# Merge Builder vs World Button

The clearest difference is in-app purchases: World Button at none against Merge Builder's 7. World Button also leads on update cadence (every 4 days vs every 11 months). Merge Builder's advantage is iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Merge Builder sells 7 one-off in-app purchases. World Button asks for nothing beyond the download.

Merge Builder ships an update every 11 months, World Button every 4 days. Both last shipped on September 19, 2026.

## The numbers

| Metric | Merge Builder | World Button |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 11 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 96 MB | 220 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NEOPOP Inc.](https://appshunter.io/developer/1313663375) | [Celestial Pug LLC](https://appshunter.io/developer/1615114330) |

## What reviewers say

### Merge Builder

[App page](https://appshunter.io/ios/app/merge-builder/id1573706244)

Engage in a matching puzzle game where merging tiles creates buildings. Earn building points by solving puzzles and upgrade your structures to generate more coins. Discover new buildings as you complete stages and missions.

**Highlights:** Match tiles to create buildings, Solve puzzles for building points, Merge buildings to upgrade, Collect missions and complete stages, Earn coins from upgraded buildings, Discover new buildings

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus x3 | $0.99 | one-time |
| Switch x3 | $0.99 | one-time |
| Block Destruction x3 | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Beginner Bundle | $3.99 | one-time |
| Pro Bundle | $10.99 | one-time |
| Master Bundle | $33.99 | one-time |


### World Button

[App page](https://appshunter.io/ios/app/world-button/id6742792580)

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

**In-app purchases:** none


## Frequently asked questions

### Is Merge Builder free?

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

### Is World Button free?

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

### Do Merge Builder or World Button have ads?

Both Merge Builder and World Button show ads.

### Which is updated more often, Merge Builder or World Button?

Merge Builder ships an update every 11 months, and World Button every 4 days. Most recently, Merge Builder was updated on September 19, 2026 and World Button on September 19, 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.*