Important information

This site uses cookies to store information on your computer. By continuing to use our site, you consent to Steel Media's privacy policy.

Steel Media websites use two types of cookie: (1) those that enable the site to function and perform as required; and (2) analytical cookies which anonymously track visitors only while using the site. If you are not happy with this use of these cookies please review our Privacy Policy to learn how they can be disabled. By disabling cookies some features of the site will not work.


Download on the AppStore Click here to request a review of this app

  • App Store Info


Put a $1 US dollar bill as a reference on a surface, this app lets you measure any distance (<1m) on the same surface. It keeps tracking the dollar bill using the rear camera and detects the scale and orientation of everything on the surface. With this app you have a ruler that's always in your pocket.

More currency support is coming.

What's New in Version 1.1

1. More currency can be used as the reference object.
USD 20
RMB 10
YEN 1000
WON 10000

2. You can use one iPhone/iPad screen as a reference and use another iPhone/iPad to measure.

3. Integrated a basic on-screen ruler. If you don't have any reference object on hand, you can still use this on-screen ruler to measure small objects.


Screenshot 1 of 4 Screenshot 2 of 4 Screenshot 3 of 4 Screenshot 4 of 4