Smart Tools 1.6.4 APK Free Download Android App. Measure length, angle, distance, height, direction and sound with your phone.Smart Tools is a complete package of 5 app sets. It includes 5 Pro sets for a total of 15 tools. In a word, All-in-One.Instructions :Download AppInstall APKSet 1: Length, Angle, Slope, Level - Smart Ruler ProSet 2: Distance, Height, Width, Area - Smart Measure ProSet 3: Compass, Metal detector, GPS - Smart Compass ProSet 4: Sound level meter, Vibrometer - Sound Meter ProSet 5: Flashlight - Smart Light ProWhat's in this version :Compass and flashlight update.Required Android O/S : 2.1+

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