Software&Engineering vs System Designer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Software&Engineering
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Get the latest software engineering tips and trends. Information about software development and programming at your finger tips. Learn about programming and software engineering techniques.
System Designer
Design complex systems using a low-code platform that leverages UML standards. Generate code skeletons and manage components graphically. Run and test your system with dynamic type checking.
- UML-based system modeling
- Code skeleton generation
- Graphical component creation
- MSON format for model definition
- Dynamic type checking
- Cross-device synchronization via GitHub
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System Designer is a low-code development platform for creating systems. No matter the frameworks you use and the code you write, the most important is the model that you define to create your system. System Designer helps you to design this model and to generate the classes and components to build your system. DESIGN YOUR SYSTEM WITH EASE If you look at the different JavaScript frameworks on the market, you will notice that they all have their own way to define a model, generally only with code. System Designer uses UML, a standard, to define your model. So you probably already know how to design in System Designer even if you have never run it. The definition of the model is stored on a JSON format called MSON. With MSON you can define types, classes, one to one / one to many relationships and multi inheritance between classes. CODE THE BEHAVIOR OF YOUR SYSTEM Once you have created your model, System Designer generates the skeletons of all your methods. You only have then to add your code to implement them. System Designer provides you helpers to manage your components. You can easily navigate threw your components to create your application. CREATE COMPONENTS GRAPHICALLY There is no need to code to instantiate a component. Create a component in System Designer is like creating a document in a NoSQL Database. In fact, System Designer acts as an ODM (Object-Document Mapper) to manage your components as NoSQL Documents. RUN YOUR SYSTEM You can run your system directly from System Designer. Because you have defined a model for your application, a Dynamic Type Check is done on every action of your system. All warnings are send and shown in System Designer. DESIGN ON THE GO System Designer can be used on macOS, iPad or any browsers. System Designer has a Github module to synchronize your work between all these apps. You can begin your design on your Mac and then continue it on your iPad.
Screenshots
Verdict
The clearest difference is update cadence: System Designer at monthly against Software&Engineering's every 55 months. Software&Engineering's advantage is iOS requirement (6.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Software&Engineering ships an update every 55 months, System Designer monthly. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.
| Parameter | Software&Engineering | System Designer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.4 (17 ratings) — better |
| Positive reviews | — | 77.8% of reviews |
| Number of ratings | — | 17 — better |
| Update frequency | Every 55 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 1 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Optimitek LLC | Erwan Carriou |
In-app purchases
Software&Engineering
No in-app purchases
System Designer
No in-app purchases
Questions
Is Software&Engineering free?
Is System Designer free?
Do Software&Engineering or System Designer have ads?
Which is updated more often, Software&Engineering or System Designer?
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