# Stamm vs HU adv

The clearest difference is update cadence: HU adv at every 3 weeks against Stamm's every 10 months. Stamm's advantage is iOS requirement (13.0 vs 15). 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.

Stamm ships an update every 10 months, HU adv every 3 weeks. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Stamm | HU adv |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Size | 98 MB | 58 MB |
| Requires iOS | **13.0** | 15 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Karl-Heinz Stamm GmbH](https://appshunter.io/developer/1524756482) | [Hutter & Unger GmbH Werbeagentur](https://appshunter.io/developer/924818736) |

## What reviewers say

### Stamm

[App page](https://appshunter.io/ios/app/stamm/id1524756480)

**Features:** macOS Compatibility

**In-app purchases:** none


### HU adv

[App page](https://appshunter.io/ios/app/hu-adv/id6737228319)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stamm free?

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

### Is HU adv free?

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

### Do Stamm or HU adv have ads?

Neither Stamm nor HU adv shows ads.

### Which is updated more often, Stamm or HU adv?

Stamm ships an update every 10 months, and HU adv every 3 weeks. Most recently, Stamm was updated on November 7, 2026 and HU adv on November 8, 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.*