# Brain Explorer vs Fuel Field

The clearest difference is update cadence: Fuel Field at every 11 days against Brain Explorer's monthly. 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.

Brain Explorer ships an update monthly, Fuel Field every 11 days. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Brain Explorer | Fuel Field |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/brain-explorer/id1490281801/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 11 days** |
| Monetization | Free | — |
| Size | 51 MB | 83 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [thkp, LLC](https://appshunter.io/developer/1556761728) | [Finley Nye](https://appshunter.io/developer/6785885581) |

## What reviewers say

### Brain Explorer

[App page](https://appshunter.io/ios/app/brain-explorer/id1490281801)

Engage in fun, scientifically-backed games to test your cognitive abilities. Compare your brainpower with others and contribute to neuroscience research. Explore a galaxy-themed adventure while unlocking new challenges and earning achievements.

**Highlights:** Play brain-testing games, Compare brain scores with others, Win medals and unlock games, Help scientists understand the brain, Space-themed exploration, Anonymous data collection

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

**In-app purchases:** none


### Fuel Field

[App page](https://appshunter.io/ios/app/fuel-field/id6785885578)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brain Explorer free?

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

### Is Fuel Field free?

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

### Do Brain Explorer or Fuel Field have ads?

Neither Brain Explorer nor Fuel Field shows ads.

### Which is updated more often, Brain Explorer or Fuel Field?

Brain Explorer ships an update monthly, and Fuel Field every 11 days. Most recently, Brain Explorer was updated on September 30, 2026 and Fuel Field on October 9, 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.*