# brain vs Arrow 3D Master

The clearest difference is in-app purchases: Arrow 3D Master at none against brain's 4. Arrow 3D Master also leads on ratings volume (2.4K vs 2) and update cadence (weekly vs fortnightly). brain's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, rating and device support there is nothing between them.

Both are free to download. brain sells 4 one-off in-app purchases. Arrow 3D Master asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for brain against 4.9 for Arrow 3D Master. That said, the two scores are not equally well evidenced: Arrow 3D Master has 2.4K ratings behind it against 2, so its average is the more settled of the two.

brain ships an update fortnightly, Arrow 3D Master weekly. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | brain | Arrow 3D Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/brain-inator/id6752616586/reviews)** | [4.9 (2.4K ratings)](https://appshunter.io/ios/app/arrow-3d-master-cube-escape/id6786134195/reviews) |
| Number of ratings | 2 | **2.4K** |
| Positive reviews | — | 94.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 158 MB | 377 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [2Shea Productions LLC](https://appshunter.io/developer/1828730060) | [燕 肖](https://appshunter.io/developer/1767256079) |

## What reviewers say

### brain

[App page](https://appshunter.io/ios/app/brain-inator/id6752616586)

Test your knowledge with a fun quiz game designed for those who enjoy a mental challenge. It's perfect for anyone looking to sharpen their intellect or prove their smarts.

**Highlights:** Quiz game format, Knowledge testing, Brain training, Suitable for all ages, Engaging gameplay

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coins 400C | $1.99 | one-time |
| Coins 1000C | $2.99 | one-time |
| Coins 2000C | $4.99 | one-time |
| Coins 10000C | $19.99 | one-time |


### Arrow 3D Master

[App page](https://appshunter.io/ios/app/arrow-3d-master-cube-escape/id6786134195)

A 3D logic puzzle game where players rotate a cube to navigate intricate arrow mazes. Strategically tap arrows in the correct sequence to clear them and escape each stage. Offers a tranquil yet challenging experience for improving mental agility and spatial awareness.

**Highlights:** Brain-teasing 3D mechanics, Satisfying arrow clearing, Easy to play, hard to master, Tranquil and beautiful visuals, Cube rotation and path visualization, Strategic tap sequencing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is brain free?

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

### Is Arrow 3D Master free?

Arrow 3D Master is free to download, with no in-app purchases.

### Which has better reviews, brain or Arrow 3D Master?

brain is rated higher. brain averages 5.0 out of 5 from 2 ratings, while Arrow 3D Master averages 4.9 from 2.4K ratings.

### Do brain or Arrow 3D Master have ads?

Arrow 3D Master shows ads; brain does not.

### Which is updated more often, brain or Arrow 3D Master?

brain ships an update fortnightly, and Arrow 3D Master weekly. Most recently, brain was updated on October 24, 2026 and Arrow 3D Master on October 31, 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.*