# Polizei Karriere vs Hydra Trainer

The clearest difference is update cadence: Hydra Trainer at every 8 days against Polizei Karriere's every 3 months. Hydra Trainer also leads on monetization model (free vs free with in-app purchases). Polizei Karriere's advantage is review sentiment (15% vs 0%) and iOS requirement (15.0 vs 18.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Polizei Karriere sells 6 in-app purchases, starting at $8.99 per 7 days and Hydra Trainer sells 4 in-app purchases, starting at $17.99 per month. Whichever you choose, the download price is not the number that matters.

Polizei Karriere ships an update every 3 months, Hydra Trainer every 8 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Polizei Karriere | Hydra Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **15.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 172 MB | 52 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Plakos GmbH](https://appshunter.io/developer/1083933127) | [Midnite Compile GmbH](https://appshunter.io/developer/1850145762) |

## What reviewers say

### Polizei Karriere

[App page](https://appshunter.io/ios/app/polizei-karriere/id1499801682)

Prepare for police entrance exams in Germany, Austria, and Switzerland with this comprehensive app. It offers learning videos, exercises, and expert knowledge to improve cognitive skills and test performance. Track your progress and gain an advantage over other applicants.

**Highlights:** Cognitive skill improvement (language, logic, general knowledge, concentration), Assessment center and sports test preparation, Diktate and audio exercises, Police-specific knowledge modules, Structured learning progress tracking, Applicant experience insights

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Woche | $8.99 | per 7 days |
| 1 Monat | $24.99 | per month |
| 3 Monate | $49.99 | per 3 months |
| 1 Jahr | $129.00 | per year |
| 500 Plakos Münzen | $34.99 | one-time |
| 1000 Plakos Münzen | $59.99 | one-time |


### 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 (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hydra Pro - 1 Month | $17.99 | per month |
| Hydra Pro – 6 Months | $19.99 | per 6 months |
| Hydra Pro - 1 Year | $44.99 | per year |
| Hydra Pro - Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is Polizei Karriere free?

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

### Is Hydra Trainer free?

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

### Do Polizei Karriere or Hydra Trainer have ads?

Neither Polizei Karriere nor Hydra Trainer shows ads.

### Which is updated more often, Polizei Karriere or Hydra Trainer?

Polizei Karriere ships an update every 3 months, and Hydra Trainer every 8 days. Most recently, Polizei Karriere was updated on November 3, 2026 and Hydra Trainer on October 30, 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.*