lichess Free Online Chess for iOS

Lichess Online Chess is a free, open-source chess application designed for iPhone users, catering to chess enthusiasts of all skill levels. With support for both portrait and landscape modes, the app is available in 80 languages, making it accessible to a global audience. It boasts a daily active user base of around 150,000 players, reflecting its growing popularity within the chess community. The application allows users to engage in various chess formats, including bullet, blitz, classical, and correspondence chess, alongside participation in arena tournaments. Additionally, it includes a chess puzzle practice mode to enhance skills further.

The app is rich in features, offering multiple chess variants both online and offline, such as Crazyhouse, Chess 960, and Racing Kings. Players can analyze their games using local or server-based computer evaluations, complete with move annotations and summaries. Other functionalities include an opening explorer, a chess clock with customizable time settings, and a board editor. The Over The Board mode facilitates offline play with friends, ensuring a versatile chess experience. Notably, Lichess Online Chess remains completely free and ad-free, emphasizing user freedom and open-source principles.