# Hydra Trainer vs Einstellungstest

The clearest difference is in-app purchases: Hydra Trainer at none against Einstellungstest's 2. Einstellungstest's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.5). On price, update cadence and ads there is nothing between them.

Both are free to download. Einstellungstest sells 2 in-app purchases, starting at $8.99 per month. Hydra Trainer asks for nothing beyond the download.

Hydra Trainer ships an update weekly, Einstellungstest every 8 days. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Hydra Trainer | Einstellungstest |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 8 days |
| Monetization | Free | — |
| Size | 39 MB | 41 MB |
| Requires iOS | 18.5 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Midnite Compile GmbH](https://appshunter.io/developer/1850145762) | [Sevi Kaptan](https://appshunter.io/developer/1896733817) |

## What reviewers say

### Hydra Trainer

[App page](https://appshunter.io/ios/app/hydra-trainer/id6754796903)

This app offers targeted cognitive training for demanding selection processes, including police, special forces, and leadership courses. It features a variety of exercises to improve logical thinking, pattern recognition, memory, and attention, with adaptive difficulty and progress tracking.

**Highlights:** Number sequences and equations, Matrix and pattern recognition, Anagrams and word finding, Pauli-style arithmetic tests, Folding template test, Occluded motion test, Memory test, Stroop, d-Test & Form Focus Test

**Features:** macOS Compatibility

**In-app purchases:** none


### Einstellungstest

[App page](https://appshunter.io/ios/app/einstellungstest-testtrainer/id6770329714)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monatsabonnement | $8.99 | per month |
| 3-Monatsabonnement | $22.99 | per 3 months |


## Frequently asked questions

### Is Hydra Trainer free?

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

### Is Einstellungstest free?

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

### Do Hydra Trainer or Einstellungstest have ads?

Neither Hydra Trainer nor Einstellungstest shows ads.

### Which is updated more often, Hydra Trainer or Einstellungstest?

Hydra Trainer ships an update weekly, and Einstellungstest every 8 days. Most recently, Hydra Trainer was updated on September 21, 2026 and Einstellungstest on September 19, 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.*