星迹：人生成就地图 vs Hinge Protractor

星迹是一款为个人成长设计的人生成就 App。 它不是普通待办或打卡工具，而是帮助你把长期目标、人生节点、习惯积累和重要突破整理成一条可见的成长路径。 你可以用星迹： - 创建属于自己的成就树 - 记录职业、财富、健康、学习、关系、创作和内在成长 - 点亮人生徽章和私人里程碑 - 为每个成就添加照片、截图、链接或文字证据 - 用时间线回看自己的成长轨迹 - 通过 AI 生成目标路径、成就描述和周/月复盘 - 从日志中发现那些你可能忽略的进步 星迹相信，人生不只是完成任务。一次勇敢表达、一段低谷恢复、一个长期坚持、一次重要选择，都可以成为值得保存的成就。 所有内容默认私密。你可以把星迹当作自己的成长仪表盘，也可以把它当作一座私人生活博物馆。 点亮你走过的人生路径。

Hinge Protractor for iPhone Duo: Forgot your protractor to school? Want a measure an angle at construction? Tracing a pattern and need a glowing guide line under the paper? Use the app on Duo! On iPhone Duo, it reads the hinge sensor and shows the exact angle between the two screens as you fold. On any other iPhone, the whole screen becomes a ruler at true physical size. FEATURES: - Live angle: Fold or tilt and watch the number follow in real time. - Resizable measurements: Pinch, twist and drag the reading anywhere on screen. - Honest precision: one-time calibration: open and close the hinge slowly, once. - Real-size ruler: Rulers along the screen edges show true physical size in centimetres or inches. Check them against any bank card for perfect accuracy. - Relative measurments: Drag two lines across the screen and read the exact position off both rulers. - Saved measurements: Double-tap to save an angle, a ruler position or both. Add a note, drag to reorder, and undo with one tap. - Configuration: Degrees or radians, centimeters or inches, light or dark theme, in English, Russian or Chinese.