Smart Tools is a handy kit of tools with 40+ carpenter construction measure and other tools and utilities. Use device's in-built sensors in all in one toolbox app handy like a swiss army knife.

Carpenter + construction tools kit:
Ruler;
Bubble level;
Laser level;
Light: Manual torch light strobe light or a sound driven light show;
Protractor;
Magnifier.

Measure tools kit:
dB level: Measure the sound dB level and its spectrum;
Location (map) with altimeter;
Distance meter;
Stopwatch;
Thermometer;
Magnetic field meter (metal detector);
Vibration level meter;
Luminosity (LUX) level meter;
Color sensor;
Speedometer;
Compass;
Battery tester;
Network speed test;
Drag Racing.

Other handy utilities kit:
Unit currency and size converter;
Calculator;
Code scanner: QR code and bar code;
Text scanner;
NFC scanner;
Accelerometer;
Time zones;
Mirror;
Dog whistle;
Microphone;
Metronome;
Pitch tuner;
Counter;
Random generator;
Pedometer;
Body mass index;
Period tracker;
Translator;
Notepad.

Free app with ads option to remove it.

You can create separate shortcuts for each tool from the kit.

Toolbox supports all device brands and several languages but not all models have the appropriate sensors to support all tools and utilities especially from the measure kit.