# Mersch vs BD Contern

The clearest difference is update cadence: Mersch at weekly against BD Contern's every 10 months. Mersch also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Mersch ships an update weekly, BD Contern every 10 months. Both last shipped on October 2, 2026.

## The numbers

| Metric | Mersch | BD Contern |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Weekly** | Every 10 months |
| Size | 76 MB | 55 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Administration communale de Mersch](https://appshunter.io/developer/1531267632) | [MackNet Sarl](https://appshunter.io/developer/484649388) |

## What reviewers say

### Mersch

[App page](https://appshunter.io/ios/app/mersch/id1531267630)

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

**In-app purchases:** none


### BD Contern

[App page](https://appshunter.io/ios/app/bd-contern/id6503652478)

**In-app purchases:** none


## Frequently asked questions

### Is Mersch free?

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

### Is BD Contern free?

BD Contern is free to download, with no in-app purchases.

### Which is updated more often, Mersch or BD Contern?

Mersch ships an update weekly, and BD Contern every 10 months. Most recently, Mersch was updated on October 2, 2026 and BD Contern on October 2, 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.*