Smart Ruler

Gauge the length of a small object with your phone.
Smart Ruler is in the 1st set of the Smart Tools collection (length).
This app measures the length of a small object with your phone by touch. It is a Free version with No ads.
Usage is very simple.
1. Put an object on the screen of your phone.
2. Adjust the object to the left of the screen.
3. Touch the screen and read the length.

* Pro version added Features:
– Protractor?, Surface level
– Multi-Touch mode
– Caliper mode
– Architectural and Engineering Scales
– Ruler Extension
– Thread pitch gauge
– Various Tilt units
– No ads
* Do you want more tools?
Get [Smart Ruler Pro] and [Smart Tools] package.
For more information, see the manual, Youtube video and the blog. Thank you.