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Mendix vs OutSystems vs Temenos Quantum comparison

 

Comparison Buyer's Guide

Executive Summary

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
7.2
Mendix provides a free version, reducing development time and costs, leading to significant growth and ROI for users.
Sentiment score
7.1
OutSystems typically offers high ROI through fast development and cost savings, though initial expenses and developer skills impact outcomes.
Sentiment score
7.8
Organizations using Temenos Quantum report increased development efficiency, cost savings, improved security, seamless integration, and scalable architecture benefits.
Developing that same project in OutSystems can be completed in around 40 to 50% less time, requiring only six resources.
 

Customer Service

Sentiment score
7.1
Mendix is praised for responsive support, active community, knowledge resources, though some note slow responses and improved resolution times.
Sentiment score
7.2
OutSystems' service is generally proactive and responsive, but advanced help varies by SLA, location, and contract tier.
Sentiment score
5.7
Temenos Quantum's support is generally helpful with a good ticketing system, but response times and experiences vary.
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.
The technical support from Mendix is very good.
Many helpful videos and documentation are available on the OutSystems site, making it relatively easy to learn the platform.
 

Scalability Issues

Sentiment score
7.0
Mendix scales well for enterprises, though users face challenges with large databases and public cloud constraints.
Sentiment score
7.7
OutSystems offers scalable, adaptable solutions for enterprises, with seamless cloud expansion and efficient management, despite pricing concerns.
Sentiment score
7.0
Temenos Quantum is praised for scalability and performance, supporting 100-1000 users, despite some complexity concerns compared to Flutter or React.
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.
They can be deployed vertically and horizontally, supporting as many deployments as needed.
 

Stability Issues

Sentiment score
7.4
Mendix is stable and reliable, with quick bug fixes, adaptable support, and high ratings for performance and stability.
Sentiment score
8.0
OutSystems is praised for stability and reliability, handling large systems well, with minor issues on high data loads.
Sentiment score
7.5
Temenos Quantum is stable and reliable with frequent updates, but areas like pending applications and front-end need improvement.
I recently encountered an issue with deploying applications on the Mendix sandbox, which took a week to resolve.
 

Room For Improvement

Users seek better templates, UX/UI, integration, reporting, scalability, AI, and support, criticizing complexity and documentation.
OutSystems faces performance and integration issues, high licensing costs, and needs improvements in support, automation, UI, and documentation.
Temenos Quantum requires security, interface, and stability enhancements, better integration, faster support, flexible widgets, and improved development tools.
Access to the database is limited in Mendix's public cloud, preventing direct database interaction or inspection.
It is not one hundred percent stable.
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.
 

Setup Cost

Mendix is pricier but reduces development time; ideal for large enterprises, region-specific pricing can be negotiated.
OutSystems is costly, suited for larger enterprises, with yearly fees varying by usage, covering licenses and infrastructure.
Temenos Quantum is costly, with prices ranging from $70,000 to $500,000, though some users find it affordable.
The app license costs between $13,000 to $14,000, which is prohibitive for startups.
Subsequent users can be added at an additional cost per user; exact pricing details can be found on the OutSystems site.
 

Valuable Features

Mendix offers rapid app development with low-code capabilities, visual interface, system integrations, Agile support, and robust scalability.
OutSystems streamlines development with low-code tools, offering rapid deployment, easy integration, and enhanced productivity through reusable components.
Temenos Quantum is valued for its user-friendliness, customizability, integration, security, and comprehensive mobile and web development features.
Mendix's integration capabilities are impressive, allowing for rapid and on-the-fly integration of almost anything imaginable.
Mendix offers validation, workflow and nanoflow minimization, user components, and follows best practices, making applications easily manageable and scalable.
Mendix provides the ability to create solutions that fill gaps that I would otherwise be unable to address with standard software.
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.
The clean separation of concerns in the architecture provided by OutSystems is a key benefit compared to other platforms.
 

Mindshare comparison

As of June 2025, in the Mobile Development Platforms category, the mindshare of Mendix is 20.7%, down from 22.1% compared to the previous year. The mindshare of OutSystems is 20.0%, down from 22.4% compared to the previous year. The mindshare of Temenos Quantum is 4.0%, up from 1.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Mobile Development Platforms
 

Featured Reviews

Richard Van Den Akker - PeerSpot reviewer
Cloud-based, helps fill gaps and that seamlessly integrates with existing systems
Mendix provides the ability to create solutions that fill gaps that I would otherwise be unable to address with standard software. It integrates seamlessly with my existing ERP systems, enabling me to build attractive and user-specific solutions. Its cloud-based platform supports agile methods and enhances my development speed. These features enable me to better meet my organizational needs.
DhrubajyotiBiswas - PeerSpot reviewer
Helps us efficiently streamline repetitive tasks, but they could provide improved connectors to integrate with outside platforms
The OutSystems' most effective features for speeding up development cycles are the process orchestration and the drag-and-drop updating of business processes. I would recommend it to a friend or colleague, especially if they are looking for a solution that is easy to deploy and helps streamline internal processes. I rate it a six out of ten.
Zain Omer - PeerSpot reviewer
Though a secure tool for building applications, there is a need to improve its stability
There is a lot of room for improvement in Temenos Quantum. Temenos Quantum is not quite stable yet. Improvements can be made to make Temenos Quantum stable. Improvements are needed in the solution, considering how my company needs to raise a lot of tickets with the technical support team of Temenos for some basic issues every time. There are some features in Temenos Quantum that I want to be stabilized by Temenos, just like in Android Studio and Xcode. Building an application using Temenos Quantum is not difficult, but my company needs to seek some support for the solution all the time.
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Top Industries

By visitors reading reviews
Computer Software Company
15%
Manufacturing Company
13%
Financial Services Firm
9%
University
6%
Educational Organization
19%
Computer Software Company
12%
Financial Services Firm
10%
Manufacturing Company
7%
Financial Services Firm
37%
Computer Software Company
16%
Government
5%
Educational Organization
5%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

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 t...
What is your experience regarding pricing and costs for Mendix?
I have some idea about the licensing part, and it depends on the person and the number of applications.
What needs improvement with Mendix?
Currently, I do not see any improvements needed in Mendix. However, I have not used Mendix for the last few months, s...
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 t...
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 applic...
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 ...
What do you like most about Temenos Quantum?
Comparing other solutions with Temenos Quantum, the later is less mature and presents several issues. Implementing Te...
What needs improvement with Temenos Quantum?
The UI lacks flexibility, especially regarding customizations. There are numerous issues at the fabric end, and worki...
 

Also Known As

No data available
No data available
KonyOne, Kony, Kony Quantum
 

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
Partners FCU, Banco Bolivariano, PSECU, CFG Bank, Commerce Bank
Find out what your peers are saying about OutSystems, Salesforce, Mendix and others in Mobile Development Platforms. Updated: May 2025.
856,873 professionals have used our research since 2012.