# PSO vs SCHUBERT

The clearest difference is ads: SCHUBERT at none against PSO's shown. SCHUBERT also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, 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.

PSO ships an update every 15 months, SCHUBERT every 13 months. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PSO | SCHUBERT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.9 (13 ratings)](https://appshunter.io/ios/app/schubert-audio-plus-video/id1233278953/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | — | 31.4% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 15 months | **Every 13 months** |
| Monetization | — | Free |
| Size | 43 MB | 71 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Staatlich anerkannte Physiotherapie-Schule Ortenau gGmbH](https://appshunter.io/developer/1045949845) | [Harald Schubert (Leipzig)](https://appshunter.io/developer/1233278952) |

## What reviewers say

### PSO

[App page](https://appshunter.io/ios/app/pso/id1045949846)

**Features:** macOS Compatibility

**In-app purchases:** none


### SCHUBERT

[App page](https://appshunter.io/ios/app/schubert-audio-plus-video/id1233278953)

Access complete audio texts for selected textbooks on your mobile device. This app serves as an alternative to physical CDs, allowing offline playback of downloaded content. It supports various German language learning books.

**Highlights:** Complete audio texts for textbooks, Offline playback, Alternative to CDs, Supports multiple German language levels, Digital supplemental material

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PSO free?

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

### Is SCHUBERT free?

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

### Do PSO or SCHUBERT have ads?

PSO shows ads; SCHUBERT does not.

### Which is updated more often, PSO or SCHUBERT?

PSO ships an update every 15 months, and SCHUBERT every 13 months. Most recently, PSO was updated on October 7, 2026 and SCHUBERT on October 24, 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.*