基于艾宾浩斯遗忘曲线，智能安排每日复习任务，让记忆更持久。
Based on Ebbinghaus forgetting curve, intelligently schedule daily reviews for lasting memory.
我们不收集任何用户数据。所有学习记录仅保存在设备本地。
Zero data collection. All learning progress stays locally on your device.
内置多种常用汉字表，支持自定义添加，满足不同学习需求。
Built-in character sets for various learning needs, with custom input support.