# Merge Windows vs Ball Tree

The clearest difference is update cadence: Ball Tree at daily against Merge Windows's every 2 months. 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.

Merge Windows ships an update every 2 months, Ball Tree daily. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Merge Windows | Ball Tree |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/merge-windows/id1548221183/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Ad-supported | — |
| Size | 8 MB | 83 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Brian Giedt](https://appshunter.io/developer/1527948819) | [Virtual Projects Oyun Yazilim Ve Teknoloji](https://appshunter.io/developer/1327820445) |

## What reviewers say

### Merge Windows

[App page](https://appshunter.io/ios/app/merge-windows/id1548221183)

Combine numbered window blocks on multi-story buildings to create higher-level windows. Strategically move new windows while preventing them from reaching the top. Features 29 progressively challenging levels across multiple buildings.

**Highlights:** Merge numbered window blocks, Multi-story building mechanics, Progressively difficult levels, 29 unique levels, Multiple building designs, Dark mode for nighttime play

**Features:** macOS Compatibility

**In-app purchases:** none


### Ball Tree

[App page](https://appshunter.io/ios/app/ball-tree/id6670758334)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Merge Windows free?

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

### Is Ball Tree free?

Ball Tree is free to download, with no in-app purchases.

### Do Merge Windows or Ball Tree have ads?

Both Merge Windows and Ball Tree show ads.

### Which is updated more often, Merge Windows or Ball Tree?

Merge Windows ships an update every 2 months, and Ball Tree daily. Most recently, Merge Windows was updated on October 16, 2026 and Ball Tree on October 17, 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.*