Straighten Up and Level 对比 Damage Patrol 的使用情况和统计数据

Straighten up your picture frames and other things from across the room! Guide an assistant to hanging your pictures exactly square using your iOS device's camera. Use the special line mode to detect edges clearly in a cluttered view. If you want something hung at a specific angle, we can help you there too! iOS devices have very accurate accelerometers to measure vertical. Sometimes these sensors drift a bit, but no worries! The app lets you set a calibration factor to get perfect vertical and horizontal.