# Rings Linking vs Block Stack 3D Brain Game

The clearest difference is price: Block Stack 3D Brain Game at Free against Rings Linking's $4.00. Block Stack 3D Brain Game also leads on rating (5.0 vs 2.3) and in-app purchases (none vs 1). On ratings volume, ads and device support there is nothing between them.

Block Stack 3D Brain Game is free to download; Rings Linking costs $4.00 up front. Rings Linking sells 1 one-off in-app purchase. Block Stack 3D Brain Game asks for nothing beyond the download.

Block Stack 3D Brain Game holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Rings Linking ships an update every 9 months, Block Stack 3D Brain Game every 2 weeks. The most recent releases landed on September 28, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Rings Linking | Block Stack 3D Brain Game |
| --- | --- | --- |
| Price | $4.00 | **Free** |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/rings-linking/id552244640/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/block-stack-3d-brain-game/id1629553393/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 52.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 19 MB | 69 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | **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

### Rings Linking

[App page](https://appshunter.io/ios/app/rings-linking/id552244640)

Connect three or more same-colored elements to clear them and advance through levels. Choose between Normal Mode, where you fill bars to progress, or 90s Mode for a timed high-score challenge.

**Highlights:** Link same-colored elements, Advance through levels, Normal Mode progression, 90s Mode high-score challenge, Addictive gameplay

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove advertisement | $1.99 | one-time |


### 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 Rings Linking free?

Rings Linking costs $4.00, and also offers in-app purchases.

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

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

### Which has better reviews, Rings Linking or Block Stack 3D Brain Game?

Block Stack 3D Brain Game is rated higher. Rings Linking averages 2.3 out of 5 from 3 ratings, while Block Stack 3D Brain Game averages 5.0 from 2 ratings.

### Do Rings Linking or Block Stack 3D Brain Game have ads?

Both Rings Linking and Block Stack 3D Brain Game show ads.

### Which is updated more often, Rings Linking or Block Stack 3D Brain Game?

Rings Linking ships an update every 9 months, and Block Stack 3D Brain Game every 2 weeks. Most recently, Rings Linking was updated on September 28, 2026 and Block Stack 3D Brain Game on September 30, 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.*