With a single touch your iPhone turns into a top accurate ruler. Over 1,000,000 of people downloaded the Ruler and find it useful! How does it work? You can measure any object by simply placing it on the device screen or just next to it. By moving each line limiter one after another you can get the most accurate measurement. Feel like measuring in centimeters? No problem! Just switch from inches to centimeters on the information screen. Ruler
saves your latest measurement and you can get back to it anytime.