NEW Stroop Test Module

Ace your aptitude test.

Targeted preparation for applicants in police, special forces, aviation and academia. With tasks from real aptitude test procedures.

5.0 on the App Store
P M K
500+ users trust us
Hydra PT App
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Features

Train Like the Real Test

Hydra Trainer simulates established psychological aptitude tests used in selection processes. Develop logical thinking, concentration, and stress resilience with realistic test environments.

Stroop Test

Train your attention and concentration. Name the color of the text, not the word. A classic test of cognitive flexibility.

Stroop Test

Adaptive Training

Difficulty increases progressively based on your performance and reaction time.

Anagram Test

Records

Track your progress and see how repetition steadily improves your results.

Scoreboard

Up-to-Date Tests

Always aligned with the latest in psychological aptitude assessment, optimally prepared.

Memory Test
Stroop Test
Test Modules

12 Modules.
All areas covered.

From logic and pattern recognition to personality. Each module faithfully replicates established psychological aptitude tests.

Logic & Patterns
  • Adaptive Matrix
  • Number Sequences
  • Paper Folding
Language
  • Anagrams
  • Language Analogies
Numerical
  • Continuous Addition
  • Chained Calculation
  • Equations
Focus
  • Occluded Motion
  • Stroop
Memory
  • Memory
Personality
  • Deep Personality Assessment
Privacy

Privacy by Design

Built with radical simplicity and complete data privacy in mind.

Get Started Instantly

No sign-up, no personal data.
Download and start
in seconds.

No Data Collection

No analytics. No tracking.
No cloud.
No ads.

Local Storage

Stored on-device with Core Data -
everything stays
on your phone.

Reviews & Ratings

Voices from the Field

Four voices. One clear trend: focused training delivers measurable results.

Very Close to the Real Assessment

"I practiced with the app for several weeks before the aptitude test. Many of the reasoning tasks were very similar in structure. For me, a clear advantage over unstructured studying."

Applicant, EKO Cobra

Well suited for simulating mental pressure.

"Time pressure, concentration, and accuracy - exactly what we expect from applicants. The app is well suited to show that regular training makes a difference."

Police Tactical Trainer

Fits seamlessly into the daily routine.

"Short training blocks after a shift or during breaks are ideal. 20 focused minutes with the app are more effective than an hour of aimlessly searching for exercises online."

Police Officer, Preparing for Senior Career Track

Helps identify strengths and weaknesses clearly.

"You quickly see which task types work well and where you still lose time. That builds confidence for the actual selection process."

Police Officer, Preparing for Commanding Officer Track

Pricing

Choose Your Plan.

Hydra Trainer is free on the App Store. Unlock all content with a single in-app purchase.

6 Months

Half-Year Access

$19.99

Starter

Perfect for an application phase.
6 months of full access to all modules.

  • All modules unlocked
  • Covers a complete application phase
  • Great for getting started

1 Year

Annual Access

$29.99

Popular

For those who want to train intensively at their own pace.

  • All modules unlocked
  • Best value for money
  • Enough time for multiple application rounds

Lifetime

Permanent Access

$49.99

Forever

Buy once, use forever.
No expiration date.

  • All modules unlocked
  • One-time payment, no subscription
  • Lifetime updates included
Buy once. Use forever.
FAQ

Frequently Asked Questions

The most important answers about Hydra Psychology Trainer.

Who is Hydra Psychology Trainer designed for?

The app is designed for applicants to police, military, and special forces units, as well as anyone who needs to complete a psychological aptitude assessment, such as senior and commanding officers. The tests offered are also used in admission procedures for various fields of study, such as medicine and psychology.

Is the app free?

The download is free. You can test selected modules for 24 hours. For full access, there is a lifetime license via in-app purchase (one-time payment of EUR 19.99, no subscription).

What test areas are covered?

Training covers logic & patterns, arithmetic, language comprehension, perception & attention, and other formats similar to those found in the Vienna Test System. The Vienna Test System is one of the internationally established and widely used computer-based test systems.

How is my data stored?

All data stays locally on your device. There are no accounts, no tracking, no cloud synchronization, and no advertising.

Do I need an internet connection?

No internet connection is required for training in the app. You can train on a plane or abroad without a data plan. System services such as App Store updates are outside the app's scope.