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Mendix vs OutSystems comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Nov 2, 2025

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
Mendix reduces development time by 30%-40%, enhances efficiency, but high license fees may affect ROI despite growth potential.
Sentiment score
6.6
OutSystems typically offers high ROI through fast development and cost savings, though initial expenses and developer skills impact outcomes.
It's not that they're really firing that personnel, but they can often focus on the core that really matters instead of repetitive processes in Excel forms and all of the overhead and human error that comes with that.
I see a fair return on investment using Mendix.
Developing that same project in OutSystems can be completed in around 40 to 50% less time, requiring only six resources.
 

Customer Service

Sentiment score
6.9
Mendix offers excellent support, with praised forums, valued resources, and varied response based on user plans and subscription.
Sentiment score
7.0
OutSystems' service is generally proactive and responsive, but advanced help varies by SLA, location, and contract tier.
I haven't often needed to seek direct support from Mendix teams as their online resources and knowledge database are comprehensive.
Mendix provides proper support, troubleshooting options, and a helping community.
If it's about having an issue that I can't solve despite being a Mendix expert and having tried every single bit and piece, support can feel like a stone wall.
Many helpful videos and documentation are available on the OutSystems site, making it relatively easy to learn the platform.
 

Scalability Issues

Sentiment score
6.9
Mendix offers robust scalability and flexibility for diverse applications, effectively supporting small to large enterprise use cases.
Sentiment score
7.5
OutSystems offers scalable, adaptable solutions for enterprises, with seamless cloud expansion and efficient management, despite pricing concerns.
Mendix supports scaling well with its comprehensive online documentation and learning paths.
Mendix provides options for handling scalability and maintainability through features like validation, workflow and nanoflow minimization, and user components, enabling projects to be easily managed and scaled.
Also solutions processing data at scale, talking about one million packages a day.
They can be deployed vertically and horizontally, supporting as many deployments as needed.
 

Stability Issues

Sentiment score
7.3
Mendix offers high stability with minimal issues, improved scalability, frequent updates, and strong performance, especially on stable versions.
Sentiment score
7.8
OutSystems is praised for stability and reliability, handling large systems well, with minor issues on high data loads.
Mendix has been stable in my experience, with reliable performance for enterprise applications and minimal downtime or critical issues.
I recently encountered an issue with deploying applications on the Mendix sandbox, which took a week to resolve.
 

Room For Improvement

Mendix needs better document templates, non-relational database support, legacy integration, licensing, UI/UX, reporting, AI, support, and scalability.
OutSystems faces performance and integration issues, high licensing costs, and needs improvements in support, automation, UI, and documentation.
Access to the database is limited in Mendix's public cloud, preventing direct database interaction or inspection.
I choose a seven mainly due to the issues we've faced with slowdowns and bugs during development, while runtime has been very stable.
Native development is not very strong, and some developer tools are missing, such as shortcuts to edit multiple variables.
It is crucial to be aware of which module corresponds to which application in real-time projects, as there are multiple applications.
I would like to see more integration between the use of artificial intelligence to speed up the process delivery time.
What I would like to see is more servicing business analysts in the next release of OutSystems.
 

Setup Cost

Mendix is seen as costly for small businesses, but it's cost-effective for enterprises with negotiable, transparent pricing.
OutSystems is costly, suited for larger enterprises, with yearly fees varying by usage, covering licenses and infrastructure.
The app license costs between $13,000 to $14,000, which is prohibitive for startups.
My experience with pricing, setup cost, and licensing is reasonable;
From the pricing shown on the Mendix webpage, we have a basic package where you pay 60 Euros a month for five users and 10 Euros per additional user.
Subsequent users can be added at an additional cost per user; exact pricing details can be found on the OutSystems site.
 

Valuable Features

Mendix enables rapid, low-code app development with visual modeling, seamless integration, and built-in security to enhance efficiency and reduce costs.
OutSystems streamlines development with low-code tools, offering rapid deployment, easy integration, and enhanced productivity through reusable components.
Mendix's integration capabilities are impressive, allowing for rapid and on-the-fly integration of almost anything imaginable.
The best features that Mendix offers are proper guardrails that prevent starting from scratch, ensuring a certain level of security, user experience, and standardization for implementing workflows, API integrations, and how you set up your domain model.
For security, I value the built-in authentication, role-based access control, and data protection features, which make enterprise apps safer without needing heavy custom setup.
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.
OutSystems has a very good learning curve for developers.
I have recommended it in situations where very rigid enterprise structures are blocking them from being agile.
 

Categories and Ranking

Mendix
Ranking in Mobile Development Platforms
3rd
Ranking in Rapid Application Development Software
8th
Ranking in Low-Code Development Platforms
3rd
Average Rating
8.2
Reviews Sentiment
6.8
Number of Reviews
57
Ranking in other categories
No ranking in other categories
OutSystems
Ranking in Mobile Development Platforms
1st
Ranking in Rapid Application Development Software
4th
Ranking in Low-Code Development Platforms
5th
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
53
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of November 2025, in the Low-Code Development Platforms category, the mindshare of Mendix is 6.6%, down from 10.8% compared to the previous year. The mindshare of OutSystems is 7.5%, down from 10.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Low-Code Development Platforms Market Share Distribution
ProductMarket Share (%)
Mendix6.6%
OutSystems7.5%
Other85.9%
Low-Code Development Platforms
 

Featured Reviews

Mitchel Mol BGS - PeerSpot reviewer
Has improved development quality and speed but has introduced persistent IDE slowdowns
In recent years, the IDE has been more buggy and slower, and although there have been more features added, I would like to see more stability, as some areas that used to work for a fairly long time are now slower in my development, which feels like a step back. I choose a seven mainly due to the issues we've faced with slowdowns and bugs during development, while runtime has been very stable, and the overall output on Mendix platform is still good; there is definitely some room for improvement, and I would probably have given it an eight or even a nine if those issues weren't hurting my developer output for the past few years. Overall, Mendix platform is stable, but the IDE could be better.
Ramon David - PeerSpot reviewer
Easy to learn, offers ability to deploy rapidly, enabling changes to applications every two weeks
I would like to see improvements in versioning. It can be challenging to keep track of what changes should be committed, especially when many developers are working in one environment. So, I would like to see support for different version models especially when multiple developers are working on the same module, it can be confusing to know which changes need to be deployed when comparing and merging codes. In future releases, A built-in chart feature would be useful. We had to use Google Charts plugin for dashboards. Native support for charts, like bar and pie charts, would be beneficial.
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Top Industries

By visitors reading reviews
Manufacturing Company
13%
Computer Software Company
13%
Financial Services Firm
11%
University
7%
Computer Software Company
14%
Financial Services Firm
12%
Manufacturing Company
8%
Government
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business26
Midsize Enterprise6
Large Enterprise23
By reviewers
Company SizeCount
Small Business18
Midsize Enterprise7
Large Enterprise29
 

Questions from the Community

What do you like most about Mendix?
We also use Mendix Enterprise Integration for complex business logic. It's a low-code platform, so we run Mendix in the Mendix Cloud.
What is your experience regarding pricing and costs for Mendix?
My experience with pricing, setup cost, and licensing is reasonable; we've used a lot of basic nodes as well, which had some issues in the recent past due to the payment provider going bankrupt, bu...
What needs improvement with Mendix?
Customization is limited compared to traditional coding, and UI adjustments can feel restrictive. Native development is not very strong, and some developer tools are missing, such as shortcuts to e...
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

Genzyme, TNT, Yahoo, Capgemini, Roche, D&B, Aegon, kpn, AZL, Sky, Arch, Penn State Univeristy, BancABC
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 Mendix vs. OutSystems and other solutions. Updated: September 2025.
872,869 professionals have used our research since 2012.