# CalcKX vs KuCalc

The clearest difference is update cadence: CalcKX at every 4 days against KuCalc's every 3 months. KuCalc's advantage is iOS requirement (11.0 vs 14.1). 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.

CalcKX ships an update every 4 days, KuCalc every 3 months. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CalcKX | KuCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 months |
| Size | 1 MB | 1 MB |
| Requires iOS | 14.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Martin Kowollik](https://appshunter.io/developer/1496665932) | [Mineaki Sakatoku](https://appshunter.io/developer/1674976728) |

## What reviewers say

### CalcKX

[App page](https://appshunter.io/ios/app/calckx/id1583409123)

**Features:** macOS Compatibility

**In-app purchases:** none


### KuCalc

[App page](https://appshunter.io/ios/app/kucalc/id6445941447)

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

**In-app purchases:** none


## Frequently asked questions

### Is CalcKX free?

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

### Is KuCalc free?

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

### Do CalcKX or KuCalc have ads?

Neither CalcKX nor KuCalc shows ads.

### Which is updated more often, CalcKX or KuCalc?

CalcKX ships an update every 4 days, and KuCalc every 3 months. Most recently, CalcKX was updated on October 25, 2026 and KuCalc on October 30, 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.*