Accurate Ruler is a free measuring tool developed by Xiangyi Liu for Apple devices. This ruler app is perfect for anyone who needs to measure objects with precision. Accurate Ruler stands out from other ruler apps because it renders according to the screen width specification of the device it is being used on, ensuring accuracy. The app has already been tested on various Apple devices, including the iPhone X, XR, XS Max, all sizes of iPad 2019, iPhone 4, 4s, 5, 5s, 5c, 6, 6 plus, 6s, 6s plus, SE, 7, 7 plus, iPad 2, 3, 4, Air, Air 2, Mini, Mini 2, Mini 3, Mini 4, Pro, and iPod Touch 5/6. If your device is one of them, you can be assured that Accurate Ruler will provide you with the precise measurements you need.