# Merge Balloon vs Stack Borough

The clearest difference is in-app purchases: Stack Borough at none against Merge Balloon's 1. Stack Borough also leads on ads (none vs shown). Merge Balloon's advantage is update cadence (every 2 days vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Merge Balloon sells 1 one-off in-app purchase. Stack Borough asks for nothing beyond the download.

Merge Balloon ships an update every 2 days, Stack Borough every 2 weeks. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Merge Balloon | Stack Borough |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Size | 127 MB | 33 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 9+ |
| Developer | [Opiray](https://appshunter.io/developer/1895176920) | [Omirkhan Baikonurov](https://appshunter.io/developer/6792784615) |

## What reviewers say

### Merge Balloon

[App page](https://appshunter.io/ios/app/merge-balloon-sky-puzzle/id6782147764)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |


### Stack Borough

[App page](https://appshunter.io/ios/app/stack-borough/id6792784613)

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

**In-app purchases:** none


## Frequently asked questions

### Is Merge Balloon free?

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

### Is Stack Borough free?

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

### Do Merge Balloon or Stack Borough have ads?

Merge Balloon shows ads; Stack Borough does not.

### Which is updated more often, Merge Balloon or Stack Borough?

Merge Balloon ships an update every 2 days, and Stack Borough every 2 weeks. Most recently, Merge Balloon was updated on October 4, 2026 and Stack Borough on October 5, 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.*