# GridLinx vs Brain Tests

The clearest difference is in-app purchases: Brain Tests at none against GridLinx's 6. Brain Tests also leads on update cadence (every 8 months vs every 16 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. GridLinx sells 6 one-off in-app purchases. Brain Tests asks for nothing beyond the download.

GridLinx ships an update every 16 months, Brain Tests every 8 months. The most recent releases landed on September 14, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | GridLinx | Brain Tests |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 16 months | **Every 8 months** |
| Size | 159 MB | 134 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Player1games Inc.](https://appshunter.io/developer/1040547964) | [Oleksii Petrochenko](https://appshunter.io/developer/1669228110) |

## What reviewers say

### GridLinx

[App page](https://appshunter.io/ios/app/gridlinx/id1458926332)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gridlinx Skins | $0.99 | one-time |
| Buy 10 time tokens | $0.99 | one-time |
| Buy 30 tokens special price | $0.99 | one-time |
| Gridlinx - No more ads special | $0.99 | one-time |
| No More Ads | $1.99 | one-time |
| Buy 30 time tokens | $1.99 | one-time |


### Brain Tests

[App page](https://appshunter.io/ios/app/brain-tests/id1670490664)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GridLinx free?

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

### Is Brain Tests free?

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

### Do GridLinx or Brain Tests have ads?

Both GridLinx and Brain Tests show ads.

### Which is updated more often, GridLinx or Brain Tests?

GridLinx ships an update every 16 months, and Brain Tests every 8 months. Most recently, GridLinx was updated on September 14, 2026 and Brain Tests on September 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*