# Hydra Trainer vs Mind Improve

The clearest difference is iOS requirement: Mind Improve at 15.4.1 against Hydra Trainer's 18.5. 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.

## The numbers

| Metric | Hydra Trainer | Mind Improve |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Free | — |
| Size | 39 MB | 55 MB |
| Requires iOS | 18.5 | **15.4.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Midnite Compile GmbH](https://appshunter.io/developer/1850145762) | [磊 刘](https://appshunter.io/developer/1845360726) |

## 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


### Mind Improve

[App page](https://appshunter.io/ios/app/mind-improve/id6755172613)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hydra Trainer free?

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

### Is Mind Improve free?

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

### Do Hydra Trainer or Mind Improve have ads?

Neither Hydra Trainer nor Mind Improve shows ads.

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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.*