Comparison

27words vs Chess Opening Tactics Trainer

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

Head to head
About

27words

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Multilingual word learning assistant with support for 4 foreign languages: English, French, German and Spanish. In the current version of the application, we offer basic functionality which will be expanded in the near future: - built-in translator; - auto-addition of unknown words to personal vocabulary; - game format for repeating words from the dictionary; - game statistics; - the ability to change the language of the study. Very soon we will add the interval repetition function and make it possible to use personal vocabularies for several languages simultaneously.

About

Chess Opening Tactics Trainer

Features
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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 โ€” review your lines, meet a new opening, solve puzzles โ€” in about 10โ€“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

27words4 screens
Chess Opening Tactics Trainer4 screens

Verdict

The call

The clearest difference is in-app purchases: 27words at none against Chess Opening Tactics Trainer's 7. On price and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Chess Opening Tactics Trainer sells 7 in-app purchases, starting at $2.99 per month. 27words asks for nothing beyond the download.

Scorecard1 real difference ยท 5 level
27words versus Chess Opening Tactics Trainer: the parameters behind the verdict, then further details
Parameter27wordsChess Opening Tactics Trainer
PriceFreeFree
Update frequencyโ€”Every 2 months
Adsโ€”Yes
In-app purchasesNo โ€” betterYes
Devicesโ€”iPhone โ€” better
Requires iOS15.5 โ€” better16.4
Further details โ€” not scored
Size4 MB146 MB
Age rating4+4+
DeveloperDaniil SemenovDawid Wrzesinski

In-app purchases

None

27words

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 27words free?
27words 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.

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