Comparison

BookMoves vs Chess Opening Tactics Trainer

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

Head to head
About

BookMoves

Master chess openings with a unique blend of theory, computer science, and spaced repetition. Memorize hundreds of variants for both sides and transition from rote learning to intuitive application. Overcome the forgetting curve with an innovative technique for lasting mastery.

Highlights
  • Chess opening theory
  • Spaced repetition learning
  • Hundreds of chess variants
  • Statistical probabilities
  • Integrated scoring system
  • Algorithmic improvement
Features
Read full description

Embark on a transformative chess journey with our groundbreaking app, seamlessly blending Opening Theory, Computer Science, and Space Repetition. Easily memorize hundreds of chess variants for both white and black, transitioning from rote memorization to intuitive application of knowledge. Overcome the Forgetting Curve using our innovative Space Repetition technique, converting short-term storage into lasting mastery. Access a comprehensive database of 1 million+ opening variants, each accompanied by statistical probabilities. Our integrated scoring system considers game statistics and parameters for effective play, constantly evolving to provide you with the strongest advantage at your current skill level. Experience the power of continuous algorithmic improvement, ensuring you stay ahead in every game. Optimized for mobile, our app lets you practice openings anytime, anywhere, enhancing your skills on the move. Unleash your chess potential by consistently training with new openings, conveniently accessible through your mobile browser. Elevate your game, break free from stagnation, and become the chess pro you aspire to be. Start your journey to mastery today!

About

Chess Opening Tactics Trainer

Features
Read full description

A chess opening trainer that helps you learn your openings and remember them. Build a repertoire, train it with spaced-repetition reviews, and sharpen it with 80,000+ puzzles taken from real games - with a strong chess engine built in. Whether you open 1.e4, 1.d4 or something less common, there is a line to learn and a puzzle from your opening waiting for you. YOUR REPERTOIRE, REMEMBERED Add the lines you play as White and Black, learn them move by move, then recall them from memory. Reviews come back just before you would forget, so your lines stay sharp without hours of study. Each move comes with the idea behind it. A PLAN FOR EVERY DAY Three short steps a day — review your lines, meet a new opening, solve puzzles — in about 10–15 minutes. Keep your streak and level up as you go. 80,000+ OPENING PUZZLES Positions from real games and classic opening traps, sorted by opening: Sicilian, Queen's Gambit, Italian Game, French, Caro-Kann, Ruy Lopez, London System, King's Indian, Slav, Nimzo-Indian, English, Scotch, Vienna, King's Gambit and many more. Puzzles adapt to your rating, from beginner to 2200+. OPENING EXPLORER Browse 12,000+ named openings and variations. See the main replies, how often each move is played, and add any line to your repertoire with one tap. SCOUT YOUR OPPONENT Preparing for a tournament game? Import an opponent's games from Lichess or Chess.com, see the openings they play and where they go wrong, and drill a plan against them. PLAY THE ENGINE Play Altair, our own neural-network chess engine, on 8 levels from about 800 to 2350 Elo, with or without a clock, plus Chess960. Test your repertoire in a real game, then review it move by move. ANALYSIS Analyse any position or game with the built-in engine: best lines, evaluation and the move you should have played. PUZZLE SMASH Solve as many puzzles as you can in 3 or 5 minutes, or survive with 3 lives. HINTS THAT TEACH Stuck? A hint points you in the right direction without giving the move away. WORKS OFFLINE Puzzles, your repertoire and the engine run on your phone - train on a train, on a plane, anywhere. MAKE IT YOURS Board themes, piece sets and app themes, light or dark. TRACK YOUR PROGRESS Rating, accuracy by opening, solved puzzles and your weakest lines - see what to train next. Available in English and Polish. Free to use with ads; some features have a daily limit. Premium removes the ads and the limits. Privacy Policy: https://dawikk-apps.vercel.app/ChessOpenings/privacyPolicy.html Terms of Use: https://dawikk-apps.vercel.app/ChessOpenings/termsOfUse.html

Screenshots

BookMoves4 screens
Chess Opening Tactics Trainer4 screens

Verdict

The call

The clearest difference is in-app purchases: BookMoves at none against Chess Opening Tactics Trainer's 7. BookMoves also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price 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. Chess Opening Tactics Trainer sells 7 in-app purchases, starting at $2.99 per month. BookMoves asks for nothing beyond the download.

UpkeepUpdate frequency

BookMoves ships an update every 3 weeks, Chess Opening Tactics Trainer every 2 months. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
BookMoves versus Chess Opening Tactics Trainer: the parameters behind the verdict, then further details
ParameterBookMovesChess Opening Tactics Trainer
PriceFreeFree
Rating4.5 (4 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better16.4
Further details — not scored
Size70 MB146 MB
Age rating4+4+
DeveloperRegulus Team s.r.o.Dawid Wrzesinski

In-app purchases

None

BookMoves

No in-app purchases

7 purchases

Chess Opening Tactics Trainer

Subscriptions4
  • Espresso Subscription$2.991 Month
  • Flat White Subscription$5.993 Months
  • Latte Subscription$7.996 Months
Show 1 more
  • Super Large Subscription$12.991 Year
One-time3
  • Espresso$3.99
  • Flat White$6.99
  • Latte$9.99

Questions

Is BookMoves free?
BookMoves is free to download, with no in-app purchases.
Is Chess Opening Tactics Trainer free?
Chess Opening Tactics Trainer is free to download, with in-app purchases available.
Do BookMoves or Chess Opening Tactics Trainer have ads?
Chess Opening Tactics Trainer shows ads; BookMoves does not.
Which is updated more often, BookMoves or Chess Opening Tactics Trainer?
BookMoves ships an update every 3 weeks, and Chess Opening Tactics Trainer every 2 months. Most recently, BookMoves was updated on November 3, 2026 and Chess Opening Tactics Trainer on October 24, 2026.

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