# SK Kaidan Ziggurat Scale vs ZennWidget

The clearest difference is update cadence: ZennWidget at daily against SK Kaidan Ziggurat Scale's every 4 months. SK Kaidan Ziggurat Scale's advantage is iOS requirement (9.0 vs 15.0). 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.

SK Kaidan Ziggurat Scale ships an update every 4 months, ZennWidget daily. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SK Kaidan Ziggurat Scale | ZennWidget |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Size | 2 MB | 36 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Niigata Seiki Co., Ltd.](https://appshunter.io/developer/960556292) | [taishin miyamoto](https://appshunter.io/developer/1570395608) |

## What reviewers say

### SK Kaidan Ziggurat Scale

[App page](https://appshunter.io/ios/app/sk-kaidan-ziggurat-scale/id960556293)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZennWidget

[App page](https://appshunter.io/ios/app/zennwidget/id6448756495)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SK Kaidan Ziggurat Scale free?

SK Kaidan Ziggurat Scale is free to download, with no in-app purchases.

### Is ZennWidget free?

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

### Do SK Kaidan Ziggurat Scale or ZennWidget have ads?

Neither SK Kaidan Ziggurat Scale nor ZennWidget shows ads.

### Which is updated more often, SK Kaidan Ziggurat Scale or ZennWidget?

SK Kaidan Ziggurat Scale ships an update every 4 months, and ZennWidget daily. Most recently, SK Kaidan Ziggurat Scale was updated on November 1, 2026 and ZennWidget on October 31, 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.*