# Seqly vs Hydra Trainer

The clearest difference is review sentiment: Seqly at 100% against Hydra Trainer's 0%. Seqly also leads on iOS requirement (15.1 vs 18.5). Hydra Trainer's advantage is monetization model (free vs free with in-app purchases). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Seqly sells 1 one-off in-app purchase 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.

Seqly ships an update every 11 days, Hydra Trainer every 8 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | Seqly | Hydra Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/seqly-number-sequences-and-iq/id6747778680/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 8 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 144 MB | 52 MB |
| Requires iOS | **15.1** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ANIELLO DI POLITO](https://appshunter.io/developer/1822838772) | [Midnite Compile GmbH](https://appshunter.io/developer/1850145762) |

## What reviewers say

### Seqly

[App page](https://appshunter.io/ios/app/seqly-number-sequences-and-iq/id6747778680)

Enhance your cognitive abilities with this app that offers training for IQ, aptitude, and psychometric tests. It provides step-by-step explanations for solving number sequences, letter patterns, and abstract matrices.

**Highlights:** Number sequence solving, Letter pattern practice, Abstract visual reasoning training, Step-by-step explanations, IQ test preparation, Aptitude test preparation

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Seqly Pro | $1.99 | 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 Seqly free?

Seqly 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 Seqly or Hydra Trainer have ads?

Neither Seqly nor Hydra Trainer shows ads.

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

Seqly ships an update every 11 days, and Hydra Trainer every 8 days. Most recently, Seqly was updated on October 30, 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.*