Make your Android as a Tool Box Using Smart Tools for Android: Smart Tool is an Android app that turns your Android phone into a tool box for Tape measure, Compass, Ruler, Protractor, and Flashlight. Smart Tools is a combination of independent apps of same developer.
- Ruler Pro (Incl length, angle, slope, and level.)
- Smart Measure Pro (distance, height, width and area.)
- Compass Pro (compass, metal detector, and GPS)
- Sound Meter Pro (Sound level and Vibrations)
- and a Flashlight.
All individual apps are available in two version free and paid. Smart Tool is a combination of all paid apps in a single pack. Using Smart Tools you can easily calculate distances, lengths, height measures, vibrations, Level gauge, Sound level and Magnetic fields. The Smart Tools work well, and designed so that it looks good and works simply. Overall it is very good and must have app for Android.