# ZAB vs Autobahn Km

The clearest difference is price: ZAB at Free against Autobahn Km's $0.99. ZAB also leads on device support (4 vs 2) and iOS requirement (14.1 vs 26.0). Autobahn Km's advantage is update cadence (every 5 months vs every 15 months). On ads and in-app purchases there is nothing between them.

ZAB is free to download; Autobahn Km costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ZAB ships an update every 15 months, Autobahn Km every 5 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | ZAB | Autobahn Km |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 5 months** |
| Size | 2 MB | 3 MB |
| Requires iOS | **14.1** | 26.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [anthrazit ag](https://appshunter.io/developer/340158700) | [Peter Oertig](https://appshunter.io/developer/1476064859) |

## What reviewers say

### ZAB

[App page](https://appshunter.io/ios/app/zab/id1110643456)

**In-app purchases:** none


### Autobahn Km

[App page](https://appshunter.io/ios/app/autobahn-km/id1566864364)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZAB free?

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

### Is Autobahn Km free?

Autobahn Km costs $0.99, with no in-app purchases.

### Do ZAB or Autobahn Km have ads?

Neither ZAB nor Autobahn Km shows ads.

### Which is updated more often, ZAB or Autobahn Km?

ZAB ships an update every 15 months, and Autobahn Km every 5 months. Most recently, ZAB was updated on November 2, 2026 and Autobahn Km 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.*