ChessUp vs zenkari

ChessUp is a companion app for the ChessUp smart chessboard. The app provides chess game archives and analysis. The app can link with the chessboard over BLE to provide live Ai assistance. The app can also provide an internet connection for the board in order to play remote chess opponents on various chess platforms.

zenkari is a native Akari (Light Up) puzzle app for iPhone and iPad. Place lanterns on open cells, satisfy numbered walls, and light the whole board — without two lanterns shining at each other. CLASSIC RULES, MODERN PLAY • Touch-friendly grids with clear feedback, haptics, and optional conflict highlighting • Step-by-step tutorial for new players • Timer, marks, sound, and appearance options (system, light, or dark) PUZZLE VARIETY • Standard Akari plus variations such as coloured light, mirrors, twins, queens (diagonal rays), regional boards, and hex grids • Procedurally generated boards by difficulty and size • Bundled puzzle packs and import support DAILY CHALLENGE & GAME CENTER (OPTIONAL) • A new puzzle each day with a target time • Leaderboards, achievements, and fastest-time previews per board size • Game Center sign-in is optional — core solo play does not require an account ACCESSIBILITY • VoiceOver labels on the grid • Dynamic Type in navigation and settings • Reduce Motion support PRIVACY Saved games, settings, and local progress stay on your device. The app may show ads to help keep zenkari free. See the privacy policy for details on advertising, analytics, and App Tracking Transparency. Akari and Light Up refer to the puzzle type. Nikoli and other third-party names are trademarks of their respective owners.