Time Duration Calc is a free Android app developed by AwesomeDev that allows users to easily calculate time duration between times and datetimes. It is a useful tool for anyone who needs to subtract hours, minutes, or seconds from a starting time, or add or subtract two time values.

One of the main features of Time Duration Calc is its user-friendly interface, which makes it easy to use for anyone. Users can choose between 12-time and 24-time formats to calculate the numbers of seconds, minutes, and hours between times, or the numbers of seconds, minutes, hours, days, months, and years between datetimes. Additionally, the app shows the total seconds, minutes, hours, days, weeks, months, and years of difference.

Another great feature of Time Duration Calc is the free time subtraction and addition calculators. These tools are perfect for anyone who needs to quickly calculate time differences without any hassle.

Overall, Time Duration Calc is a reliable and easy-to-use app that does exactly what it promises. If you need a simple time calculator, this is definitely worth checking out.