# Gem Shoot vs Block Stack 3D Brain Game

The clearest difference is price: Block Stack 3D Brain Game at Free against Gem Shoot's $5.99. Block Stack 3D Brain Game also leads on update cadence (every 2 weeks vs every 21 months) and iOS requirement (12.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Block Stack 3D Brain Game is free to download; Gem Shoot costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Gem Shoot ships an update every 21 months, Block Stack 3D Brain Game every 2 weeks. Both last shipped on September 12, 2026.

## The numbers

| Metric | Gem Shoot | Block Stack 3D Brain Game |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/block-stack-3d-brain-game/id1629553393/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 21 months | **Every 2 weeks** |
| Monetization | — | Ad-supported |
| Size | 77 MB | 69 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Oscar Tsang](https://appshunter.io/developer/416987065) | [永荣 许](https://appshunter.io/developer/1314358203) |

## What reviewers say

### Gem Shoot

[App page](https://appshunter.io/ios/app/gem-shoot/id1446507283)

**Features:** Vision Pro support

**In-app purchases:** none


### Block Stack 3D Brain Game

[App page](https://appshunter.io/ios/app/block-stack-3d-brain-game/id1629553393)

A 3D puzzle game that challenges your spatial imagination by stacking cubes. Compete for high scores in infinite or level-based modes with adjustable viewing angles.

**Highlights:** 3D stereoscopic cube stacking, Tests space imagination, Infinite mode, Level mode, Adjustable viewing angles, High score achievement

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

**In-app purchases:** none


## Frequently asked questions

### Is Gem Shoot free?

Gem Shoot costs $5.99, with no in-app purchases.

### Is Block Stack 3D Brain Game free?

Block Stack 3D Brain Game is free to download, with no in-app purchases.

### Do Gem Shoot or Block Stack 3D Brain Game have ads?

Both Gem Shoot and Block Stack 3D Brain Game show ads.

### Which is updated more often, Gem Shoot or Block Stack 3D Brain Game?

Gem Shoot ships an update every 21 months, and Block Stack 3D Brain Game every 2 weeks. Most recently, Gem Shoot was updated on September 12, 2026 and Block Stack 3D Brain Game on September 12, 2026.

---

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