# Fish'n Relax vs Brain Exercise

The clearest difference is in-app purchases: Fish'n Relax at none against Brain Exercise's 4. Fish'n Relax also leads on iOS requirement (12.0 vs 15.0). Brain Exercise's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 27 months). On price and device support there is nothing between them.

Both are free to download. Brain Exercise sells 4 in-app purchases, starting at $0.99 per month. Fish'n Relax asks for nothing beyond the download.

Fish'n Relax ships an update every 27 months, Brain Exercise every 3 weeks. The most recent releases landed on September 13, 2026 and August 1, 2026 respectively.

## The numbers

| Metric | Fish'n Relax | Brain Exercise |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 27 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 89 MB | 110 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [omer cetin](https://appshunter.io/developer/1584332419) | [kunal rameshbhai](https://appshunter.io/developer/1117340195) |

## What reviewers say

### Fish'n Relax

[App page](https://appshunter.io/ios/app/fishn-relax/id1618122011)

**Features:** macOS Compatibility

**In-app purchases:** none


### Brain Exercise

[App page](https://appshunter.io/ios/app/brain-exercise-puzzle/id6483364037)

Enhance focus, memory, and logic with diverse puzzles and exercises for all ages. Develop fine motor skills, master letters and numbers, and sharpen critical thinking through engaging activities. Learn something new daily with a user-friendly and fun mental recharge.

**Highlights:** Diverse game categories, Interactive tracing challenges, Voice-guided learning, Drag, sort, and match puzzles, Spelling and coloring activities, Advanced mind puzzles, Picture and word puzzles

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan 3 days free | $0.99 | per month |
| Yearly Plan 3 days free | $9.99 | per year |
| Remove Ad | $9.99 | one-time |
| Unlock Pro | $29.99 | one-time |


## Frequently asked questions

### Is Fish'n Relax free?

Fish'n Relax is free to download, with no in-app purchases.

### Is Brain Exercise free?

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

### Do Fish'n Relax or Brain Exercise have ads?

Fish'n Relax shows ads; Brain Exercise does not.

### Which is updated more often, Fish'n Relax or Brain Exercise?

Fish'n Relax ships an update every 27 months, and Brain Exercise every 3 weeks. Most recently, Fish'n Relax was updated on September 13, 2026 and Brain Exercise on August 1, 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.*