# Tri vs Board & Book

The clearest difference is monetization model: Tri at free against Board & Book's free with in-app purchases. Board & Book's advantage is update cadence (every 3 days vs every 3 weeks). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Tri sells 2 one-off in-app purchases and Board & Book sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Tri against 5.0 for Board & Book. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Tri ships an update every 3 weeks, Board & Book every 3 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Tri | Board & Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/tri-d-chess/id6749229694/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/board-and-book/id6760626518/reviews) |
| Number of ratings | 4 | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 17 MB | 63 MB |
| Requires iOS | **17.5** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [ROBIN SCHONWALD](https://appshunter.io/developer/1802474683) | [ROBERT CHARLES KREHBIEL](https://appshunter.io/developer/1885391895) |

## What reviewers say

### 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 |


### Board & Book

[App page](https://appshunter.io/ios/app/board-and-book/id6760626518)

This app combines chess with literary exploration, allowing users to delve into the history of the game through curated stories. It offers tactical training and various play modes, including online matches with friends.

**Highlights:** Chess history narratives, Tactical training, Play against computer, Online play with friends, Full library unlock

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Board & Book Premium | $4.99 | one-time |


## Frequently asked questions

### Is Tri free?

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

### Is Board & Book free?

Board & Book is free to download, with in-app purchases available.

### Which has better reviews, Tri or Board & Book?

Tri and Board & Book are both rated 5.0 out of 5 on the App Store, from 4 and 4 ratings respectively.

### Do Tri or Board & Book have ads?

Neither Tri nor Board & Book shows ads.

### Which is updated more often, Tri or Board & Book?

Tri ships an update every 3 weeks, and Board & Book every 3 days. Most recently, Tri was updated on November 5, 2026 and Board & Book on October 31, 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.*