ConvertIt! Unit Converter is a free Android application developed by DDW that provides a quick and intuitive way to convert over 1400 units from 90+ categories. This app is optimized for smartphones and tablets and comes with a material design interface. It also offers more than 150 currency exchange rates that can be updated hourly and available offline.

One of the best features of ConvertIt! is the Copy-Conversion option, where copied values from any app are automatically converted. The app also offers optimized layouts for phones, 7-inch tablets, and 10-inch tablets. It includes a search for units, real-time conversion while typing, and great usability features such as adding favorites, listing most-used conversions, and sorting units by names or values. Additionally, it offers 90+ categories in 20+ languages, making it highly accessible to users worldwide.

Permissions required include network communication for getting the latest currency exchange rates and loading ads, hardware controls for giving haptic feedback (vibrate), and running at startup for copy-conversion.

Overall, ConvertIt! Unit Converter is an excellent tool for anyone who needs a quick and easy way to convert units and currencies. Its intuitive design and helpful features make it a must-have for anyone who frequently needs to make conversions on their Android device.