AI Shogi - ZERO is a completely free chess app available for iPhone. It is designed for players of all skill levels, from beginners to advanced. With its simple interface and easy-to-use controls, it offers a convenient way to enjoy a game of shogi anytime and anywhere.

The app features an AI opponent with 20 levels of difficulty, ranging from beginner to 9-dan. Whether you're just starting out or looking for a challenge, AI Shogi - ZERO has you covered. Additionally, the app allows for multiplayer matches, so you can play against friends or fellow shogi enthusiasts.

One of the standout features of AI Shogi - ZERO is the ability to save game records and review them later. This feature is especially helpful for players looking to analyze their gameplay and improve their skills. The app also automatically tracks your win-loss record against each difficulty level, giving you a clear picture of your progress.

Overall, AI Shogi - ZERO is a great choice for anyone interested in playing shogi on their iPhone. Its accessibility, range of difficulty levels, and multiplayer options make it suitable for players of all backgrounds and skill levels. Whether you're a beginner looking to learn the game or an experienced player wanting to sharpen your skills, AI Shogi - ZERO has something to offer.