If you are looking for a time duration calculator, this is your best choice!
• Time calculation (addition, subtraction, multiplication, division).
• 12/24 hour mode and normal mode.
• Support seconds.
• Support backspace.
• Shortcut key to enter the current time.
• You can turn on keyboard click sound.
• Both iPhone and iPad are supported.
Up to six family members will be able to use this app with Family Sharing enabled.