# Stimmtrainer vs Cosmos

The clearest difference is update cadence: Cosmos at every 2 days against Stimmtrainer's every 28 months. Stimmtrainer's advantage is iOS requirement (9.3 vs 15.1). 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.

Stimmtrainer ships an update every 28 months, Cosmos every 2 days. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Stimmtrainer | Cosmos |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 47 MB | 64 MB |
| Requires iOS | **9.3** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beltz Verlagsgruppe GmbH & Co. KG](https://appshunter.io/developer/681764955) | [Hannes Gerlach](https://appshunter.io/developer/1875761024) |

## What reviewers say

### Stimmtrainer

[App page](https://appshunter.io/ios/app/stimmtrainer/id797001718)

Enhance your professional speaking skills with expert guidance. Learn to use your voice effectively in any situation through professional audio examples and by recording and reviewing your own speech.

**Highlights:** Professional speaking techniques, Audio examples from professionals, Voice recording and analysis, Progress tracking, Complementary to 'Sprechen wie der Profi' book

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

**In-app purchases:** none


### Cosmos

[App page](https://appshunter.io/ios/app/cosmos/id6783899755)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stimmtrainer free?

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

### Is Cosmos free?

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

### Do Stimmtrainer or Cosmos have ads?

Neither Stimmtrainer nor Cosmos shows ads.

### Which is updated more often, Stimmtrainer or Cosmos?

Stimmtrainer ships an update every 28 months, and Cosmos every 2 days. Most recently, Stimmtrainer was updated on October 9, 2026 and Cosmos on October 16, 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.*