Comparison

System Designer vs WhiteStar StarDrop

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • UML-based system modeling
  • Code skeleton generation
  • Graphical component creation
  • MSON format for model definition
  • Dynamic type checking
  • Cross-device synchronization via GitHub
Features
Read full description

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.

About

WhiteStar StarDrop

Features
Read full description

WhiteStar's StarDrop is an anywhere-to-anywhere, post-quantum encrypted file transfer system that allows you to send files, pictures, videos and more (of any size of course!) to any StarFiles server. Transfers do not pass through a Cloud, and thus are much faster than other solutions. If your company is already using StarFiles, StarDrop is your mobile solution, fully integrated into the WhiteStar ecosystem. That means quick, fully encrypted file transfers to and from anywhere in the world over the WhiteStar Secure Overlay Network. StarDrop has full end-to-end pure post-quantum cryptography (Category 5) utilizing ML-KEM-1024 and ML-DSA-87 algorithms, alongside SHA-512 and AES-256. This protects your data against not just traditional brute-force attacks, but also secures your data against quantum superposition and factoring. New private keys are generated every time you start a transfers, with unique keys rolled on every packet, making your file transfers incredibly safe, even in hostile environments. Importantly, because WhiteStar StarDrop is not bound by the technical limitations of TCP/IP, and instead uses dynamically scaled packet size over the WhiteStar Network, there is not a 1:1 relationship between keys and content, making it far harder to intercept network frames containing key exchange information, let alone deciphering keying information. This is a marked improvement over older systems that utilize SFTP, AFP, Wireguard and other network security solutions for transferring data remotely. And of course, because it's fully integrated into the WhiteStar ecosystem, you can optionally receive detailed sensor data on data transferred through your organization's WhiteStar Files servers - but importantly, this data ALWAYS stays within your organization's control, is fully private, and is not seen by anyone outside of your company. Plus, StarDrop is integrated into the WhiteStar Dashboard for quick visibility into network traffic (that only your organization can see), email notifications on completion of StarDrops, enterprise-level server access controls and more! StarDrop encryption is automatic, and doesn't require you to worry about encrypting or decrypting your files, making or managing passwords, or teaching clients how to use complex cryptography tools. We do the hard part for you, so you can focus on what you do best and let us handle the heavy lifting of complex state-of-the-art cryptography. Never send secure documents over email again. Use StarDrop instead to easily encrypt and send your sensitive files!

Screenshots

System Designer3 screens
WhiteStar StarDrop4 screens

Verdict

The call

System Designer and WhiteStar StarDrop are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

System Designer ships an update monthly, WhiteStar StarDrop fortnightly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

ScorecardNo meaningful differences
System Designer versus WhiteStar StarDrop: the parameters behind the verdict, then further details
ParameterSystem DesignerWhiteStar StarDrop
PriceFreeFree
Rating4.4 (17 ratings) — better—
Positive reviews77.8% of reviews—
Number of ratings17 — better—
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.6 — better16.6
Further details — not scored
Size7 MB80 MB
Age rating4+4+
DeveloperErwan CarriouWhitestar Communications, Inc.

In-app purchases

None

System Designer

No in-app purchases

None

WhiteStar StarDrop

No in-app purchases

Questions

Is System Designer free?
System Designer is free to download, with no in-app purchases.
Is WhiteStar StarDrop free?
WhiteStar StarDrop is free to download, with no in-app purchases.
Do System Designer or WhiteStar StarDrop have ads?
Neither System Designer nor WhiteStar StarDrop shows ads.
Which is updated more often, System Designer or WhiteStar StarDrop?
System Designer ships an update monthly, and WhiteStar StarDrop fortnightly. Most recently, System Designer was updated on October 23, 2026 and WhiteStar StarDrop on October 24, 2026.

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