Comparison

System Designer vs MindFlow

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

MindFlow

Easily create structure and flow diagrams with a simple interface. Edit branches, change shapes and themes, and export your creations. Cloud backup and sync across devices are also supported.

Highlights
  • Quick diagram building
  • Easy branch editing
  • Customizable branch shapes
  • Themable diagram interface
  • Cloud backup and sync
  • Export diagrams
Features
Read full description

MindFlow is one of best tools for building structure and flow diagram quickly. It's very easy to use without complex user interface. Click the branch to begin editing, and long press to show menu options that you can move, copy, delete, connect, export for branches. You can change the shape of branches, the theme of diagram in the App Settings. We supports our cloud service to backup and sync files, and you can sync files between different devices. If any question and suggestion, please contact mindline@126.com, thanks!

Screenshots

System Designer3 screens
MindFlow4 screens

Verdict

The call

The clearest difference is in-app purchases: System Designer at none against MindFlow's 3. System Designer also leads on ads (none vs shown) and update cadence (monthly vs every 17 months). MindFlow's advantage is iOS requirement (12.0 vs 15.6). On price, rating, review sentiment and ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. MindFlow sells 3 one-off in-app purchases. System Designer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for System Designer against 4.4 for MindFlow. Both are backed by a comparable volume of ratings — 17 and 33 respectively. Written reviews are what separate them: 78% of System Designer's written reviews are positive against 70% of MindFlow's.

UpkeepUpdate frequency

System Designer ships an update monthly, MindFlow every 17 months. Both last shipped on October 23, 2026.

Scorecard5 real differences · 5 level
System Designer versus MindFlow: the parameters behind the verdict, then further details
ParameterSystem DesignerMindFlow
PriceFreeFree
Rating4.4 (17 ratings)4.4 (33 ratings) — better
Positive reviews77.8% of reviews — better70.2% of reviews
Number of ratings1733 — better
Update frequencyMonthly — betterEvery 17 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size7 MB29 MB
Age rating4+4+
DeveloperErwan CarriouShenzhen Brown Bear Technology Co., LTD

Customer experience

System Designer

All ratings17 ratings
Positive88.2%
Neutral0.0%
Negative11.8%
Written reviews9 reviews
Positive77.8%
Neutral0.0%
Negative22.2%

MindFlow

All ratings33 ratings
Positive84.8%
Neutral9.1%
Negative6.1%
Written reviews47 reviews
Positive70.2%
Neutral14.9%
Negative14.9%

In-app purchases

None

System Designer

No in-app purchases

3 purchases

MindFlow

One-time3
  • Pro Version (3 Months)$2.99
  • Pro Version for One Year$6.99
  • Pro Version Forever$14.99

Questions

Is System Designer free?
System Designer is free to download, with no in-app purchases.
Is MindFlow free?
MindFlow is free to download, with in-app purchases available.
Which has better reviews, System Designer or MindFlow?
MindFlow is rated higher. System Designer averages 4.4 out of 5 from 17 ratings, while MindFlow averages 4.4 from 33 ratings.
Do System Designer or MindFlow have ads?
MindFlow shows ads; System Designer does not.
Which is updated more often, System Designer or MindFlow?
System Designer ships an update monthly, and MindFlow every 17 months. Most recently, System Designer was updated on October 23, 2026 and MindFlow on October 23, 2026.

Other comparisons