Price on Google Play: U$ 2,34
Price by YahSoft: FREE!
Categorie: Tools
Producer:  Smart Tools Co
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Measure  the length, angle, distance, height, direction and sound with telemóvel.Smart Tools is a set of tools from a collection of 1-5 packages. Includes 5 Pro versions, which have 15 tools. In a word, All-in-um. 

1. Length, Angle, Tilt: Smart Ruler ProConjunto 
2. Distance, height, width, area: Smart Measure ProConjunto 
3. Compass, Metal Detector, GPS: Smart Compass ProConjunto 
4. Sound level meter, Vibrometer: Sound Meter ProConjunto 
5. Flashlight: Smart Light ProPara a more detailed description, see the pages for each of aplicações.Mais tools will be added soon. The next is the speedometer, Magnifier, etc.