# Oriolus Deutsch Mathematik DaZ vs Lernserver

The clearest difference is in-app purchases: Oriolus Deutsch Mathematik DaZ at none against Lernserver's 4. Oriolus Deutsch Mathematik DaZ also leads on update cadence (every 2 months vs every 17 months). Lernserver's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Lernserver sells 3 one-off in-app purchases. Oriolus Deutsch Mathematik DaZ asks for nothing beyond the download.

Oriolus Deutsch Mathematik DaZ ships an update every 2 months, Lernserver every 17 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Oriolus Deutsch Mathematik DaZ | Lernserver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 17 months |
| Size | 931 MB | 58 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Orioles Lernprogramme GmbH](https://appshunter.io/developer/1105848071) | [Lernserver](https://appshunter.io/developer/1481559642) |

## What reviewers say

### Oriolus Deutsch Mathematik DaZ

[App page](https://appshunter.io/ios/app/oriolus-deutsch-mathematik-daz/id1454370086)

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

**In-app purchases:** none


### Lernserver

[App page](https://appshunter.io/ios/app/lernserver/id1481559643)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Testeingabe (LS-Team) | $1.99 | one-time |
| Diagnose (kompakt) | $3.99 | one-time |
| Diagnose und Testeingabe | $5.99 | one-time |


## Frequently asked questions

### Is Oriolus Deutsch Mathematik DaZ free?

Oriolus Deutsch Mathematik DaZ is free to download, with no in-app purchases.

### Is Lernserver free?

Lernserver is free to download, with in-app purchases available.

### Do Oriolus Deutsch Mathematik DaZ or Lernserver have ads?

Neither Oriolus Deutsch Mathematik DaZ nor Lernserver shows ads.

### Which is updated more often, Oriolus Deutsch Mathematik DaZ or Lernserver?

Oriolus Deutsch Mathematik DaZ ships an update every 2 months, and Lernserver every 17 months. Most recently, Oriolus Deutsch Mathematik DaZ was updated on October 29, 2026 and Lernserver on October 25, 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.*