# Brain Blocks vs Trailfold

The clearest difference is in-app purchases: Brain Blocks at none against Trailfold's 3. Trailfold's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Trailfold sells 3 one-off in-app purchases. Brain Blocks asks for nothing beyond the download.

## The numbers

| Metric | Brain Blocks | Trailfold |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | — |
| Size | 103 MB | 23 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杰 于](https://appshunter.io/developer/6776325567) | [Oussama Oumlil](https://appshunter.io/developer/6772571199) |

## What reviewers say

### Brain Blocks

[App page](https://appshunter.io/ios/app/brain-blocks-brain-test/id6751219386)

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

**In-app purchases:** none


### Trailfold

[App page](https://appshunter.io/ios/app/trailfold/id6774952643)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trail Coins | $0.99 | one-time |
| Explorer Coins | $2.99 | one-time |
| Camp Chest | $5.99 | one-time |


## Frequently asked questions

### Is Brain Blocks free?

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

### Is Trailfold free?

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

### Do Brain Blocks or Trailfold have ads?

Brain Blocks shows ads; Trailfold does not.

---

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