# Leiterprüfer vs HSE 4.0

The clearest difference is iOS requirement: Leiterprüfer at 11.0 against HSE 4.0's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 8 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | Leiterprüfer | HSE 4.0 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | Every 8 months |
| Size | 30 MB | 9 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Secumundi GmbH](https://appshunter.io/developer/974668070) | [moraleda GmbH](https://appshunter.io/developer/1475263226) |

## What reviewers say

### Leiterprüfer

[App page](https://appshunter.io/ios/app/leiterprufer/id507085770)

**Features:** macOS Compatibility

**In-app purchases:** none


### HSE 4.0

[App page](https://appshunter.io/ios/app/hse-40/id1475263227)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Leiterprüfer free?

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

### Is HSE 4.0 free?

HSE 4.0 is free to download, with no in-app purchases.

### Do Leiterprüfer or HSE 4.0 have ads?

Neither Leiterprüfer nor HSE 4.0 shows ads.

### Which is updated more often, Leiterprüfer or HSE 4.0?

Leiterprüfer ships an update every 8 months, and HSE 4.0 every 8 months. Most recently, Leiterprüfer was updated on October 26, 2026 and HSE 4.0 on October 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.*