Smart Tools Pro v14.2 APK Smart Tools is a handy tool box app with 40 smart DIY and metering tools like bubble level, ruler, compass, distance meter, unit converter, DB meter, protractor, stopwatch, NFC, bar and QR reader… Use device’s in-built sensors in all in one tool box app, handy like a swiss army knife. Smart Tools là một công cụ tiện dụng với 40 phép tính thông minh và công cụ đo lường như bubble level, ruler, compass, distance meter, unit converter, DB meter, protractor, stopwatch, NFC, bar/QR code reader... Features of Smart Tools Pro Ruler: Measure dimensions and angles. Ruler size can be calibrated; Bubble level: Check horizontal and vertical surface level. Bubble level can be calibrated; Light: Use it as a manual torch light, strobe light or a sound driven light show; Protractor: Measure the slope and angle of any object using imaginary weight. Protractor can be calibrated; DB meter: Measure the sound DB level and its spectrum. DB meter can be calibrated; Location (map): Shows your location on map with GPS coordinates, address and the altitude; Distance meter: Measure distance and height of different objects using device’s sensors and smart algorithm. Distance meter can be calibrated; Speed gun: Measure speed of moving objects using device’s sensors and smart algorithm; Stopwatch: Switch between regular type stopwatch and countdown type stopwatch; Thermometer: Measure current temperature, humidity and air pressure. Thermometer sensor is required; Magnetic field meter: With measuring magnetic field around nearby objects you can also use it as a metal detector; Vibration meter: Richter scale based seismograph data. The algorithm is auto-calibrating; Luminosity meter: Works better on device’s with Lux sensor, otherwise uses front camera; Color sensor: Measure the color of any object in RGB format through your camera; Cardiograph: Measure your hearth rate using device’s camera and smart algorithm; Speedometer; Compass; Battery tester; Drag Racing. Some bugs fixed. Screenshots Downloads: