# Mega Calcs vs AirOApp by Mega Plast

The clearest difference is device support: AirOApp by Mega Plast at 2 against Mega Calcs's —. AirOApp by Mega Plast also leads on iOS requirement (13.0 vs 16.0). 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 | Mega Calcs | AirOApp by Mega Plast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 4 weeks |
| Size | 131 MB | 15 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [STAVROS SOTIRCHOS](https://appshunter.io/developer/648249768) | [ProgressNet](https://appshunter.io/developer/1509775083) |

## What reviewers say

### Mega Calcs

[App page](https://appshunter.io/ios/app/mega-calcs/id1119643611)

**In-app purchases:** none


### AirOApp by Mega Plast

[App page](https://appshunter.io/ios/app/airoapp-by-mega-plast/id1593610029)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mega Calcs free?

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

### Is AirOApp by Mega Plast free?

AirOApp by Mega Plast 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.*