# Merge Building vs Stack Tower

The clearest difference is in-app purchases: Stack Tower at none against Merge Building's 8. Stack Tower also leads on ads (none vs shown). Merge Building's advantage is update cadence (every 4 days vs every 2 months) and iOS requirement (11.0 vs 15.1). On price and device support there is nothing between them.

Both are free to download. Merge Building sells 8 one-off in-app purchases. Stack Tower asks for nothing beyond the download.

Merge Building ships an update every 4 days, Stack Tower every 2 months. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Merge Building | Stack Tower |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 95 MB | 21 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [MOSTAFA SALAH A ALABYAD](https://appshunter.io/developer/1253862050) | [Yusuf Uyar](https://appshunter.io/developer/1881273203) |

## What reviewers say

### Merge Building

[App page](https://appshunter.io/ios/app/merge-building/id6475588005)

A casual game where players merge identical items to create higher-level upgrades. Tap to spawn items and utilize power-ups to accelerate progress and unlock advanced structures.

**Highlights:** Merge similar items, Upgrade to higher levels, Spawn items from boxes, Utilize power-ups, Unlock advanced structures

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Emeralds 10K | $0.99 | one-time |
| Buy 100 Rubies | $0.99 | one-time |
| Buy Bundle 1 | $1.49 | one-time |
| Buy 220 Rubies | $1.99 | one-time |
| Buy Emerald 25k | $1.99 | one-time |
| Buy Bundle 2 | $2.99 | one-time |
| Buy 60k Emeralds | $3.49 | one-time |
| Buy 500 Rubies | $3.99 | one-time |


### Stack Tower

[App page](https://appshunter.io/ios/app/stack-tower-world-edition/id6760509445)

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

**In-app purchases:** none


## Frequently asked questions

### Is Merge Building free?

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

### Is Stack Tower free?

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

### Do Merge Building or Stack Tower have ads?

Merge Building shows ads; Stack Tower does not.

### Which is updated more often, Merge Building or Stack Tower?

Merge Building ships an update every 4 days, and Stack Tower every 2 months. Most recently, Merge Building was updated on October 9, 2026 and Stack Tower on October 15, 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.*