# Sum Stacked Between vs Brain Challenge

The clearest difference is iOS requirement: Sum Stacked Between at 12.0 against Brain Challenge's 15.0. 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.

## The numbers

| Metric | Sum Stacked Between | Brain Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 82 MB | 394 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ta Thi Anh Tuyet](https://appshunter.io/developer/1879738332) | [Recai BAYRAM](https://appshunter.io/developer/6808619474) |

## What reviewers say

### Sum Stacked Between

[App page](https://appshunter.io/ios/app/sum-stacked-between/id6762507377)

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

**In-app purchases:** none


### Brain Challenge

[App page](https://appshunter.io/ios/app/brain-challenge-solitaire-2/id6808619472)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sum Stacked Between free?

Sum Stacked Between is free to download, with no in-app purchases.

### Is Brain Challenge free?

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

### Do Sum Stacked Between or Brain Challenge have ads?

Neither Sum Stacked Between nor Brain Challenge shows ads.

---

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