# Bound Balls! vs Stacker Mahjong 3D

The clearest difference is rating: Bound Balls! at 5.0 against Stacker Mahjong 3D's 3.6. Bound Balls! also leads on ads (none vs shown) and monetization model (free vs free with in-app purchases). Stacker Mahjong 3D's advantage is ratings volume (27 vs 2). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Bound Balls! holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Stacker Mahjong 3D has 27 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 67% of Bound Balls!'s written reviews are positive against 55% of Stacker Mahjong 3D's.

Bound Balls! ships an update every 5 weeks, Stacker Mahjong 3D every 2 months. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Bound Balls! | Stacker Mahjong 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bound-balls/id969394260/reviews)** | [3.6 (27 ratings)](https://appshunter.io/ios/app/stacker-mahjong-3d/id1148854157/reviews) |
| Number of ratings | 2 | **27** |
| Positive reviews | **66.7% of reviews** | 55.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 36 MB | 169 MB |
| Requires iOS | **5.1.1** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AISE Inc](https://appshunter.io/developer/403682390) | [mei lien lin](https://appshunter.io/developer/1059593926) |

## What reviewers say

### Bound Balls!

[App page](https://appshunter.io/ios/app/bound-balls/id969394260)

Engage in a fast-paced bubble shooter where you must eliminate all balls before gravity pulls them to the bottom. Test your reflexes and strategic thinking in this colorful and challenging game.

**Highlights:** Bubble shooter gameplay, Fight against gravity, Fast-paced action, Colorful graphics, Challenging levels

**Features:** macOS Compatibility

**In-app purchases:** none


### Stacker Mahjong 3D

[App page](https://appshunter.io/ios/app/stacker-mahjong-3d/id1148854157)

A 3D tile-matching puzzle game where players clear identical mahjong tiles by pairing them. Explore meticulously designed levels with various patterns and hundreds of challenges. Rotate, zoom, and pinch to find matches and solve puzzles.

**Highlights:** 3D mahjong tile matching, Hundreds of classic and modern levels, Multiple tile patterns (fruit, aquarium), Rotate, zoom, and pinch controls, Reshuffle feature, Suitable for all skill levels

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bound Balls! free?

Bound Balls! is free to download, with no in-app purchases.

### Is Stacker Mahjong 3D free?

Stacker Mahjong 3D is free to download, with no in-app purchases.

### Which has better reviews, Bound Balls! or Stacker Mahjong 3D?

Bound Balls! is rated higher. Bound Balls! averages 5.0 out of 5 from 2 ratings, while Stacker Mahjong 3D averages 3.6 from 27 ratings.

### Do Bound Balls! or Stacker Mahjong 3D have ads?

Stacker Mahjong 3D shows ads; Bound Balls! does not.

### Which is updated more often, Bound Balls! or Stacker Mahjong 3D?

Bound Balls! ships an update every 5 weeks, and Stacker Mahjong 3D every 2 months. Most recently, Bound Balls! was updated on October 8, 2026 and Stacker Mahjong 3D on October 1, 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.*