# Balls and Tubes vs Stack Merge

The clearest difference is iOS requirement: Balls and Tubes at 11.0 against Stack Merge's 13.0. 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 | Balls and Tubes | Stack Merge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | — | Every 2 weeks |
| Size | 139 MB | 103 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Hemz Studios LLC](https://appshunter.io/developer/1482399421) | [Rasel Hossain](https://appshunter.io/developer/1474211749) |

## What reviewers say

### Balls and Tubes

[App page](https://appshunter.io/ios/app/balls-and-tubes/id6450500768)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stack Merge

[App page](https://appshunter.io/ios/app/stack-merge/id6478578678)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Balls and Tubes free?

Balls and Tubes is free to download, with no in-app purchases.

### Is Stack Merge free?

Stack Merge is free to download, with no in-app purchases.

### Do Balls and Tubes or Stack Merge have ads?

Both Balls and Tubes and Stack Merge show ads.

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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.*