# CalcKX vs mConvertIt

The clearest difference is update cadence: CalcKX at every 4 days against mConvertIt's every 21 months. 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, mConvertIt every 21 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CalcKX | mConvertIt |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 21 months |
| Size | 1 MB | 46 MB |
| Requires iOS | **14.1** | 14.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Martin Kowollik](https://appshunter.io/developer/1496665932) | [Jerry Watson](https://appshunter.io/developer/1647846813) |

## What reviewers say

### CalcKX

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

**Features:** macOS Compatibility

**In-app purchases:** none


### mConvertIt

[App page](https://appshunter.io/ios/app/mconvertit/id6443702534)

**In-app purchases:** none


## Frequently asked questions

### Is CalcKX free?

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

### Is mConvertIt free?

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

### Do CalcKX or mConvertIt have ads?

Neither CalcKX nor mConvertIt shows ads.

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

CalcKX ships an update every 4 days, and mConvertIt every 21 months. Most recently, CalcKX was updated on November 7, 2026 and mConvertIt on November 3, 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.*