# Postrack Mobile vs JSC Koncernen

The clearest difference is update cadence: JSC Koncernen at daily against Postrack Mobile's every 17 months. JSC Koncernen also leads on iOS requirement (11.0 vs 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.

Postrack Mobile ships an update every 17 months, JSC Koncernen daily. The most recent releases landed on September 9, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | Postrack Mobile | JSC Koncernen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Daily** |
| Size | 8 MB | 5 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Postrack Europe AB](https://appshunter.io/developer/1540570654) | [Roxx Communication Group](https://appshunter.io/developer/408833746) |

## What reviewers say

### Postrack Mobile

[App page](https://appshunter.io/ios/app/postrack-mobile/id1296854151)

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

**In-app purchases:** none


### JSC Koncernen

[App page](https://appshunter.io/ios/app/jsc-koncernen/id6739699623)

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

**In-app purchases:** none


## Frequently asked questions

### Is Postrack Mobile free?

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

### Is JSC Koncernen free?

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

### Do Postrack Mobile or JSC Koncernen have ads?

Neither Postrack Mobile nor JSC Koncernen shows ads.

### Which is updated more often, Postrack Mobile or JSC Koncernen?

Postrack Mobile ships an update every 17 months, and JSC Koncernen daily. Most recently, Postrack Mobile was updated on September 9, 2026 and JSC Koncernen on August 26, 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.*