# Tap Stack vs Slime Merge

The clearest difference is in-app purchases: Slime Merge at none against Tap Stack's 1. Tap Stack's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

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

Tap Stack ships an update every 4 days, Slime Merge every 3 days. The most recent releases landed on September 7, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Tap Stack | Slime Merge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tap-stack-endless-stacking/id6754524736/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 80 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Ola Borthen](https://appshunter.io/developer/842843710) | [Fabian Mehlhorn](https://appshunter.io/developer/1891156657) |

## What reviewers say

### Tap Stack

[App page](https://appshunter.io/ios/app/tap-stack-endless-stacking/id6754524736)

Tap to stack colorful blocks and build your tower as high as possible. Dodge explosive bombs and enjoy satisfying visual and sound effects. Perfect for quick gaming sessions or stress relief.

**Highlights:** Infinite block stacking gameplay, Bomb dodge mechanic, Progressive difficulty and speed increases, Milestone celebrations, Local high score system, One-handed portrait gameplay, Offline play

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads + free retry | $1.99 | one-time |


### Slime Merge

[App page](https://appshunter.io/ios/app/slime-merge-jelly-drop-game/id6772333722)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tap Stack free?

Tap Stack is free to download, with in-app purchases available.

### Is Slime Merge free?

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

### Do Tap Stack or Slime Merge have ads?

Both Tap Stack and Slime Merge show ads.

### Which is updated more often, Tap Stack or Slime Merge?

Tap Stack ships an update every 4 days, and Slime Merge every 3 days. Most recently, Tap Stack was updated on September 7, 2026 and Slime Merge on September 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*