# Rathscheck "Schiefer vs smartDach

The clearest difference is update cadence: smartDach at every 3 months against Rathscheck "Schiefer's every 10 months. Rathscheck "Schiefer's advantage is iOS requirement (12.0 vs 15.0). 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.

Rathscheck "Schiefer ships an update every 10 months, smartDach every 3 months. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Rathscheck "Schiefer | smartDach |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Size | 171 MB | 130 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [I.B. Rathscheck Soehne KG Moselschiefer-Bergwerke](https://appshunter.io/developer/540391441) | [Marco Heine](https://appshunter.io/developer/1504273741) |

## What reviewers say

### Rathscheck "Schiefer

[App page](https://appshunter.io/ios/app/rathscheck-schiefer-tools/id540391438)

**Features:** macOS Compatibility

**In-app purchases:** none


### smartDach

[App page](https://appshunter.io/ios/app/smartdach/id6446439097)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rathscheck "Schiefer free?

Rathscheck "Schiefer is free to download, with no in-app purchases.

### Is smartDach free?

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

### Do Rathscheck "Schiefer or smartDach have ads?

Neither Rathscheck "Schiefer nor smartDach shows ads.

### Which is updated more often, Rathscheck "Schiefer or smartDach?

Rathscheck "Schiefer ships an update every 10 months, and smartDach every 3 months. Most recently, Rathscheck "Schiefer was updated on October 4, 2026 and smartDach on October 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.*