Tool and utility list:

Ruler: Measure dimensions and angles of different objects;
Spirit level: Check the surface levels;
Speedometer: Displays you the speed on a racing-style gauge using GPS. It also records maximum speed, average speed, traveled distance and a current slope;
Distance meter: Measure distance and height of different objects using smart algorithm;
Protractor: Measure the slope (angle) of any object using your camera and imaginary weight;
Speed gun: Measure speed of moving objects using smart algorithm;
Unit converter: Convert between different currencies and physical units. Currencies are updated automatically;
Compass: Will help you discover the right direction;
Location (map): Shows your current location on the map, current GPS coordinates and the altitude;
Stopwatch: Measure the time accurately. It also includes the countdown option;
Magnetic field (teslameter): Detect magnetic field of nearby materials and observe it on real time chart;
Seismometer: Observe real time seismometer data, based on Richter scale. The algorithm is auto-calibrating;
Luminosity meter: Measure the environmental luminosity (Lux);
Color meter: Capture the color of any object in RGB format through your camera;
Heart rate: Measure your heart rate with a camera and observe a real time pulse chart. Smart algorithms are used to filter the noise;
Sound meter: Monitor the current sound pressure level and its spectrum;
Pitch tuner: Tune the pitch of your voice or musical instruments. It can also play the corrected tone;
Metronome: Classic metronome with adjustable tempo;
Thermometer: Displays current temperature, humidity and air pressure;
Drag Racing: Measure the performance of your vehicle. You can switch between different acceleration and brake tests. It includes an auto start/stop function and a chart;
Battery tester: Test your device's battery;
Accelerometer: Displays device's accelerometer sensor data in real time on a chart.