# Käerjeng vs POST Parcels & Mail

The clearest difference is update cadence: Käerjeng at weekly against POST Parcels & Mail's every 5 weeks. POST Parcels & Mail's advantage is iOS requirement (13.4 vs 16.0). 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.

Käerjeng ships an update weekly, POST Parcels & Mail every 5 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Käerjeng | POST Parcels & Mail |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Size | 76 MB | 40 MB |
| Requires iOS | 16.0 | **13.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kaerjeng](https://appshunter.io/developer/1496970787) | [POST Luxembourg](https://appshunter.io/developer/669984943) |

## What reviewers say

### Käerjeng

[App page](https://appshunter.io/ios/app/kaerjeng/id1496970788)

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

**In-app purchases:** none


### POST Parcels & Mail

[App page](https://appshunter.io/ios/app/post-parcels-and-mail/id1638750103)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Käerjeng free?

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

### Is POST Parcels & Mail free?

POST Parcels & Mail is free to download, with no in-app purchases.

### Do Käerjeng or POST Parcels & Mail have ads?

Neither Käerjeng nor POST Parcels & Mail shows ads.

### Which is updated more often, Käerjeng or POST Parcels & Mail?

Käerjeng ships an update weekly, and POST Parcels & Mail every 5 weeks. Most recently, Käerjeng was updated on October 27, 2026 and POST Parcels & Mail on October 24, 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.*