Use All Smart Tools app in your daily use. All Smart Tools is the most useful and handy app with more than 125+ tool utilities and features which provides most of the features in one app saving your time, effort, battery and device memory. All smart tools use sensor detection, calculator, sound detection, many science utilities, various unit conversions, many math utilities which will make your work easier in one place. ** Categories of All Smart Tools** ~ Calculator tool ~ Time and Date tool