# System Designer vs WhiteStar StarDrop

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.

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

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

## The numbers

| Metric | System Designer | WhiteStar StarDrop |
| --- | --- | --- |
| 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 | **Fortnightly** |
| Monetization | Free | — |
| Size | 7 MB | 80 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Erwan Carriou](https://appshunter.io/developer/1102494853) | [Whitestar Communications, Inc.](https://appshunter.io/developer/1486885060) |

## 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


### WhiteStar StarDrop

[App page](https://appshunter.io/ios/app/whitestar-stardrop/id6477874747)

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