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OutSystems vs Xamarin Platform comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Mar 4, 2025

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

OutSystems
Ranking in Mobile Development Platforms
1st
Average Rating
8.4
Reviews Sentiment
6.8
Number of Reviews
55
Ranking in other categories
Rapid Application Development Software (4th), Low-Code Development Platforms (2nd), Business Orchestration and Automation Technologies (6th)
Xamarin Platform
Ranking in Mobile Development Platforms
5th
Average Rating
8.2
Reviews Sentiment
7.4
Number of Reviews
40
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of January 2026, in the Mobile Development Platforms category, the mindshare of OutSystems is 12.0%, down from 21.0% compared to the previous year. The mindshare of Xamarin Platform is 6.1%, down from 7.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Mobile Development Platforms Market Share Distribution
ProductMarket Share (%)
OutSystems12.0%
Xamarin Platform6.1%
Other81.9%
Mobile Development Platforms
 

Featured Reviews

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.
Prince Tiwari - PeerSpot reviewer
Senior Software Engineer at AAPC
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

"Their out-of-the-box UI is quite good."
"The solution is all-encompassing and very easy to use with its drag-and-drop feature."
"The tool makes the development process easier."
"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 easy to use."
"I find it to be a genuinely cool and effective platform for my development needs."
"The product is mostly stable."
"Scalability proved to be an exceptionally beneficial feature."
"Xamarin makes it easy to create white label applications for all platforms."
"You can just write one XM channel core and it'll be used for both iOS and Android."
"The most valuable features of the Xamarin Platform are that it has cross-platform development, one code base serves a purpose on both, and the grid layout is a lifesaver."
"Recently, Xamarin has added a lot of features such as Effects, Behaviors, Triggers, etc. This has made the UI user-friendly, lively, and attractive."
"The platform is easy to learn as many tutorials are available on YouTube."
"The combination of forms for cross-platform UI and C-Sharp for the programming language are my two favorite features."
"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."
"Plugins like MvvmCross make a developer’s life easy."
 

Cons

"I think OutSystems needs to improve in many areas. First, sometimes Service Studio becomes really slow and even hangs for long periods. Also, if I have not published my module in some time, and some kind of Service Studio exception occurs, I lose my work."
"The new version could be improved."
"One of the biggest areas for improvement is that every time an existing data element is modified, it creates a new data element. It doesn't really modify that particular data element. So, a user has to follow an extra step of removing the existing data element and bringing in the new and modified data element that is being added, which sort of goes into negative productivity."
"In my opinion, the support and the pricing could be better."
"The resource availability needs to be increased."
"I like the OutSystems platform. I am working on integrating it with another platform using APIs, however, it has proven to be difficult. The main issue I am facing is obtaining authorization tokens as well as access and refresh tokens. It may be due to my lack of knowledge of APIs as it is new to me."
"I would like to see OutSystems improve its integration capabilities, especially with emerging technologies like AI and GPT."
"The tool's weakness is its focus on the solution only. Other than that, it's pretty easy to use for both technical and non-technical people. However, the tool lags in automation. For instance, we've used Python for scraping and other automated tasks. So, I believe automation is an area where it could improve."
"The architecture in the Xamarin Platform has to improve, there are some features missing."
"The file size is a bit big, so you have to make certain layers."
"Regarding improvements, there are still some limitations with Xamarin, particularly regarding access to core functionality in Android and iOS."
"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 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 monitoring of the remote devices is not good as it should be extended along. It would be useful if the log is more integrated with the central console. I am not sure it can be accessed but it would be better."
"There is limited support for UX widgets."
"The solution struggles a little bit with binding libraries."
 

Pricing and Cost Advice

"It is not an expensive product, especially if you have access to more features and deal with more projects."
"The subscription is billed on a yearly basis."
"I believe they have two pricing options. One is approximately $4000 USD a year and the other is approximately $10,000 USD a year."
"There is a need to make yearly payments towards the licensing costs attached to OutSystems. It is an expensive product."
"The price is okay. OutSystems isn't expensive. It's a mid-range solution."
"OutSystems was open to a deal that worked for both sides."
"The tool’s licensing is based on the user’s usage."
"As for licensing costs, I'm not directly involved in that aspect."
"There is no license fee because the solution is open-source."
"This is a free product, so there is zero investment on licenses and IDE."
"Xamarin Platform is open-source, so it is free to use."
"Xamarin is free, or comes with Visual Studio. Therefore, it is very profitable."
"There's no licensing cost for Xamarin."
"Xamarin Platform is open-source, but there are fees for deployment, the API Store and Play Store, and using third-party libraries."
"In most cases, it is sufficient to have free/community license. But if you plan to seriously develop production-level, highly polished apps, you need to use Xamarin.Profiler and the professional or enterprise license."
"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%
Financial Services Firm
12%
Manufacturing Company
8%
Government
7%
Educational Organization
21%
Comms Service Provider
11%
Manufacturing Company
11%
Financial Services Firm
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business19
Midsize Enterprise7
Large Enterprise31
By reviewers
Company SizeCount
Small Business18
Midsize Enterprise5
Large Enterprise14
 

Questions from the Community

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...
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 XAML code is then translated into the native UI elements for each respective platform.
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 value for money, although it requires time to make it work effectively.
What needs improvement with Xamarin Platform?
The primary area for improvement is the support for third-party libraries, especially for major providers like Microsoft and Google. The lack of robust documentation and support for third-party bin...
 

Comparisons

 

Overview

 

Sample Customers

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 vs. Xamarin Platform and other solutions. Updated: December 2025.
880,901 professionals have used our research since 2012.