Measure ToolBox is all in one tool box app with 23 measure tools.

Toolbox list:
Ruler;
Spirit level;
Speedometer;
Distance meter;
Protractor;
Speed gun;
Unit and currency converter;
Compass;
Location (map);
Stopwatch;
Magnetic field meter (teslameter);
Seismometer;
Luminosity meter;
Color meter;
Heart rate;
Sound meter;
Pitch tuner;
Metronome;
Thermometer;
Drag Racing;
Battery tester;
Accelerometer.

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

Free app with ads.

Toolbox supports all device brands and several languages, but not all models have the appropriate sensors to support all tools.