# Linde Events vs World Hydrogen Summit

The clearest difference is iOS requirement: World Hydrogen Summit at 10.0 against Linde Events's 15.0. 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 | Linde Events | World Hydrogen Summit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 38 MB | 22 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Linde GmbH](https://appshunter.io/developer/657403417) | [Reed Exhibitions Ltd](https://appshunter.io/developer/540373170) |

## What reviewers say

### Linde Events

[App page](https://appshunter.io/ios/app/linde-events/id6503826499)

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

**In-app purchases:** none


### World Hydrogen Summit

[App page](https://appshunter.io/ios/app/world-hydrogen-summit/id6767046850)

**In-app purchases:** none


## Frequently asked questions

### Is Linde Events free?

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

### Is World Hydrogen Summit free?

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

### Do Linde Events or World Hydrogen Summit have ads?

Neither Linde Events nor World Hydrogen Summit 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.*