# JustCalc vs Arithon Calculator

The clearest difference is device support: Arithon Calculator at 3 against JustCalc's —. JustCalc's advantage is iOS requirement (13.0 vs 15.1). On price and in-app purchases 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 | JustCalc | Arithon Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Weekly |
| Size | 24 MB | 31 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hean Zhen Gooi](https://appshunter.io/developer/1650757973) | [Mind Mirage Apps Ltd](https://appshunter.io/developer/1896465995) |

## What reviewers say

### JustCalc

[App page](https://appshunter.io/ios/app/justcalc-smart-calculator/id6760839729)

**In-app purchases:** none


### Arithon Calculator

[App page](https://appshunter.io/ios/app/arithon-calculator/id6767340730)

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

**In-app purchases:** none


## Frequently asked questions

### Is JustCalc free?

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

### Is Arithon Calculator free?

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

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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.*