# The Stacker Mania  Happy Stack vs Zen Gems!

The clearest difference is rating: The Stacker Mania  Happy Stack at 5.0 against Zen Gems!'s 1.0. Zen Gems!'s advantage is update cadence (fortnightly vs every 53 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. The Stacker Mania  Happy Stack sells 3 one-off in-app purchases and Zen Gems! sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

The Stacker Mania  Happy Stack holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

The Stacker Mania  Happy Stack ships an update every 53 months, Zen Gems! fortnightly. The most recent releases landed on September 30, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | The Stacker Mania  Happy Stack | Zen Gems! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/the-stacker-mania-happy-stack/id986290658/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/zen-gems/id1567242577/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 53 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 76 MB | 139 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Macrobian Games](https://appshunter.io/developer/950173977) | [Joao Milone](https://appshunter.io/developer/1452749255) |

## What reviewers say

### The Stacker Mania  Happy Stack

[App page](https://appshunter.io/ios/app/the-stacker-mania-happy-stack/id986290658)

A physics-based stacking game where players drag and arrange various shapes on a platform to achieve the best score. The goal is to create a stable stack without dropping any pieces.

**Highlights:** Physics-based gameplay, Drag and arrange shapes, Balance objects on a platform, Achieve best scores, Variety of shapes

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Coins | $0.99 | one-time |
| 2000 Coins | $1.99 | one-time |
| 8000 Coins | $3.99 | one-time |


### Zen Gems!

[App page](https://appshunter.io/ios/app/zen-gems/id1567242577)

A relaxing match-3 puzzle game designed for unwinding. Offers multiple game modes to suit your mood. Enjoy a calming experience with satisfying visuals and sounds.

**Highlights:** Match 3 gameplay, ASMR elements, Classic game mode, Endless game mode, Relaxing experience

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +5 Refreshes | $1.99 | one-time |
| +15 Refreshes | $2.99 | one-time |
| Unlock Endless Mode | $4.99 | one-time |
| No Ads | $8.99 | one-time |


## Frequently asked questions

### Is The Stacker Mania  Happy Stack free?

The Stacker Mania  Happy Stack is free to download, with in-app purchases available.

### Is Zen Gems! free?

Zen Gems! is free to download, with in-app purchases available.

### Which has better reviews, The Stacker Mania  Happy Stack or Zen Gems!?

The Stacker Mania  Happy Stack is rated higher. The Stacker Mania  Happy Stack averages 5.0 out of 5 from 2 ratings, while Zen Gems! averages 1.0 from 1 ratings.

### Do The Stacker Mania  Happy Stack or Zen Gems! have ads?

Both The Stacker Mania  Happy Stack and Zen Gems! show ads.

### Which is updated more often, The Stacker Mania  Happy Stack or Zen Gems!?

The Stacker Mania  Happy Stack ships an update every 53 months, and Zen Gems! fortnightly. Most recently, The Stacker Mania  Happy Stack was updated on September 30, 2026 and Zen Gems! on September 28, 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.*