Comparison

Calvin Chess Trainer vs Gambit

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

Head to head
About

Calvin Chess Trainer

Features
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Calvin Chess Trainer drills the skills that puzzles take for granted: seeing the whole board, and reading and finding squares and moves without thinking. Daily warm-up Five quick timed drills, about five minutes: find the checks, spot the loose pieces, find the forks, name squares from Black's side, then a mate in one. Vision • Find Checks: every check in a real game position • Find Captures: every capture on the board • Hanging Pieces: every undefended piece • Forks & Skewers: the squares that hit two targets • Knight Sight: every square a knight reaches • Knight Flight: the fewest moves to the target • Pawn Attack: slip past a wall of pawns • Mate in 1: 400 positions, one move to mate Notation • Squares: find the square, fast, from White's side or Black's • Files & Ranks: name every file and rank • Read Moves: read a move, then play it • Piece Letters: K, Q, R, B and N at a glance • Piece Values: which side comes out ahead? Opening Explorer Play through the openings with book moves, Stockfish hints and an evaluation bar. Practice your way • Practice at your own pace, or race the clock in timed rounds • Every drill remembers its setup, and Continue picks up where you left off • Results show the answers you missed • Personal bests, saved on your device • Squares and pieces spoken aloud as you play • Works offline No ads, no in-app purchases and no account. From Internut Education.

About

Gambit

Features
Read full description

Gambit helps you learn from your games without making study feel like homework. Import your games, review the moments that actually mattered, and start noticing the patterns that keep showing up in your play. It's like having a coach in your pocket who knows your games and knows where you tend to get in your own way. Whether you just hung your queen, missed a tactic, or played a great game and want to know why it worked, Gambit turns your games into clear, friendly lessons you will actually want to come back to. Import your games from Chess.com: Add your username and pull in your recent games so your review queue is ready to go. Get guided game reviews: Gambit focuses on the key moments, not every random move. You get a cleaner review experience that is easier to follow and easier to learn from. See what actually happened in your game Step through the biggest turning points, mistakes, missed chances, and strong moves with simple coaching that explains what mattered. Spot recurring patterns in your play: The more games you review, the more Gambit learns. It can surface repeat habits and tell you the one thing that is worth fixing first. Stay on top of new games: Turn on auto sync and notifications so new games get imported and you know when one is ready to review. Make the app feel like yours: Choose from different board themes and app icons to give Gambit your personal touch. Keep your progress with you: Your saved history and preferences sync so your coaching experience stays consistent. Built with privacy in mind: Your account is used for game imports and review features, nothing creepy, nothing weird. Gambit is for players who want to improve, but also want the process to feel fun, encouraging, and actually useful. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Calvin Chess Trainer4 screens
Gambit4 screens

Verdict

The call

The clearest difference is in-app purchases: Calvin Chess Trainer at none against Gambit's 2. Calvin Chess Trainer also leads on iOS requirement (15.0 vs 18.0). On price, ads and device support 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. Gambit sells 2 in-app purchases, starting at $6.99 per month. Calvin Chess Trainer asks for nothing beyond the download.

Scorecard2 real differences · 4 level
Calvin Chess Trainer versus Gambit: the parameters behind the verdict, then further details
ParameterCalvin Chess TrainerGambit
PriceFreeFree
Update frequencyEvery 5 days—
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size170 MB68 MB
Age rating4+4+
DeveloperDAVID MARKLEJack Cornet Paterson

In-app purchases

None

Calvin Chess Trainer

No in-app purchases

2 purchases

Gambit

Subscriptions2
  • Monthly$6.991 Month
  • Yearly$49.991 Year

Questions

Is Calvin Chess Trainer free?
Calvin Chess Trainer is free to download, with no in-app purchases.
Is Gambit free?
Gambit is free to download, with in-app purchases available.
Do Calvin Chess Trainer or Gambit have ads?
Neither Calvin Chess Trainer nor Gambit shows ads.

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