# CalcKX vs it.4Ecar

The clearest difference is update cadence: CalcKX at every 4 days against it.4Ecar's every 3 weeks. 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, it.4Ecar every 3 weeks. The most recent releases landed on October 17, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | CalcKX | it.4Ecar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 1 MB | 14 MB |
| Requires iOS | **14.1** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Martin Kowollik](https://appshunter.io/developer/1496665932) | [NTT DATA Business Solutions AG](https://appshunter.io/developer/419594691) |

## What reviewers say

### CalcKX

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

**Features:** macOS Compatibility

**In-app purchases:** none


### it.4Ecar

[App page](https://appshunter.io/ios/app/it4ecar/id1604357558)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CalcKX free?

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

### Is it.4Ecar free?

it.4Ecar is free to download, with no in-app purchases.

### Do CalcKX or it.4Ecar have ads?

Neither CalcKX nor it.4Ecar shows ads.

### Which is updated more often, CalcKX or it.4Ecar?

CalcKX ships an update every 4 days, and it.4Ecar every 3 weeks. Most recently, CalcKX was updated on October 17, 2026 and it.4Ecar on September 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.*