download the Klocwork report
I think SonarQube Server (formerly SonarQube) is stable, and we did not face any problems unless there was a power outage or if the LAN cable was plugged out.
For more quotes and insights, download the SonarQube Server (formerly SonarQube) report
 

Room For Improvement

Klocwork needs improved language support, flexible reporting, better integration with Agile DevOps, and enhanced static and dynamic analysis.
SonarQube Server needs better issue detection, usability, language support, integration, customizable features, and AI-driven dynamic testing enhancements.
Klocwork should be able to analyze large codebases efficiently, supporting a desktop version for periodic small delta changes before pushing to the server.
We would like Klocwork to connect to Git and notify developers of issues tied to specific commits.
Klocwork sometimes provides too many additional warnings which require expertise to manage.
For more quotes and insights, download the Klocwork report
As soon as I see that they've got a new feature that integrates AI that is not as generative as other GenAI platforms that actually generate the code and help developers develop faster, I believe that capability is lacking.
If I fix some vulnerabilities today, they reappear in the next scan, and there will be completely different issues that need to be fixed.
For more quotes and insights, download the SonarQube Server (formerly SonarQube) report
KG
AA
PM
Sthembiso Zondi - PeerSpot reviewer
KH
 

Setup Cost

Klocwork's flexible pricing models are valued, though opinions vary on cost-effectiveness, catering to diverse organizational needs.
SonarQube Server provides cost-effective solutions for code quality, with competitive pricing and enhanced features for various project sizes.
It is less expensive than Coverity.
Klocwork was competitively priced, making it a cost-effective solution for us.
Klocwork's pricing seems attractive, as it uses a per-user license model that does not have a lot of overhead.
For more quotes and insights, download the Klocwork report
They always offer around a two-year contract, but we always take a one-year contract because it's expensive.
I would rate the pricing for SonarQube Server (formerly SonarQube) as an 8, where 1 is very cheap and 10 is very expensive, because Coverity is very expensive, and while SonarQube is not cheap, it is still less expensive than Coverity.
The freemium version of SonarQube Server offers excellent value, especially compared to the high costs of Snyk.
For more quotes and insights, download the SonarQube Server (formerly SonarQube) report
PM
AA
KG
Sthembiso Zondi - PeerSpot reviewer
KH
DB
 

Valuable Features

Klocwork provides efficient static code analysis with strong IDE integration, supporting multiple languages and enhancing code quality and collaboration.
SonarQube Server enhances code quality with language support, CI/CD integration, insightful dashboards, and an intuitive interface.
The most valuable feature of Klocwork is the static analysis tools, which help identify potential security threats and errors.
Klocwork positively impacts our organization as it's now part of our development flow, ensuring that all software we develop works as expected.
It takes just half a day to set up.
For more quotes and insights, download the Klocwork report
Some of the static code analysis capabilities are the most beneficial.
We use SonarQube Server's centralized management and visualization of code quality metrics on the dashboard because that's the executive dashboard that we send to the executives to show where we are in terms of quality, security, and where the company can improve.
The most valuable features of SonarQube Server (formerly SonarQube) for us include having control of the rules, enabling and disabling them.
For more quotes and insights, download the SonarQube Server (formerly SonarQube) report
AA
KG
GR
DB
Sthembiso Zondi - PeerSpot reviewer
KH
 

Categories and Ranking

Klocwork
Ranking in Application Security Tools
18th
Ranking in Static Application Security Testing (SAST)
16th
Average Rating
8.0
Reviews Sentiment
6.8
Number of Reviews
25
Ranking in other categories
Static Code Analysis (5th)
SonarQube Server (formerly ...
Ranking in Application Security Tools
1st
Ranking in Static Application Security Testing (SAST)
1st
Average Rating
8.0
Reviews Sentiment
7.2
Number of Reviews
116
Ranking in other categories
Software Development Analytics (1st)
 

Mindshare comparison

As of July 2025, in the Application Security Tools category, the mindshare of Klocwork is 1.4%, down from 1.4% compared to the previous year. The mindshare of SonarQube Server (formerly SonarQube) is 22.7%, down from 26.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Security Tools
 

Featured Reviews

AnirbanSarkar - PeerSpot reviewer
Lets you find defects during the development phase, so you don't have to wait till the development is over to find and address flaws
What needs improvement in Klocwork, compared to other products in the market, is the dashboard or reporting mechanisms that need to be a bit more flexible. The Klocwork dashboard could be improved. Though it's good, it's not as good as some of the other products in the market, which is a problem. The reporting could be more detailed and easier to sort out because sorting in Klocwork could be a bit more time-consuming, mainly when sorting defects based on filters, compared to how it's done on other tools such as Coverity. What I'd like added in the next release of Klocwork is the peer code review Cahoots which used to be a part of Klocwork, and the architecture analysis and both have been taken out of Klocwork. I found the two critical for specific deployments, so if those can be brought back to Klocwork, that would be very good.
Read full review
Sthembiso Zondi - PeerSpot reviewer
Consistent improvements in code quality and security with effective integration and reliable technical support
The features of SonarQube Server (formerly SonarQube) that I find most useful are the suggestions received from reviewing the code. When they review the code, they provide suggestions on how to fix it, and we find those very useful from a development perspective. We use SonarQube Server's (formerly SonarQube) centralized management and visualization of code quality metrics on the dashboard because that's the executive dashboard that we send to the executives to show where we are in terms of quality, security, and where the company can improve. We use that for organizational improvement purposes. The ability to tailor metrics tracking in SonarQube Server (formerly SonarQube) has been beneficial to my team. There are team-specific dashboards which are related to specific repositories they utilize, and we have that aggregative dashboard that shows the whole organization's performance. We can drill down per specific repository, which makes it easier for the team to improve specific things.
Read full review
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Top Industries

By visitors reading reviews
Manufacturing Company
24%
Educational Organization
13%
Computer Software Company
13%
Comms Service Provider
5%
Financial Services Firm
16%
Computer Software Company
15%
Manufacturing Company
13%
Government
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What do you like most about Klocwork?
It's integrated into our CI, continuous integration.
See all answers
What is your experience regarding pricing and costs for Klocwork?
Klocwork's pricing seems attractive, as it uses a per-user license model that does not have a lot of overhead.
See all answers
What needs improvement with Klocwork?
One area for improvement is that when customers use different static analysis tools, they report more issues compared to Klocwork. The static analysis engine of Klocwork has areas that need improve...
See all answers
Is SonarQube the best tool for static analysis?
I am not very familiar with SonarQube and their solutions, so I can not answer. But if you are asking me about which tools that are the best for for Static Code Analysis, I suggest you have a look...
See all answers
Which gives you more for your money - SonarQube or Veracode?
SonarQube is easy to deploy and configure, and also integrates well with other tools to do quality code analysis. SonarQube has a great community edition, which is open-source and free. Easy to use...
See all answers
How would you decide between Coverity and Sonarqube?
We researched Coverity, but in the end, we chose SonarQube. SonarQube is a tool for reviewing code quality and security. It helps to guide our development teams during code reviews by providing rem...
See all answers
 

Comparisons

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Coverity vs Klocwork
Compared 31% of the time
Polyspace Code Prover vs Klocwork Logo
Polyspace Code Prover vs Klocwork
Compared 13% of the time
Helix QAC vs Klocwork Logo
Helix QAC vs Klocwork
Compared 4% of the time
Parasoft SOAtest vs Klocwork Logo
Parasoft SOAtest vs Klocwork
Compared 3% of the time
OpenText Static Application Security Testing vs Klocwork Logo
OpenText Static Application Security Testing vs Klocwork
Compared 3% of the time
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Checkmarx One vs SonarQube Server (formerly SonarQube) Logo
Checkmarx One vs SonarQube Server (formerly SonarQube)
Compared 13% of the time
Coverity vs SonarQube Server (formerly SonarQube) Logo
Coverity vs SonarQube Server (formerly SonarQube)
Compared 13% of the time
GitHub Advanced Security vs SonarQube Server (formerly SonarQube) Logo
GitHub Advanced Security vs SonarQube Server (formerly SonarQube)
Compared 11% of the time
Veracode vs SonarQube Server (formerly SonarQube) Logo
Veracode vs SonarQube Server (formerly SonarQube)
Compared 7% of the time
Kiuwan vs SonarQube Server (formerly SonarQube) Logo
Kiuwan vs SonarQube Server (formerly SonarQube)
Compared 2% of the time
More SonarQube Server (formerly SonarQube) Competitors
 

Product Reports

Buyer's Guide
Klocwork
June 2025
Klocwork reportDownload Klocwork product report
Buyer's Guide
SonarQube Server (formerly SonarQube)
June 2025
SonarQube Server (formerly SonarQube) reportDownload SonarQube Server (formerly SonarQube) product report
 

Also Known As

No data available
Sonar
 

Interactive Demo

Demo not available
Perforce
Sonar
 

Overview

Klocwork detects security, safety, and reliability issues in real-time by using this static code analysis toolkit that works alongside developers, finding issues as early as possible, and integrates with teams, supporting continuous integration and actionable reporting.

Perforce

SonarQube Server enhances code quality and security via static code analysis. It detects vulnerabilities, improves standards, and reduces technical debt, integrating into CI/CD pipelines.

SonarQube Server is a comprehensive tool for enhancing code quality and security. It offers static code analysis to identify vulnerabilities, improve coding standards, and reduce technical debt. By integrating into CI/CD pipelines, it provides automated checks for adherence to best practices. Organizations use it for code inspection, security testing, and compliance, ensuring development environments with better maintainability and fewer issues.

What are the key features of SonarQube Server?
  • Support for 20+ languages: Extensive programming language support suitable for diverse coding environments.
  • Custom coding rules: Allows for tailored rule sets to match specific coding standards.
  • Flexible quality gates: Define criteria for code acceptance at various intervals.
  • CI/CD integration: Seamless integration with Continuous Integration/Continuous Deployment tools.
  • Rich interface: User-friendly dashboard with detailed visual insights.
What benefits should users expect from SonarQube Server?
  • Improved code quality: Enhanced analysis contributes to fewer bugs and improved coding practices.
  • Security enhancements: Identifies and mitigates security vulnerabilities pre-emptively.
  • Maintainability: Reduces technical debt, yielding long-term development efficiency.
  • Customizable: Flexibility in configuration aligns with specific project needs.

Many industries implement SonarQube Server to uphold coding standards, maintain security protocols, and streamline their software development lifecycle. In sectors like finance and healthcare, adhering to regulations and ensuring reliable software is critical, making SonarQube Server invaluable. It is often integrated into CI/CD pipelines, ensuring that code changes meet set standards before deployment. This approach enhances productivity and maintains compliance with industry-specific requirements.

Sonar
 

Sample Customers

ACCESS Co Ltd, Risk-AI, Winbond Electronics, Bristol-Myers Squibb Pharmaceutical Research Institute, University of Southern California, Alebra Technologies, SIMULIA, Risk Management Solutions, Brigham Young University, SRD, HRL
Information Not Available
Buyer's Guide
Klocwork vs. SonarQube Server (formerly SonarQube)
July 2025
Free Report: Klocwork vs. SonarQube Server (formerly SonarQube)
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