# Seadoku vs Brain training

The clearest difference is rating: Seadoku at 5.0 against Brain training's 4.5. Seadoku also leads on in-app purchases (none vs 5) and update cadence (fortnightly vs every 2 months). Brain training's advantage is iOS requirement (12.0 vs 18.0). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Brain training sells 5 one-off in-app purchases. Seadoku asks for nothing beyond the download.

Seadoku holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Seadoku ships an update fortnightly, Brain training every 2 months. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Seadoku | Brain training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/seadoku/id1590857274/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/brain-training-memory-and-logic/id6474096104/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 62 MB | 125 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHRISTINA STOUT](https://appshunter.io/developer/1531227744) | [Cristina Munoz Castillo](https://appshunter.io/developer/1600497964) |

## What reviewers say

### Seadoku

[App page](https://appshunter.io/ios/app/seadoku/id1590857274)

This game offers a unique twist on Sudoku, replacing numbers with charming sea creatures. Enjoy a relaxing underwater world with strategic puzzles and multiple difficulty levels. It's perfect for honing your puzzle-solving skills.

**Highlights:** Sea creature themed puzzles, Multiple difficulty levels, Relaxing ocean soundscapes, Strategic gameplay, Hone puzzle-solving skills

**Features:** macOS Compatibility

**In-app purchases:** none


### Brain training

[App page](https://appshunter.io/ios/app/brain-training-memory-and-logic/id6474096104)

Enhance cognitive skills with a program designed by psychologists and teachers. Engage in 18 mind games across 500+ levels to boost memory, reaction time, concentration, logic, spatial intelligence, and math abilities. Choose between relaxed or challenging modes for daily mental workouts.

**Highlights:** Memory games, Logic puzzles, Math challenges, Spatial intelligence training, Reaction time improvement, Concentration exercises, 500+ levels

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 Coins | $0.99 | one-time |
| 125 Coins | $1.99 | one-time |
| 300 Coins | $3.49 | one-time |
| 1000 Coins | $6.99 | one-time |
| Full Game | $7.99 | one-time |


## Frequently asked questions

### Is Seadoku free?

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

### Is Brain training free?

Brain training is free to download, with in-app purchases available.

### Which has better reviews, Seadoku or Brain training?

Seadoku is rated higher. Seadoku averages 5.0 out of 5 from 5 ratings, while Brain training averages 4.5 from 2 ratings.

### Do Seadoku or Brain training have ads?

Both Seadoku and Brain training show ads.

### Which is updated more often, Seadoku or Brain training?

Seadoku ships an update fortnightly, and Brain training every 2 months. Most recently, Seadoku was updated on October 13, 2026 and Brain training 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.*