Update.

Version 2.2.66
✓ Pro Units : Construction, Plumbing, Photography Calculators
✓ New Units - Now Convert amonng 87 Unit Categories, Sort Units
✓ Crypto Converters, Air Flow, Internet Speed Test
✓ Electrical Calculators, Favorite and Search Units, Download Currency Rates
✓ New Tools - Metal Detector, Safety Siren, Screen Flash and more

New Unit Convention Added - 

-Angle 
-Frequency
-Force
-Torque
-Density
-Light
-Viscosity
-Current
-Voltage
-Resistance

-UI fix. :)

UI FIX!