# Knauber TankCheck vs Hüffermann

The clearest difference is update cadence: Knauber TankCheck at every 2 months against Hüffermann's every 10 months. 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.

Knauber TankCheck ships an update every 2 months, Hüffermann every 10 months. The most recent releases landed on October 25, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Knauber TankCheck | Hüffermann |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 10 months |
| Size | 13 MB | 22 MB |
| Requires iOS | **12.0** | 12.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Wikon Kommunikationstechnik GmbH](https://appshunter.io/developer/472943917) | [Schwarzmüller](https://appshunter.io/developer/1145468585) |

## What reviewers say

### Knauber TankCheck

[App page](https://appshunter.io/ios/app/knauber-tankcheck/id1553250931)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hüffermann

[App page](https://appshunter.io/ios/app/huffermann/id1611021796)

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

**In-app purchases:** none


## Frequently asked questions

### Is Knauber TankCheck free?

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

### Is Hüffermann free?

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

### Do Knauber TankCheck or Hüffermann have ads?

Neither Knauber TankCheck nor Hüffermann shows ads.

### Which is updated more often, Knauber TankCheck or Hüffermann?

Knauber TankCheck ships an update every 2 months, and Hüffermann every 10 months. Most recently, Knauber TankCheck was updated on October 25, 2026 and Hüffermann on October 5, 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.*