Decima vs Chessight

Pair the numbers that make ten, clear the board, relax. Decima is the number match puzzle you remember from school notebooks — a rule you learn in five seconds and a board you keep coming back to. HOW IT PLAYS Tap or swipe to connect two adjacent digits that add up to 10 — or link a chain of matching numbers. Cleared cells fall away, new digits drop in, and the board keeps flowing. No timer unless you want one. WHY PEOPLE KEEP IT ON THEIR PHONE • Quiet and unhurried — play one board or forty • 500 hand-checked ladder levels, always solvable, never a dead end • Time Attack mode when you want your pulse up • Works offline • Free ALSO INSIDE • A new daily puzzle every day • Global leaderboard • Live 1v1 duels against real players If you like number match games, sudoku, or any quiet logic puzzle, Decima will feel familiar from the first move. Good for a commute, a coffee break, or winding down at the end of the day.

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.