sound vs Random Number Generator

sound-time 是一款专为高效工作与学习设计的轻量化 iOS 应用，集番茄钟、白噪音、数据统计与个性化小组件于一体。核心功能包括：1) 番茄专注模式：支持自定义时长，搭配生动计时器与音效提醒，助你高效完成任务；2) 白噪音库：精选优质自然音源（如雨声、流水、风声等），模拟真实环境音，屏蔽干扰，营造沉浸式氛围；3) 数据统计：通过精美图表记录专注时长与完成轮次，直观掌握时间管理成果；4) 灵动小组件：随时查看专注状态与音源选择，操作便捷；5) 深色模式与灵动岛适配：完美契合苹果原生设计，保护眼睛的同时提升视觉体验。

Need a fair random number, dice roll, or coin flip in seconds? Set your range, tap Generate, and get instant results—no account required. Picking teams, drawing lots, or creating passwords? Spin the lottery wheel, roll up to nine dice, flip coins with stats, generate secure passwords, pick random colors, or split names into balanced groups—all in one offline app. • Number generator: custom range, count, unique or repeat • Dice roller: 1–9 dice with total points • Coin flip: single or batch, heads/tails stats • Lottery wheel: custom options, fair spin • Password generator: length and character types • Color picker: RGB/HEX, free or ranged • Team splitter: import list, random groups • History and 7-day usage trends • Offline-first: data stays on your device Perfect for games, classroom picks, daily decisions, and quick fair choices.