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Pros & Cons summary

Buyer's Guide

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Prominent pros & cons

PROS

OutSystems supports agile development, significantly reducing development time while allowing focus on logic and business requirements.
One-click publishing and LifeTime Server simplify the deployment process, enhancing efficiency.
OutSystems effectively facilitates integration with external systems, providing out-of-the-box connectors for easy and quick integrations.
The platform's scalability and stability are highly regarded, with automatic scaling proving very useful.
OutSystems’ low-code and drag-and-drop features streamline the development process, allowing faster application creation.

CONS

OutSystems has performance issues, especially under high data loads, causing lagging and reduced efficiency.
There is a high cost and limited availability of skilled personnel experienced with OutSystems, making it expensive to operate.
Adoption of emerging technologies, like AI, needs to be improved, particularly in terms of integration capabilities.
Initial setup of OutSystems is complex, requiring significant hardware and software resources.
Technical support and customer service response times are slow, with a standard two-day SLA.
 

OutSystems Pros review quotes

MA
Analyst - RAD Technical at a manufacturing company with 10,001+ employees
May 15, 2018
I really like the one-click publish feature in OutSystems. In other development tools/languages, it's not as easy. I also like how easily I can manage all my projects in one place.
PR
System Analyst at a consumer goods company with 10,001+ employees
May 17, 2018
Reduces the manual labor in compiling and deploying applications and generating procedural code (by reducing development bureaucracy/processes, resulting in real gains). The LifeTime Server approach, requiring just a few steps to publish applications in production environments, is fantastic.
CB
Software Engineer at a logistics company with 10,001+ employees
May 17, 2018
The most valuable feature is Agile development. I love that you save a lot of time on development and can focus on logic and business requirements.
Learn what your peers think about OutSystems. Get advice and tips from experienced pros sharing their opinions. Updated: December 2025.
879,422 professionals have used our research since 2012.
VR
Outsystems Consultant at a tech services company with 1-10 employees
May 17, 2018
For me, the most valuable feature is the flexibility the tools give us to change any customer requirements on the fly, when we are in a meeting. I also like how easy it is to deploy the code between environments and how easy it is to integrate OutSystems with other systems.
PJ
Associate Architect at a tech services company with 1,001-5,000 employees
May 17, 2018
The most important features of this tool are its visual modeling capabilities and drag and drop functionality. You can see what you are coding which makes it easy to understand and maintain. They have also created a big revolution in digital transformation by introducing native mobile app development under the same IDE.
it_user877131 - PeerSpot reviewer
IT Application Developer at a hospitality company with 5,001-10,000 employees
May 23, 2018
Refactoring with TrueChange is very simple.
AB
Dec 3, 2019
You can go huge - so it is definitely a scalable solution.
reviewer1401765 - PeerSpot reviewer
Director Technology at a tech vendor with 10,001+ employees
Aug 16, 2020
One thing I like about OutSystems is that there's no lock-in. You can keep running your applications because it's on .NET and hosted centrally. That's one of the advantages I see there in terms of not having an IT strategy that has a dependency on a particular platform.
reviewer1406268 - PeerSpot reviewer
Head of Technology & Governance at a government with 5,001-10,000 employees
Sep 29, 2020
We have no complaints surrounding both the scalability and stability of this solution.
reviewer1278699 - PeerSpot reviewer
Technology Manager at a pharma/biotech company with 10,001+ employees
Jan 25, 2021
I like the mobile features the most, and there are also various features around the portal we created that I enjoy.
 

OutSystems Cons review quotes

MA
Analyst - RAD Technical at a manufacturing company with 10,001+ employees
May 15, 2018
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.
PR
System Analyst at a consumer goods company with 10,001+ employees
May 17, 2018
OutSystems does not provide any native reporting resources. All reports must be created with other tools or as a webpage.
CB
Software Engineer at a logistics company with 10,001+ employees
May 17, 2018
Mobile apps need improvement.
Learn what your peers think about OutSystems. Get advice and tips from experienced pros sharing their opinions. Updated: December 2025.
879,422 professionals have used our research since 2012.
VR
Outsystems Consultant at a tech services company with 1-10 employees
May 17, 2018
The latest version of the app generation tools could be more user-friendly.
PJ
Associate Architect at a tech services company with 1,001-5,000 employees
May 17, 2018
There are many tutorials available but they are very basic and good for learning the platform. To develop an enterprise-grade application, advanced tutorials need to be developed to help IT professionals design/develop high-quality/performance applications.
it_user877131 - PeerSpot reviewer
IT Application Developer at a hospitality company with 5,001-10,000 employees
May 23, 2018
When shared extensions are updated, all the applications are redeployed.
AB
Dec 3, 2019
It needs improvement in the AI capability.
reviewer1401765 - PeerSpot reviewer
Director Technology at a tech vendor with 10,001+ employees
Aug 16, 2020
The integration points need to be increased. People have also started to adopt this solution for their regular needs. That means it's not only the big enterprises that are adopting this solution. There are also small and medium enterprises that are adopting it. I've read that where you have large deployments, OutSystems starts to crumble a bit. That is the idea that no customer would know at the beginning and would also not like to hit the wall there. When it is on the client, there are a lot of applications already on low-code, and then suddenly you realize that you want to do some big applications, and you face hurdles. This is the general feedback for all such platforms.
reviewer1406268 - PeerSpot reviewer
Head of Technology & Governance at a government with 5,001-10,000 employees
Sep 29, 2020
The technical features are good, but the actual commercialization is out of reach.
reviewer1278699 - PeerSpot reviewer
Technology Manager at a pharma/biotech company with 10,001+ employees
Jan 25, 2021
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.