# Altmannstein vs SLOC SDM

The clearest difference is update cadence: SLOC SDM at every 8 months against Altmannstein's every 16 months. Altmannstein's advantage is iOS requirement (13.0 vs 15.5). 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.

Altmannstein ships an update every 16 months, SLOC SDM every 8 months. The most recent releases landed on June 2, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Altmannstein | SLOC SDM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 8 months** |
| Size | 28 MB | 52 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Markt Altmannstein](https://appshunter.io/developer/1543393218) | [SLOC GmbH](https://appshunter.io/developer/1792188972) |

## What reviewers say

### Altmannstein

[App page](https://appshunter.io/ios/app/altmannstein/id1543393216)

**Features:** macOS Compatibility

**In-app purchases:** none


### SLOC SDM

[App page](https://appshunter.io/ios/app/sloc-sdm/id6740913367)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Altmannstein free?

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

### Is SLOC SDM free?

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

### Do Altmannstein or SLOC SDM have ads?

Neither Altmannstein nor SLOC SDM shows ads.

### Which is updated more often, Altmannstein or SLOC SDM?

Altmannstein ships an update every 16 months, and SLOC SDM every 8 months. Most recently, Altmannstein was updated on June 2, 2026 and SLOC SDM on September 9, 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.*