Free virtual ruler
For those who don’t bring physical rulers anywhere but seem to need them sometimes,
On-screen Ruler
is a great app to have. This handy, free
utility
app basically produces a
floating ruler
on your device’s screen, turning it into a
measuring tool
in seconds. You only need to
grant permission
for it to be displayed over other apps, then you’re good to go.
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Developed by NeedJava, On-screen Ruler allows you to measure both tangible and intangible objects. You may use it to
determine the size
of the things on the screen or for objects you’re holding in your palms.
Handy and multipurpose ruler
A beneficial tool for
UI testers
or
designers
, On-screen Ruler helps users
measure the elements
on a screen accurately. Measurement units can be in
centimeters
or
inches
, and you can toggle between them through the settings menu. You can also
slide
the virtual ruler along the screen to determine a more
customized end or starting point
. Moreover, you can use it either
vertically
or
horizontally
.
You can also modify the
color
of the ruler’s measurements and hash marks. However, the color choices are
super limited
, even if you’re trying to type out a different color code, it eventually reverts back to the nearest built-in option. They may be limited but these colors must be enough for the ruler to be visible against backgrounds of any other color.
If you think that the ruler is showing inaccurate measurements, you can easily
calibrate
its settings. You can also
drag
it across the screen to satisfy any measuring necessity and it will adjust accordingly. However, the ruler shows only up to
16 centimeters
and
6 inches
. If you're measuring a relatively long object, this app may not be that helpful to you.
Is it worth using?
On-screen Ruler is a virtual measuring tool that anyone can use and understand. Should you come across a situation in which you need a measuring device, you can definitely go for this app. You may use it on its own or you can have it displayed over other apps, so you can measure certain objects there. The ruler's calibration, color, and orientation can all be modified.