# System Designer vs LimeBoard_KR

The clearest difference is update cadence: LimeBoard_KR at every 10 days against System Designer's monthly. LimeBoard_KR also leads on iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

System Designer ships an update monthly, LimeBoard_KR every 10 days. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | System Designer | LimeBoard_KR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (17 ratings)](https://appshunter.io/ios/app/system-designer/id1132983280/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free | — |
| Size | 7 MB | 33 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Erwan Carriou](https://appshunter.io/developer/1102494853) | [Biodiv Inc.](https://appshunter.io/developer/1651127731) |

## What reviewers say

### System Designer

[App page](https://appshunter.io/ios/app/system-designer/id1132983280)

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:** macOS Compatibility

**In-app purchases:** none


### LimeBoard_KR

[App page](https://appshunter.io/ios/app/limeboard-kr/id6443972386)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is System Designer free?

System Designer is free to download, with no in-app purchases.

### Is LimeBoard_KR free?

LimeBoard_KR is free to download, with no in-app purchases.

### Do System Designer or LimeBoard_KR have ads?

Neither System Designer nor LimeBoard_KR shows ads.

### Which is updated more often, System Designer or LimeBoard_KR?

System Designer ships an update monthly, and LimeBoard_KR every 10 days. Most recently, System Designer was updated on October 6, 2026 and LimeBoard_KR on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*