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Klocwork vs PyCharm comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Dec 19, 2024

Review summaries and opinions

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

Categories and Ranking

Klocwork
Ranking in Static Code Analysis
3rd
Average Rating
8.0
Reviews Sentiment
6.8
Number of Reviews
25
Ranking in other categories
Application Security Tools (21st), Static Application Security Testing (SAST) (14th)
PyCharm
Ranking in Static Code Analysis
7th
Average Rating
8.6
Reviews Sentiment
6.4
Number of Reviews
15
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2026, in the Static Code Analysis category, the mindshare of Klocwork is 5.5%, up from 5.1% compared to the previous year. The mindshare of PyCharm is 2.6%, up from 0.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Static Code Analysis Mindshare Distribution
ProductMindshare (%)
Klocwork5.5%
PyCharm2.6%
Other91.9%
Static Code Analysis
 

Featured Reviews

KG
Manager, Quality, Functional Safety, Cybersecurity Embedded Processing at a manufacturing company with 10,001+ employees
Experience with compliance improvements and efficiency boosts but static analysis engine shows a need for enhancement
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 improvement. Customers using different static analysis tools report more issues than with Klocwork, indicating that Klocwork's engine is not as superior. Klocwork should be able to analyze large codebases efficiently, supporting a desktop version for periodic small delta changes before pushing to the server.
Sahil Sanskar Jha - PeerSpot reviewer
Assistant Manager at a tech vendor with 10,001+ employees
Advanced machine learning workflows have become faster but still need better memory efficiency
In PyCharm, I find several components and libraries to be the most valuable. The support that Jupyter Notebook offers is essential, as we work through Jupyter regularly. Scientific libraries such as NumPy, Pandas, Matplotlib, and Plotly are integral to our work. Machine learning libraries including scikit-learn, PyTorch, and TensorFlow are used extensively. Hugging Face integration is particularly valuable because it is easily findable, the documentation is comprehensive, and it can be directly integrated with the IDEs we work with. The intelligent code editor in PyCharm definitely helps me manage code quality and efficiency in my projects. When using these libraries, it makes parallelization of data very efficient, allowing me to use multi-thread programming architecture. The code can work for multiple datasets rather than one at a time. With native Python code, a machine learning deployment taking 45 to 50 minutes to calculate can be efficiently reduced to a minute or half a second using these libraries.

Quotes from Members

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

Pros

"The most valuable feature is the Incremental analysis."
"I recommend this tool as one of the best to be used for static analysis and should at least be tried."
"The whole package offers a lot of possibilities: add-ons for Eclipse, standalone clients, access via web site, support, documentation, command line."
"We like using the static analysis and code refactoring, which are very valuable because of our requirements to meet safety critical levels and reliability."
"Using Klocwork, we have cleared all these issues without much difficulty."
"It's integrated into our CI, continuous integration."
"The most valuable feature of Klocwork is its reduced setup time."
"The reporting helps us understand the trend of our results and whether we improve over time. We can see the history within Klocwork's server architecture and know that we're making things better. It creates a great story for our management. We can demonstrate value and how our software is developing over time."
"The solution has a nice environment and extensions that make it easy to develop software."
"It is an excellent, fully integrated IDE with smart code analysis capability and a built-in debugger. It is a fantastic tool."
"Good syntax highlighting and very it's very customizable."
"We have integrated the tool with GitHub. PyCharm provides easy integration with GitHub, allowing us to push changes directly. Many plugins are available on PyCharm for GitHub integration, including GitHub Copilot for auto code completion and GitHub Copilot Chat for assistance with code-related queries."
"The recent AI-powered code completion is pretty cool."
"The solution has a great debugging feature."
"PyCharm is saving me time and money in general."
"The product's IDE feature is quite user-friendly."
 

Cons

"Support for AUTOSAR C++14 by adding a new taxonomy that you can use to ensure compliance with the AUTOSAR C++14 Standard, release 18-03."
"Klocwork has to improve its features to stay ahead of other free solutions."
"Customers using different static analysis tools report more issues than with Klocwork, indicating that Klocwork's engine is not as superior."
"Klocwork sometimes provides too many additional warnings which require expertise to manage."
"This solution could be improved if they offered support of more languages including Ada and Golang. They currently only support seven languages."
"The way to define the rules is too complex."
"The main problem is that since it only parses the code, the warnings or the problems that are given as a result of the report can sometimes require a lot of effort to analyze."
"Now the only issue we have is that whenever we need to get the code we have to build it first. Then we can get the report."
"They give some functionality to use Python Notebook, but it's not great."
"The solution does not support some features of OpenCV even though it is part of a PyCharm package."
"PyCharm's use of system resources can get pretty heavy. Loading, in particular, takes longer than I would like and I think they should optimize it so that it's a bit lighter on the system."
"Customizing the tool can make it complicated."
"The navigation can be better."
"The breakpoints could be improved as they are not that intuitive to use."
"There should be support for the RUST plugin in the Community edition for debugging."
"A potential area of improvement in PyCharm at this point would be memory efficiency."
 

Pricing and Cost Advice

"The limitation that we have is that Klocwork is licensed to certain programs, and if you want to license them to other programs, you have to pay more money."
"Klocwork should not to be quite so heavy handed on the licensing for very specific programs."
"There are other solutions on the market such as Microsoft Visual Studio. They have been adding more static code analysis features that come for free. It is getting better all the time. That is one of the possibilities is that we've been considering that we may stop using the Klocwork because it doesn't give us any added value."
"Licensing fees are paid annually, but they also have a perpetual license."
"This solution offers competitive pricing."
"When it comes to licensing, the solution has two packages, one for a fixed and the other for a floating server, with the former being more cost effective than the latter."
"The pricing for Klocwork is very competitive if you compare it from apple to apple. It has competitive pricing regarding the licensing model and the per-license cost. Klocwork isn't a high-end investment for anyone deploying it; even SMBs can afford it. The Klocwork cost per user would depend on the license type, so I'm unable to mention a ballpark figure because it would depend on the type of installation and how the deployment will be, and the nodes to give an accurate calculation or figure. The total price depends on the package, so my company could never publish pricing for Klocwork on the website. My team first collects information from potential clients on the deployment scenario, project environment, etc., before suggesting a package for Klocwork. My rating for Klocwork in terms of pricing is a five because of its flexible license models. There's a license model for every type of organization, whether small, midsize, or enterprise, so it's a five out of five for me."
"Klocwork is still tight on their licensing. If Klocwork would loosen up on the licensing, and where the license could be used, and how many different programs could be run on it, then we have several development programs that I would love to be able to use it for going forward."
"The community edition is free, which is good."
"I use the free community version, so I'm saving money there."
"They have a free Community edition, and they also have a licensed version. They definitely have an annual license. They probably also have a monthly license. Its pricing is good and reasonable. It is a little bit more expensive than the others, but it is well worth it. I would rate it a four out of five in terms of pricing."
"The community edition is free and the professional edition has a licensing fee."
"I don't have much info on the pricing, but I would say it is somewhat competitive."
"The price is reasonable."
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Top Industries

By visitors reading reviews
Manufacturing Company
20%
Construction Company
9%
Outsourcing Company
8%
Comms Service Provider
8%
Outsourcing Company
22%
Performing Arts
10%
Marketing Services Firm
9%
Manufacturing Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business12
Midsize Enterprise2
Large Enterprise13
By reviewers
Company SizeCount
Small Business8
Midsize Enterprise1
Large Enterprise6
 

Questions from the Community

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.
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...
What is your primary use case for Klocwork?
I work on tools such as Klocwork, LDRA, as well as Jira and Confluence, focusing more on the software quality assurance aspect. We use Klocwork for coding and aggregate checks. We use it for static...
What needs improvement with PyCharm?
A potential area of improvement in PyCharm at this point would be memory efficiency. PyCharm is based on its IntelliJ platform, which is Java-based, meaning it can be very memory-intensive, especia...
What is your primary use case for PyCharm?
My main use case for PyCharm is for machine learning operations.
What advice do you have for others considering PyCharm?
I use PyCharm's debugging tools on a case-by-case basis. The libraries are generally documented well enough that in most cases when I am debugging, half of the errors are found by the IDE initially...
 

Comparisons

 

Overview

 

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
Find out what your peers are saying about Klocwork vs. PyCharm and other solutions. Updated: September 2026.
915,287 professionals have used our research since 2012.