# Flight CO2 Calculator vs SGem

The clearest difference is device support: Flight CO2 Calculator at 2 against SGem's —. Flight CO2 Calculator also leads on iOS requirement (8.0 vs 17.0). 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 | Flight CO2 Calculator | SGem |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Size | 43 MB | 1 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Andrea Bizzotto](https://appshunter.io/developer/539165502) | [Tinkercademy Community Showcase](https://appshunter.io/developer/1436937929) |

## What reviewers say

### Flight CO2 Calculator

[App page](https://appshunter.io/ios/app/flight-co2-calculator/id1442575809)

**Features:** macOS Compatibility

**In-app purchases:** none


### SGem

[App page](https://appshunter.io/ios/app/sgem/id6473663191)

**In-app purchases:** none


## Frequently asked questions

### Is Flight CO2 Calculator free?

Flight CO2 Calculator is free to download, with no in-app purchases.

### Is SGem free?

SGem 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.*