Tri vs Board & Book
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Tri
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.
- 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
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Think regular chess is a bit... straightforward? Then try Tri-D Chess — the most popular strategy challenge this side of the Delta Quadrant! Played across three levels and using four Attack Decks, it lets you apply true three-dimensional tactics to checkmate your opponent. Tri-D Chess features the same 64 squares, the same pieces, and the same basic rules as traditional chess… with a few small twists. But don’t worry — the tutorial will quickly teach you everything you need to know to master the game. • Fully movable 3D chessboard • Four material options: wood, glass, metal, and marble • Optional move history and captured-pieces display • Built-in guide with rules and strategy tips • Three game modes: local play (two players on one device), play vs. computer, or online play via Game Center • Unlock up to 6 achievements • Customize the game to your liking Tri-D Chess is free forever. If you enjoy it, you can optionally support the developer. Qapla’!
Board & Book
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.
- Chess history narratives
- Tactical training
- Play against computer
- Online play with friends
- Full library unlock
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Board & Book is a chess club for readers. Open a chapter of chess history and the board moves with the words. Morphy, the birth of modern play, and the stories that shaped the game, told with the patience of a good book. That is the heart of the club. Train when you want a sharper eye. Tactics that respect your time, not a feed that never ends. Play across the table, against the computer, or online with friends. Online play and friends are free. Unlock Everything is a single $4.99 purchase for the full library and premium craft. Online play and community remain free forever. A place to read the history of chess, train with care, and play with friends. Support: support@boardandbook.app
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Tri | Board & Book |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) | 5.0 (4 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 4 | 4 |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.5 — better | 18.6 |
| Further details — not scored | ||
| Size | 17 MB | 63 MB |
| Age rating | 4+ | 12+ |
| Developer | ROBIN SCHONWALD | ROBERT CHARLES KREHBIEL |
Customer experience
Tri
Board & Book
In-app purchases
Tri
- Espresso$1.99
- Raktajino$3.99
Board & Book
- Board & Book Premium$4.99









