AIO Unit Converter is a simple, smart and elegant tool with more than 44 categories of units that are used in daily life. This is the only Unit Converter App in A[[ store that has such a wide range of Unit conversion features with very simple and optimised user interface and can be converted offline. 
This app sorted essential unit sets for your daily life into 4 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
- Misc. : angle, data, fuel efficiency, cooking, illuminance, radiation, prefix, binary, time zone, blood sugar, AWG

It shows different unit sets depending on user's country.
FEATURES
-  Built-In real time Currency Converter with more than 160+ World Currencies and their latest exchange rates.
- 44 unit categories
- 12700+unit conversions
- Smart Tools - Bubble Level, Compass, Protractor, Resistor codes, Stop Watch, Ruler, World Time, Date Converter and much more.
- Commodity Latest Exchange Rates - Bit Coin, Gold, Silver, Platinum Palladium to all world currencies.
- Offline Currency Converter mode feature lets you to convert all the 160+ world currencies without connecting to the internet.
- Has the highest number of unit conversion categories among all other unit converters. 
- Now added Financial Calculators and Mathematical Calculators along with other unit converters. 
- Time Zone Calculator with day light savings and accurate time differences calculations.
- Has most important conversion tools that are used in daily life including Fuel Calculations, Temperature, Volume, Speed, Weight, Computer Storage, Angle, Power, Viscosity, Force, Energy, Torque, Density and much more… 
- Has Engineering conversion tools like radiation, electric resistance, electric capacitance, inductance, inertia, specific heat density, specific heat capacity, and illumination. 
- Built-In Calculator to perform basic arithmetic operations on the fly while using the unit converter.
- Built-In Search functionality.
- Supports both Metric and Imperial Units
- A Feature to add and customise Favourite Units.
- A Feature to add your own Custom Unit Conversions.
- Financial calculators - Loan calculator, Compound interest calculator, Retirement calculator, Service tax calculator, Stock calculator
- Maths calculators -Roman numeral converter, Number base converter, Number series generator, Ratio, Fraction, Proportion, etc..
- All the cool features for available absolutely free of cost.