# World Hydrogen Week vs BGS Event App

The clearest difference is iOS requirement: World Hydrogen Week at 13.0 against BGS Event App's 15.0.0. 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 | World Hydrogen Week | BGS Event App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 56 MB | 54 MB |
| Requires iOS | **13.0** | 15.0.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Corporate Energy Network](https://appshunter.io/developer/1495958809) | [BGS Group LLC](https://appshunter.io/developer/1843605381) |

## What reviewers say

### World Hydrogen Week

[App page](https://appshunter.io/ios/app/world-hydrogen-week/id6463117748)

**Features:** macOS Compatibility

**In-app purchases:** none


### BGS Event App

[App page](https://appshunter.io/ios/app/bgs-event-app/id6753342613)

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

**In-app purchases:** none


## Frequently asked questions

### Is World Hydrogen Week free?

World Hydrogen Week is free to download, with no in-app purchases.

### Is BGS Event App free?

BGS Event App is free to download, with no in-app purchases.

### Do World Hydrogen Week or BGS Event App have ads?

Neither World Hydrogen Week nor BGS Event App 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.*