# Zen Bump 3D vs Happy Stacking Fun

The clearest difference is price: Happy Stacking Fun at Free against Zen Bump 3D's $1.99. Happy Stacking Fun also leads on update cadence (fortnightly vs every 3 months). Zen Bump 3D's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

Happy Stacking Fun is free to download; Zen Bump 3D costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Zen Bump 3D ships an update every 3 months, Happy Stacking Fun fortnightly. The most recent releases landed on October 21, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Zen Bump 3D | Happy Stacking Fun |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zen-bump-3d/id6477748794/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 90 MB | 177 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ben Lew](https://appshunter.io/developer/1157613785) | [LanGang Zhang](https://appshunter.io/developer/1740225725) |

## What reviewers say

### Zen Bump 3D

[App page](https://appshunter.io/ios/app/zen-bump-3d/id6477748794)

Experience ultimate relaxation with this endlessly satisfying game. Simply bump shapes without any pressure or goals, offering a stress-free and enjoyable escape. It's a modern zen garden designed for pure, blissful entertainment.

**Highlights:** Endless levels, Stress-free gameplay, Satisfying bumping mechanics, Relaxing atmosphere, Simple controls

**Features:** macOS Compatibility

**In-app purchases:** none


### Happy Stacking Fun

[App page](https://appshunter.io/ios/app/happy-stacking-fun/id6483686011)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zen Bump 3D free?

Zen Bump 3D costs $1.99, with no in-app purchases.

### Is Happy Stacking Fun free?

Happy Stacking Fun is free to download, with no in-app purchases.

### Do Zen Bump 3D or Happy Stacking Fun have ads?

Happy Stacking Fun shows ads; Zen Bump 3D does not.

### Which is updated more often, Zen Bump 3D or Happy Stacking Fun?

Zen Bump 3D ships an update every 3 months, and Happy Stacking Fun fortnightly. Most recently, Zen Bump 3D was updated on October 21, 2026 and Happy Stacking Fun on October 17, 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.*