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KiSSFLOW vs OutSystems comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Sep 18, 2024

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
9.1
KiSSFLOW improved efficiency, reduced costs, enhanced transparency, and boosted productivity with easy adoption and excellent customer support.
Sentiment score
6.3
OutSystems' ROI varies, with rapid development and reduced costs leading to high returns and improved customer experiences.
If a legacy or a traditional application is taking five to six months, those can easily be designed into OutSystems in less than two months.
Senior Technical Lead at a pharma/biotech company with 1,001-5,000 employees
Developing that same project in OutSystems can be completed in around 40 to 50% less time, requiring only six resources.
Software Developer Advisor at NTT DATA Services
 

Customer Service

Sentiment score
7.5
KiSSFLOW customer service is responsive, offering fast resolution, detailed documentation, and knowledgeable support through emails and scheduled meetings.
Sentiment score
7.0
OutSystems' support is responsive and valued, but specialized assistance and faster issue resolution are needed for some users.
Many helpful videos and documentation are available on the OutSystems site, making it relatively easy to learn the platform.
Software Developer Advisor at NTT DATA Services
They do have the customer support ticketing system where you can raise the ticket, decide the priority, and depending upon your priority and urgency, they are going to resolve your problem.
Senior Technical Lead at a pharma/biotech company with 1,001-5,000 employees
There have been no issues with support,
Project Manager at Centre for Content Creation
 

Scalability Issues

Sentiment score
7.3
KiSSFLOW is praised for its scalability and integration, handling large user bases and supporting operations smoothly with minimal maintenance.
Sentiment score
7.3
OutSystems offers scalable, cloud-based architecture, supporting diverse environments for efficient enterprise growth, despite some cost concerns.
They can be deployed vertically and horizontally, supporting as many deployments as needed.
Software Developer Advisor at NTT DATA Services
 

Stability Issues

Sentiment score
8.3
KiSSFLOW is praised for its stability, reliability, consistent performance, minimal issues, and trustworthy analytics, ensuring high user confidence.
Sentiment score
7.8
OutSystems is highly stable and reliable, handling heavy operations well, despite minor issues under massive user bases.
 

Room For Improvement

KiSSFLOW users seek better integrations, enhanced UI, improved Google Drive syncing, real-time linking, editable PDFs, and stable mobile notifications.
OutSystems needs to enhance performance, reduce costs, improve support, and refine integration, UI, documentation, and AI capabilities.
OutSystems does support tools to help categorize components across different layers, but enhancing features related to architecture would be beneficial for accommodating new changes more easily in our existing applications.
Software Developer Advisor at NTT DATA Services
A couple of things which can be improved into OutSystems include the licensing cost, the vendor lock-in side, the learning curve, couple of integration aspects and customizations.
Senior Technical Lead at a pharma/biotech company with 1,001-5,000 employees
What I would like to see is more servicing business analysts in the next release of OutSystems.
Senior ITO Consultant at CBI - Centre for the Promotion of Imports from developing countries
 

Setup Cost

KiSSFLOW provides subscription-based pricing at $15/user/month, higher than competitors, with no setup costs and free trials available.
OutSystems is costly for small businesses, but valued for its robust enterprise features compared to competitors.
Subsequent users can be added at an additional cost per user; exact pricing details can be found on the OutSystems site.
Software Developer Advisor at NTT DATA Services
 

Valuable Features

KiSSFLOW's strengths include performance, user-friendliness, flexibility, integrations, automation, drag-and-drop system, community support, and AI-suggested fields.
OutSystems enhances productivity with one-click publishing, visual modeling, seamless integration, and flexible cross-platform support for rapid development.
OutSystems offers a lot of reusable components and solutions that I can simply drag and drop and use, which has a significant impact on project delivery time.
RPA Engineer at a computer software company with 10,001+ employees
We use integration extensively in OutSystems, which allows us to connect our own internal systems to our newly created system applications.
Project Manager at Centre for Content Creation
OutSystems has a very good learning curve for developers.
Software Developer Advisor at NTT DATA Services
 

Categories and Ranking

KiSSFLOW
Ranking in Rapid Application Development Software
28th
Ranking in Low-Code Development Platforms
28th
Average Rating
8.6
Reviews Sentiment
7.3
Number of Reviews
12
Ranking in other categories
Business Performance Management (25th), Business Process Management (BPM) (36th)
OutSystems
Ranking in Rapid Application Development Software
4th
Ranking in Low-Code Development Platforms
2nd
Average Rating
8.4
Reviews Sentiment
6.8
Number of Reviews
55
Ranking in other categories
Mobile Development Platforms (1st), Business Orchestration and Automation Technologies (6th)
 

Mindshare comparison

As of January 2026, in the Low-Code Development Platforms category, the mindshare of KiSSFLOW is 1.5%, up from 0.6% compared to the previous year. The mindshare of OutSystems is 5.3%, down from 10.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Low-Code Development Platforms Market Share Distribution
ProductMarket Share (%)
OutSystems5.3%
KiSSFLOW1.5%
Other93.2%
Low-Code Development Platforms
 

Featured Reviews

Julius Jagdon - PeerSpot reviewer
Business Tools at Motorola Solutions
The tool is intuitive to use and, through automation, has been a real time-saver
When there are multiple steps or if there's a disconnect when creating the ticket, it could be a problem for the user. For example, our RSN needs to approve the ticket first before it's moved to the next person rather than having them all grouped. It would be better if we could see all the tickets grouped at the same time.
MA
Software Developer Advisor at NTT DATA Services
OutSystems facilitates rapid application development and effective project management
What I find valuable about OutSystems is that it has a very good learning curve for developers. Within two weeks, we can gain knowledge in OutSystems, and it is very easy to learn. With my background being .NET, OutSystems is straightforward to learn, which is beneficial. Developing applications in OutSystems is good, and the flexibility allowed by OutSystems for application development is excellent compared to my experiences with other low-code technologies, where I've faced some challenges. The clean separation of concerns in the architecture provided by OutSystems is a key benefit compared to other platforms. OutSystems integrates with our existing tech infrastructure and provides flexible integration. If we want to integrate with third-party services, OutSystems has SOAP and RESTful services that allow us to consume external services, integrate with external databases such as SQL or Oracle, and includes integration studio for writing custom .NET code. After developing a .NET component, we can reference it in service studio, creating a reference file that makes integration easy. OutSystems officially supports various integrations and also includes an API discovery tool for consuming and exposing services, providing a lot of information about incoming URLs, similar to how we use Postman.
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Top Industries

By visitors reading reviews
Financial Services Firm
15%
Computer Software Company
10%
Government
8%
Performing Arts
8%
Computer Software Company
13%
Financial Services Firm
12%
Manufacturing Company
8%
Government
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business4
Midsize Enterprise3
Large Enterprise6
By reviewers
Company SizeCount
Small Business19
Midsize Enterprise7
Large Enterprise31
 

Questions from the Community

Ask a question
Earn 20 points
Which solution is better for developing non-ITSM applications: OutSystems or Service Now?
The short answer is that OutSystems is far better for 2 main reasons. Firstly, with Service Now you are locked into that platform for good. The business model is to lock in and then keep pumping th...
What industries do you think OutSystems is most useful for?
I cannot really name an industry in which OutSystems cannot be beneficial. Who does not want to make top-notch applications that work in no time? And OutsyStems does exactly that. The low-code plat...
How did you decide which OutSystems edition was the best one for you?
We started using OutSystems fairly recently, so we are still on the free version of it. My company is still testing how we like the platform, but so far, we have been satisfied with it and will li...
 

Comparisons

 

Overview

 

Sample Customers

KiSSFLOW has 1.3 million users and 10,000+ customers across 121 countries. The people who get the most out of KiSSFLOW are business leaders like department heads, senior managers, and process owners who want to automate repetitive processes. These people can set up and modify the application on their own. The interface is simple so that all the users in the organization can utilize it through the web application, mobile apps (iOS and Android), smart actions on Gmail, and email notifications. Notable companies are Royal Caribbean, Dominos, Motorola, Danone, The Telegraph, Michelin, and PepsiCo.
Randstad, Warner Brothers, HP, Intel, ING, Banco Popular, Thrivent Financial, Bacardi, Kent State University, Bacardi, FICO, ING, Vodafone, AbbVie, Estafeta, Siemens, Vopak
Find out what your peers are saying about KiSSFLOW vs. OutSystems and other solutions. Updated: December 2025.
881,082 professionals have used our research since 2012.