# Valve World Expo App vs Krone Filter Solutions

The clearest difference is update cadence: Valve World Expo App at every 5 weeks against Krone Filter Solutions's every 19 months. 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.

Valve World Expo App ships an update every 5 weeks, Krone Filter Solutions every 19 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Valve World Expo App | Krone Filter Solutions |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 19 months |
| Size | 69 MB | 34 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Messe Düsseldorf GmbH](https://appshunter.io/developer/396662243) | [webad - internet advertising GmbH](https://appshunter.io/developer/1629851567) |

## What reviewers say

### Valve World Expo App

[App page](https://appshunter.io/ios/app/valve-world-expo-app/id549846524)

**Features:** macOS Compatibility

**In-app purchases:** none


### Krone Filter Solutions

[App page](https://appshunter.io/ios/app/krone-filter-solutions/id1629851565)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Valve World Expo App free?

Valve World Expo App is free to download, with no in-app purchases.

### Is Krone Filter Solutions free?

Krone Filter Solutions is free to download, with no in-app purchases.

### Do Valve World Expo App or Krone Filter Solutions have ads?

Neither Valve World Expo App nor Krone Filter Solutions shows ads.

### Which is updated more often, Valve World Expo App or Krone Filter Solutions?

Valve World Expo App ships an update every 5 weeks, and Krone Filter Solutions every 19 months. Most recently, Valve World Expo App was updated on November 1, 2026 and Krone Filter Solutions on November 7, 2026.

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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.*