# Just A Calc vs ClearKey Calc

The clearest difference is iOS requirement: Just A Calc at 12.0 against ClearKey Calc's 15.1. 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.

## The numbers

| Metric | Just A Calc | ClearKey Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | — |
| Size | 10 MB | 30 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tom Doherty](https://appshunter.io/developer/1112286724) | [鹏飞 陈](https://appshunter.io/developer/1891216752) |

## What reviewers say

### Just A Calc

[App page](https://appshunter.io/ios/app/just-a-calc/id1112349564)

**Features:** macOS Compatibility

**In-app purchases:** none


### ClearKey Calc

[App page](https://appshunter.io/ios/app/clearkey-calc/id6761746376)

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

**In-app purchases:** none


## Frequently asked questions

### Is Just A Calc free?

Just A Calc is free to download, with no in-app purchases.

### Is ClearKey Calc free?

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

### Do Just A Calc or ClearKey Calc have ads?

Neither Just A Calc nor ClearKey Calc shows ads.

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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.*