# Schallpause vs twall

The clearest difference is in-app purchases: twall at none against Schallpause's 3. twall also leads on ads (none vs shown). Schallpause's advantage is update cadence (every 6 months vs every 17 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Schallpause sells 3 in-app purchases, starting at $6.99 per month. twall asks for nothing beyond the download.

Schallpause ships an update every 6 months, twall every 17 months. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Schallpause | twall |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 86.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 months** | Every 17 months |
| Monetization | Free with in-app purchases | — |
| Size | 113 MB | 7 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [projekt-dialog GmbH](https://appshunter.io/developer/1792388819) | [IMM electronics GmbH](https://appshunter.io/developer/1441759125) |

## What reviewers say

### Schallpause

[App page](https://appshunter.io/ios/app/schallpause/id1446250821)

This app uses frequency-modulated music based on neuroscientific research to promote regeneration and improve sleep, concentration, and performance. It offers a new way to access music programs designed to positively influence the autonomic nervous system.

**Highlights:** Frequency-modulated music programs, Supports regeneration and recovery, Improves sleep quality, Enhances concentration, Based on neuroscientific research, Includes nature sounds and binaural beats

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Schallpause Monatlich | $6.99 | per month |
| Drei Monate | $17.99 | per 3 months |
| Schallpause Lebenslang | $149.00 | one-time |


### twall

[App page](https://appshunter.io/ios/app/twall/id1544271446)

**In-app purchases:** none


## Frequently asked questions

### Is Schallpause free?

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

### Is twall free?

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

### Do Schallpause or twall have ads?

Schallpause shows ads; twall does not.

### Which is updated more often, Schallpause or twall?

Schallpause ships an update every 6 months, and twall every 17 months. Most recently, Schallpause was updated on October 3, 2026 and twall on October 1, 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.*