Resin Timer is a free iPhone utility tool developed by Jin Hyeok Choi. This app serves as a companion for Genshin Impact players, offering notifications and displays for resin, expeditions, items, gadgets, talent books, and weapon ascension statuses. Users can manually input remaining time for various in-game activities, and the app will automatically calculate the status for them.

With Resin Timer, Genshin Impact enthusiasts can efficiently manage their in-game resources and activities, ensuring they make the most of their gameplay experience. This app provides a convenient way for players to stay organized and informed about important aspects of the game.