Chessight vs ChessBased

Chessight is the fastest way to analyze, review, and learn from your chess games — all on your iPhone. Import your own games or analyze chess.com matches from any username. A full Stockfish 18 engine runs locally on your device to classify every move as brilliant, great, best, inaccuracy, mistake, or blunder — exactly like the big chess sites, but without an account or monthly subscription. WHAT YOU CAN DO • Analyze any PGN — paste a game or import via share sheet • Pull chess.com games by username with one tap • See move-by-move accuracy, classifications, and eval graph • Tap any move for a detailed breakdown with best alternatives • Explore variations freely — play "what if" lines and get instant evaluation • Share positions with a single tap PLAY & TRAIN • Play against Stockfish at adjustable depth (1–20) • Solve the daily chess.com puzzle • Browse 37+ famous checkmate patterns • Edit any position with a flexible board editor PRIVACY FIRST • The Stockfish engine runs entirely on your device — your games never leave your phone • No account required • Chess.com game data fetched through their public API FREE OR PREMIUM • One free deep analysis every day • Watch a short ad to unlock additional analyses • Or buy Premium once — unlimited analyses, no ads, forever • Premium is Family Shareable WHAT'S INCLUDED • Stockfish 18 with NNUE neural evaluation • Interactive board with legal-move highlighting • Opening book detection • Accuracy stats across games • iPad-optimized two-column layout • Works on iPhone and iPad (portrait and landscape) Download Chessight today and start analyzing every move you make.

Now with Stockfish 19!! The only chess app with the strongest chess player on the planet in your pocket. ChessBased:Stockfish 19 takes opening analysis to a whole new level. At a glance, users see a seamless UI of openings databases with millions of games, win-loss statistics, and depth 60+ (!!) Stockfish 19 evaluations. That's right. With trillions of positions in the engine database, we did the hard work for you when it comes to looking at evals in your favorite chess openings. Now you can prepare like Magnus Carlsen and Hikaru Nakamura, without having to spend thousands on expensive hardware. Explore openings move by move, compare master-game trends, review engine-backed recommendations, and save your favorite lines in Lichess-like fashion for later study. ChessBased is built for fast, focused preparation on iPhone and iPad, whether you’re checking a tournament line, building a repertoire, or just curious what a depth 60+, 192 core engine thinks. Simple UI. Powerful engine. Better prep.