# EPPP Practice Exams Prep vs Hydra Trainer

The clearest difference is in-app purchases: Hydra Trainer at none against EPPP Practice Exams Prep's 1. Hydra Trainer also leads on update cadence (weekly vs every 5 weeks). EPPP Practice Exams Prep's advantage is iOS requirement (13.0 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. EPPP Practice Exams Prep sells 1 one-off in-app purchase. Hydra Trainer asks for nothing beyond the download.

EPPP Practice Exams Prep ships an update every 5 weeks, Hydra Trainer weekly. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | EPPP Practice Exams Prep | Hydra Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 47 MB | 39 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [3328833 Nova Scotia Limited](https://appshunter.io/developer/1757830011) | [Midnite Compile GmbH](https://appshunter.io/developer/1850145762) |

## What reviewers say

### EPPP Practice Exams Prep

[App page](https://appshunter.io/ios/app/eppp-practice-exams-prep/id6748107523)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $9.99 | 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:** none


## Frequently asked questions

### Is EPPP Practice Exams Prep free?

EPPP Practice Exams Prep is free to download, with in-app purchases available.

### Is Hydra Trainer free?

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

### Do EPPP Practice Exams Prep or Hydra Trainer have ads?

Neither EPPP Practice Exams Prep nor Hydra Trainer shows ads.

### Which is updated more often, EPPP Practice Exams Prep or Hydra Trainer?

EPPP Practice Exams Prep ships an update every 5 weeks, and Hydra Trainer weekly. Most recently, EPPP Practice Exams Prep was updated on September 30, 2026 and Hydra Trainer on October 7, 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.*