Smart Ruler 1.3.1_17 - 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 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
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