The Best Unite Converter app , having 31 different categories .
- Basic : length (distance), area, weight (mass), volume (capacity)
- Living : exchange rate, temperature, time, speed, shoes, clothing, hat, ring
- Science : pressure, force, work (energy), power, torque, flow, current, voltage, density, viscosity, concentration, astronomy
- it is having 31 different categories
It shows different unit sets depending on user's country.