# WORLDSTACK vs Ball Merge

WORLDSTACK and Ball Merge are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WORLDSTACK ships an update every 2 weeks, Ball Merge weekly. Both last shipped on October 14, 2026.

## The numbers

| Metric | WORLDSTACK | Ball Merge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 39 MB | 106 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MEHMET FATIH AKARCA](https://appshunter.io/developer/6781705107) | [Gatch](https://appshunter.io/developer/1894833584) |

## What reviewers say

### WORLDSTACK

[App page](https://appshunter.io/ios/app/worldstack-the-last-star/id6797546809)

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

**In-app purchases:** none


### Ball Merge

[App page](https://appshunter.io/ios/app/ball-merge-game/id6808634675)

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

**In-app purchases:** none


## Frequently asked questions

### Is WORLDSTACK free?

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

### Is Ball Merge free?

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

### Do WORLDSTACK or Ball Merge have ads?

Both WORLDSTACK and Ball Merge show ads.

### Which is updated more often, WORLDSTACK or Ball Merge?

WORLDSTACK ships an update every 2 weeks, and Ball Merge weekly. Most recently, WORLDSTACK was updated on October 14, 2026 and Ball Merge on October 14, 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.*