Tool Box app is a great set of utilities for Windows Phone devices.
- World Clock - shows the time in a number of European cities with the ability to add your city.
- Unit Converter - allows you to convert different units of measurement of angles, space, energy, weight, length, mass, velocity.
- World Holidays - With this application you can learn about holidays in any country.
- Date Calculator - shows how many days are left until a certain date.
- Sale Price - allows you to calculate the cost of any goods with discounts.
- Level Meter - this is accurate enough level, you can select one of the two representations.
- Random Number - generates a random number.
Requirements: Windows Phone 7 | Windows Phone 7.5 | Windows Phone 8 | Windows Phone 8.1