Ruler is a free utility and tools app available on iPhone that offers a convenient way to measure various objects. With its on-screen ruler, you can easily measure anything around you with precision. Whether you need to measure in inches or centimeters, Ruler provides you with the flexibility to choose your preferred unit.

One of the standout features of Ruler is its multi-touch measuring system. By simply tapping the screen, you can start measuring the size of objects in a quick and efficient manner. The app also includes an augmented reality (AR) feature, allowing you to accurately measure objects using your device's camera.

In addition to linear measurements, Ruler offers several other useful measurement tools. The Bubble meter allows you to level objects horizontally, ensuring perfect alignment. You can also save your measurements for future reference, making it convenient for ongoing projects.

Ruler goes beyond just linear measurements by offering features like distance measurement, angle measurement for corners on 3D planes, area and perimeter measurement for rooms, volume measurement for 3D objects, and path measurement to calculate length and area. Furthermore, the app allows you to measure height relative to a recognized surface.

For those who need to generate plan projections and export them, Ruler has a dedicated Plan feature. Additionally, the app offers an on-screen ruler that allows you to measure small objects directly on your smartphone's screen.

With its versatile range of measurement tools and intuitive interface, Ruler is a handy app for anyone in need of accurate measurements. Whether you're a DIY enthusiast, a professional, or simply curious about the dimensions of objects around you, Ruler provides a reliable solution right at your fingertips.