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Mendix vs OutSystems vs Xamarin Platform 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:
 

Mindshare comparison

As of September 2025, in the Mobile Development Platforms category, the mindshare of Mendix is 16.7%, down from 22.7% compared to the previous year. The mindshare of OutSystems is 17.5%, down from 22.2% compared to the previous year. The mindshare of Xamarin Platform is 7.4%, up from 7.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Mobile Development Platforms Market Share Distribution
ProductMarket Share (%)
OutSystems17.5%
Mendix16.7%
Xamarin Platform7.4%
Other58.4%
Mobile Development Platforms
 

Featured Reviews

Mitchelmol More - 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.
Sukrut Joshi - PeerSpot reviewer
Enables users to develop applications quickly and has a responsive and helpful technical support team
The time to market is quite good. We can quickly develop an application using the tool. OutSystems is developed using .NET and Java. We can easily find technical resources who have worked on .NET and Java and leverage their previous knowledge to develop OutSystems applications. It can also be used for application development. If an end-user does not want to use the solution after two to three years, OutSystems sends the source code and the applications to the end-user. There is no dependency. It’s one of the major factors I found quite good in OutSystems.
Prince Tiwari - PeerSpot reviewer
Facilitates UI development with XAML, enabling shared UI code across platforms and reducing platform-specific work
I like its simplicity. As someone who didn't start my career as a dedicated developer, I was used to building websites or Windows applications. Transitioning to mobile app development meant learning new languages like Swift or Java. With C# and Xamarin, though, I could leverage my existing skillset. Xamarin, and specifically Xamarin.Forms, let me write my code once and deploy it natively to both Android and iOS. Xamarin.Forms are very useful. Essentially, it's a framework that allows me to create the UI mostly in XAML. This XAML code is then translated into the native UI elements for each respective platform. The advantage is that roughly 90% of my UI code can be shared. This significantly reduces the amount of platform-specific UI work compared to having to write separate UIs for each platform. For the most part, Xamarin's integration with Visual Studio improved the workflow, whether I'm on Windows or Mac. Since I'm familiar with Visual Studio, it provides a comfortable development environment. Additionally, features like Hot Reload and the integration of tools like Copilot help streamline the development process. Overall, it offers a positive development experience.

Quotes from Members

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

Pros

"Mendix code and coding logic are very visual. It looks like a flow chart rather than lines of code. Rapid development is what drew us to Mendix."
"You can scale the solution."
"We find it intuitive and easy to use."
"The solution is stable."
"It is a development platform which assists in accelerating your developmental lifecycle. This is one of its most valuable features. This solution also offers a good set of components that are readily available."
"I highly regard Mendix because of its proper support, troubleshooting options, extensive learning path, and the availability of different types of exams."
"Enables us to rapidly create a complex application. We are also able to customize features that stakeholders in the corporation want to see, something that could not be done with other software. Our workflows and processes have evolved and improved. The fast iterations allow us to be nimble, get feedback from users, and do rapid updates."
"The user experience is great."
"I find it to be a genuinely cool and effective platform for my development needs."
"The OutSystems' most effective features for speeding up development cycles are the process orchestration and the drag-and-drop updating of business processes."
"Integrations with external systems with SOAP and REST are easy to implement off-the-shelf, but a developer can always implement specific libraries for other integrations."
"It is a stable solution."
"There is literally a ton of stuff it can do. It's very flexible."
"The scratch coding is useful. The solution is easy to understand."
"OutSystems is a low-code solution. Most features are like drag-and-drop, so it's pretty easy to work. Thus it helps the organization by saving time for developers."
"OutSystems is a hybrid framework and supports my mobile and web application development needs. This means I don't have to write separate code for mobile applications. It adapts the UI and functionality, whether I'm developing for web or mobile interfaces. All I need to do is provide the layout during development."
"It is a true native solution, and we can use the cross-platform framework."
"The most valuable feature of the Xamarin Platform is that both the UI are the same in Android and iOS, in one project and Android and iOS, are applications for developing PCL projects. Additionally, the dashboard is good."
"Because of the C# programming language, we can train our .NET developers to learn Xamarin and develop mobile apps easily."
"Test Cloud, Calabash, SpecFlow, and Xamarin.UITest are the features which can’t be ignored because just writing code doesn’t mean your app will run flawlessly. You need to test your app on each possible device and configuration, which you can do easily."
"The platform is easy to learn as many tutorials are available on YouTube."
"I think the best part about Xamarin is that you can create apps for both platforms using one source code. That's the most powerful feature. When you develop something for Android, it also builds for iVerse as well. The cross-platform aspect of Xamarin is unique. The ability to develop both apps with a single code base is something very unique."
"The best part while using the Xamarin Platform is a cross-platform application. We could execute iOS and Android while writing a single line of code."
"Xamarin makes it easy to create white label applications for all platforms."
 

Cons

"One area for improvement is its integration capabilities. Creating a pluggable widget or integrating it with other systems is challenging. In terms of features, it would be great to see advancements such as AI services and the integration of third-party services. Additionally, connecting external devices to the application requires multiple steps. Improving this will make it easier for the developers."
"While the community is great, they need to work on making their direct technical support services better."
"Mendix could improve by allowing the customization of different programming languages, such as Python and C++."
"In the beginning, it is difficult to learn and work with."
"Needs multiple database connections so an app can directly read/write data to/from multiple databases. This would enable easy splitting of big applications that have complex entity relationships."
"A constraint of Mendix is that you have to look for the required plugins which takes up development time. There are a limited number of Mendix experts in the market."
"The code refactoring tools could be better, especially for applications running for years. It's not bad, but it could be smoother. Also, writing new widgets can be trickier than it should be for some people, but not if you're familiar with Mendix."
"While the documentation is good, the development box could be better."
"There are not enough resources on the market."
"The customer service and support are maintaining a two-day SLA for everything. 48 hours is very high."
"In OutSystems, cloud management is an area of concern where improvements are required."
"The solution is costly."
"Mobile apps need improvement."
"The product could benefit from improved connectors to integrate with outside platforms."
"The solution's testing framework needs to be improved, and the workflow should be slightly more mature."
"Since we first started using OutSystems, they switched their language support from Java and .NET to .NET only, which was a bit of a surprise. Their language support could be better in this sense, although on our resource side it is now a bit more flexible."
"All Xamarin library issues need to be taken care of as a top priority."
"It is common to find a problem that you would need to develop from the start since there are no third-party components to reuse."
"Xamarin Platform's performance base could be improved."
"The file size is a bit big, so you have to make certain layers."
"They need to take a step towards independence from the UI platform. It takes a lot of time to adapt the native controls."
"Xamarin Platform lacks in app size."
"Xamarin Platform can improve by making the enterprise documentation better. There's a lot of basic documentation of how to do many of the functions of the solution, but there's not much enterprise-level documentation."
"The performance needs improvement, especially the dev tools, and also the ultimate output of the mobile applications."
 

Pricing and Cost Advice

"The solution is a bit expensive compared to others"
"Licensing costs are similar to those for all other IT technology, but they vary by region."
"From a commercial point of view, we would like them to change that they currently sell it as a platform, but as a customer you have to decide upfront the usage of the platform. We would like to have Mendix sell it as a pay as you go model: You pay for what you use, and you don't pay for what you don't use."
"Mendix is not open source, but its license cost is cheap, particularly when compared to the Appian license. The license model would depend on how many users you have and how many applications you are creating. If you are creating a single app, you just need to have a single app license, so it's free. If you want a multiple app license to cover two thousand or three thousand users, for example, internal users or external users, then you need to pay for the license. There's also a license model for above three thousand or four thousand, or five thousand internal and external users."
"Mendix seems a bit expensive. But in terms of wanting to have less developers and higher velocity, the total cost of ownership is fine. It's not cheap, though."
"Pricing used to be complex, but Mendix has improved that quite a bit."
"I would not recommend the solution to small and medium-sized businesses because it’s expensive. It’s great for big organizations. I rate the pricing as a three out of ten."
"Initially, we started with a year for approximately $25,000, and if we need to expand the number of seats then we will increase it."
"OutSystems is a good solution, but it's not cheap."
"Pricing could be a concern. You have to pay yearly, even after you have completed your development."
"OutSystems is a very expensive solution, and it has to be cheaper."
"For a single application, it's too expensive."
"There is a free trial to use this solution and other options available, such as enterprise. There are different subscription plans."
"OutSystems is an expensive product. My company has to make monthly payments towards the licensing costs attached to the solution."
"The price is okay. OutSystems isn't expensive. It's a mid-range solution."
"I would rate it five to six out of ten."
"Xamarin Platform is a free open-source solution."
"It saved a lot of time and resources needed to develop a cross platform mobile app."
"Xamarin Platform is open-source, so it is free to use."
"This is an open-source solution, but there is a subscription charge to use the App Center of around $100."
"There is no requirement for a license. It is available for free as an open-source product."
"Xamarin is free. There is no license unless you go for some high-end enterprise features. Other than that, everything's free."
"There is no license fee because the solution is open-source."
"The price of the Xamarin Platform is not expensive. However, the price of the solution depends on the application that is made. For example, if you have small applications, it's different from large or enterprise applications."
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Top Industries

By visitors reading reviews
Computer Software Company
13%
Manufacturing Company
13%
Financial Services Firm
10%
University
7%
Computer Software Company
14%
Financial Services Firm
12%
Manufacturing Company
8%
Government
7%
Educational Organization
28%
Manufacturing Company
14%
Financial Services Firm
8%
Comms Service Provider
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business25
Midsize Enterprise6
Large Enterprise22
By reviewers
Company SizeCount
Small Business18
Midsize Enterprise7
Large Enterprise29
By reviewers
Company SizeCount
Small Business18
Midsize Enterprise5
Large Enterprise14
 

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 Xamarin Platform?
Xamarin.Forms are very useful. Essentially, it's a framework that allows me to create the UI mostly in XAML. This XAM...
What is your experience regarding pricing and costs for Xamarin Platform?
Xamarin Platform is free, and we use an Azure subscription at a relatively low cost for our builds. It offers a good ...
What needs improvement with Xamarin Platform?
The primary area for improvement is the support for third-party libraries, especially for major providers like Micros...
 

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
Cinemark, MixRadio, Sqor Sports, Storyo, JetBlue, The World Bank, Cr_dito Agrcola, Applied Research Associates
Find out what your peers are saying about OutSystems, Salesforce, Mendix and others in Mobile Development Platforms. Updated: August 2025.
868,570 professionals have used our research since 2012.