# EU Hydrogen Week vs K&Ö

The clearest difference is update cadence: EU Hydrogen Week at every 4 days against K&Ö's every 7 months. K&Ö's advantage is monetization model (free vs ad-supported) and device support (3 vs 1). On price, ads 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.

EU Hydrogen Week ships an update every 4 days, K&Ö every 7 months. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | EU Hydrogen Week | K&Ö |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/k-and-o/id6444117800/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 7 months |
| Monetization | Ad-supported | **Free** |
| Size | 146 MB | 36 MB |
| Requires iOS | 17.4 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MCI Benelux SA](https://appshunter.io/developer/1396317550) | [Koerner & Oelkers GmbH](https://appshunter.io/developer/1652456900) |

## What reviewers say

### EU Hydrogen Week

[App page](https://appshunter.io/ios/app/eu-hydrogen-week/id6443740172)

This app provides information for the European Hydrogen Week event, including conference details, B2B forums, and exhibition schedules. It serves as a guide for attendees to navigate the full program.

**Highlights:** Event program details, Conference information, B2B Forum schedule, Exhibition details, Event navigation

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

**In-app purchases:** none


### K&Ö

[App page](https://appshunter.io/ios/app/k-and-o/id6444117800)

This app facilitates communication and management for residential living. It connects residents, owners, and property managers for seamless housing operations. Key features include notifications, damage reporting, classified ads, direct messaging, and access to documents.

**Highlights:** Important notifications and deadlines, Smartphone damage reporting with photos, Classified ads for housing needs, Direct messaging within the community, Access to important documents 24/7, Regular advice articles for residents

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EU Hydrogen Week free?

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

### Is K&Ö free?

K&Ö is free to download, with no in-app purchases.

### Do EU Hydrogen Week or K&Ö have ads?

Neither EU Hydrogen Week nor K&Ö shows ads.

### Which is updated more often, EU Hydrogen Week or K&Ö?

EU Hydrogen Week ships an update every 4 days, and K&Ö every 7 months. Most recently, EU Hydrogen Week was updated on October 25, 2026 and K&Ö on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*