iruler.net is described as 'Online ruler in actual size - cm & inches'. There are three alternatives to iruler.net, not only websites but also apps for iPhone, Android and Android Tablet. The best alternative is VisualRuler, which is free. Other great sites and apps similar to iruler.net are Xalpha Lab Ruler (Free) and i-Ruler (Freemium).
A simple, user-friendly and accurate ruler for your phone! Use a coin or a credit card to calibrate the ruler anywhere, when you don't have a real ruler with you! FEATURES - Ad free, for real, forever!
The most comfortable and easy to use ruler for your iPhone, See screenshots or just download and try it for FREE! HOW IT WORKS Just put your finger on the screen and slide your iPhone. It's as simple as that!