Surface Level 4th
Surface Level 4th facilitates the measurement of the slope of whatever surface you want to check. This professional tool distinguishes itself from oth...
SkyPaw Co.,Ltd
Protractor 1st
Have you ever forgotten your protractor at school or when you urgently look for a protractor to measure any kind of angles in real life? Then, Protrac...
Seismometer 6th
Taking advantage of the built-in accelerometer in your device, Seismometer 6th detects and visualizes any vibrations and moves of the device. So, why ...
Ruler 2nd
Do you think that using only your phone/tablet, you can precisely know the lengths of objects all around you such as pens, tables, pictures, windows,....