Comparison

Tri vs Board & Book

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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’!

About

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.

Highlights
  • Chess history narratives
  • Tactical training
  • Play against computer
  • Online play with friends
  • Full library unlock
Features
Read full description

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

Tri4 screens
Board & Book4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Tri versus Board & Book: the parameters behind the verdict, then further details
ParameterTriBoard & Book
PriceFreeFree
Rating5.0 (4 ratings)5.0 (4 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings44
Update frequencyEvery 3 weeksEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS17.5 — better18.6
Further details — not scored
Size17 MB63 MB
Age rating4+12+
DeveloperROBIN SCHONWALDROBERT CHARLES KREHBIEL

Customer experience

Tri

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Board & Book

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Tri

One-time2
  • Espresso$1.99
  • Raktajino$3.99
1 purchases

Board & Book

One-time1
  • Board & Book Premium$4.99

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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