Rul3r

Did you ever want to measure the length of something but you had no ruler at hand? Rul3r was created exactly for situations like this, so that a portable ruler is always available to you on your phone, whenever you need it.

What's more, Rul3r provides a lot more tools:

* Protractor
* Plumb Line
* Spirit Level
* Elevation, Air Pressure and Location meter
* Decibel Meter
* Ordinal Date Converter