# Unicab vs Käerjeng

The clearest difference is update cadence: Käerjeng at weekly against Unicab's every 5 months. Unicab'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.

Unicab ships an update every 5 months, Käerjeng weekly. The most recent releases landed on September 10, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Unicab | Käerjeng |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Size | 82 MB | 75 MB |
| Requires iOS | **13.4** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mon Appli VTC](https://appshunter.io/developer/1437377960) | [Kaerjeng](https://appshunter.io/developer/1496970787) |

## What reviewers say

### Unicab

[App page](https://appshunter.io/ios/app/unicab/id1459985779)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Käerjeng

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Unicab free?

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

### Is Käerjeng free?

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

### Do Unicab or Käerjeng have ads?

Neither Unicab nor Käerjeng shows ads.

### Which is updated more often, Unicab or Käerjeng?

Unicab ships an update every 5 months, and Käerjeng weekly. Most recently, Unicab was updated on September 10, 2026 and Käerjeng on September 14, 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.*