About Ruler | A Curious Tool
Measure and compare objects around you! With Ruler, users can explore and measure objects around them and learn about sizes, units of measure, and proportions. * Simply pick a known reference object in Ruler, like a coin...
Measure and compare objects around you! With Ruler, users can explore and measure objects around them and learn about sizes, units of measure, and proportions. * Simply pick a known reference object in Ruler, like a coin or a sheet of paper, then select an object you d like to measure. * Place these objects side-by-side and take a picture. * Ruler provides sliders to measure the objects and compares their relative sizes. * Switch between the US and Metric measurement system. 36 Reference objects to choose from including: - US and World coins and paper bills - iPhone and iPad - Credit Card - Crayon - Lego and Duplo bricks - CD/DVD - US and A4 paper sheets - soccer, tennis, basket, baseball, golf, football balls - soda can Note for parents and educators: The app shows iAds. If you want an ad free version of this app, please download Curious Ruler
Requires iOS 6.0 or later. Compatible with iPhone, iPad, and iPod touch.
Previous Versions
Here you can find the changelog of Ruler | A Curious Tool since it was posted on our website on 2016-10-18 19:14:36.
The latest version is 1.0 and it was updated on 2026-06-25 01:54:57. See below the changes in each version.
Ruler | A Curious Tool version 1.0
Updated At: 2014-07-13
Disclaimer
Official App Store Link
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