ChessBase: Analysis & Database

Puzzle Fight: Competitive 24-puzzle matches against real opponents with Elo rating. Solve faster, score higher, gain rating points. Redesigned tactics training with per-puzzle Elo tracking. Your rating adjusts after every single attempt, not after a batch. AI Kibitzer: Live AI commentary with personality, references chess legends, narrates your game, available with audio output. Configurable per mode. Cloud analysis with several engines, including Fritz and Lc0. Free basic tier for Fritz, scalable cloud servers for deeper analysis. Light and dark mode across all screens, with device preference support. Premove support in live games. Queue your next move while your opponent is thinking. Performance and stability improvements.

Source: Apple App Store listing.