Hozo Design has a pair of digital measuring devices in the NeoRuler and M-Cube, with both having the goal of making both micro and macro measurements more precise and easier to accomplish.

Forget hunting for a tape measure or a protractor. Use your Android phone camera and sensors to handle different types of measurements easily.

You can measure objects on an iPhone using Apple's Measure app. The app is free and works with specific versions of the iPhone, iPad, and iPod. You may be able to ...