# Block Chess vs Tri

The clearest difference is price: Tri at Free against Block Chess's $0.99. Tri also leads on update cadence (every 3 weeks vs every 11 months). Block Chess's advantage is in-app purchases (none vs 2) and iOS requirement (10.0 vs 17.5). On ads and device support there is nothing between them.

Tri is free to download; Block Chess costs $0.99 up front. Tri sells 2 one-off in-app purchases. Block Chess asks for nothing beyond the download.

Block Chess ships an update every 11 months, Tri every 3 weeks. The most recent releases landed on September 15, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Block Chess | Tri |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/tri-d-chess/id6749229694/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 24 MB | 17 MB |
| Requires iOS | **10.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shen Zhongyuan](https://appshunter.io/developer/385090494) | [ROBIN SCHONWALD](https://appshunter.io/developer/1802474683) |

## What reviewers say

### Block Chess

[App page](https://appshunter.io/ios/app/block-chess/id1155867312)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tri

[App page](https://appshunter.io/ios/app/tri-d-chess/id6749229694)

Experience chess in a new dimension with this strategy game played across three levels and four attack decks. Master three-dimensional tactics to outmaneuver your opponent. A tutorial guides you through the unique gameplay.

**Highlights:** Three-dimensional gameplay, Multiple levels and attack decks, Fully movable 3D chessboard, Four material options, Local, computer, and online play, Built-in guide and strategy tips, Unlockable achievements

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Espresso | $1.99 | one-time |
| Raktajino | $3.99 | one-time |


## Frequently asked questions

### Is Block Chess free?

Block Chess costs $0.99, with no in-app purchases.

### Is Tri free?

Tri is free to download, with in-app purchases available.

### Do Block Chess or Tri have ads?

Neither Block Chess nor Tri shows ads.

### Which is updated more often, Block Chess or Tri?

Block Chess ships an update every 11 months, and Tri every 3 weeks. Most recently, Block Chess was updated on September 15, 2026 and Tri on September 21, 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.*