# Calculator Sharp vs SK Kaidan Ziggurat Scale

The clearest difference is ads: SK Kaidan Ziggurat Scale at none against Calculator Sharp's shown. SK Kaidan Ziggurat Scale also leads on iOS requirement (9.0 vs 12.0). On price, update cadence, 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.

Calculator Sharp ships an update every 5 months, SK Kaidan Ziggurat Scale every 4 months. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Calculator Sharp | SK Kaidan Ziggurat Scale |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/calculator-sharp/id882461576/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 93.8% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Ad-supported | — |
| Size | 31 MB | 2 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [锦文 游](https://appshunter.io/developer/406832160) | [Niigata Seiki Co., Ltd.](https://appshunter.io/developer/960556292) |

## What reviewers say

### Calculator Sharp

[App page](https://appshunter.io/ios/app/calculator-sharp/id882461576)

This calculator app offers ultra-high precision with up to 37 digits of accuracy. It supports a wide range of complex mathematical functions, including trigonometric, logarithmic, and integral operations, along with step-by-step calculation display and undo/redo functionality.

**Highlights:** Ultra-high precision (37 digits), Supports complex mathematical operations, Displays calculation steps, Undo and redo functionality, Multiple number base conversions, WYSIWYG interface

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

**In-app purchases:** none


### SK Kaidan Ziggurat Scale

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Sharp free?

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

### Is SK Kaidan Ziggurat Scale free?

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

### Do Calculator Sharp or SK Kaidan Ziggurat Scale have ads?

Calculator Sharp shows ads; SK Kaidan Ziggurat Scale does not.

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

Calculator Sharp ships an update every 5 months, and SK Kaidan Ziggurat Scale every 4 months. Most recently, Calculator Sharp was updated on October 24, 2026 and SK Kaidan Ziggurat Scale on October 4, 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.*