Apps like Duty Day Calculator

Here are some great alternatives to Duty Day Calculator by Karski :
Aviator's Calculator Lite
Aviator's Calculator Lite
★4.6
Aviation Pilot LogBook
Aviation Pilot LogBook
★3.4
Flight Crew View
Flight Crew View
★4.8
PILOTLOG - CrewLounge AERO
PILOTLOG - CrewLounge AERO
★3.9
Flitebook
Flitebook
★4.0
Easy work scheduling
Easy work scheduling
★4.4
intelliPilot - Pilot LogBook
intelliPilot - Pilot LogBook
★4.3
Date Calculator
Date Calculator
★4.6
Timesheet Pro
Timesheet Pro
★4.3
Date & Time Calculator
Date & Time Calculator
★4.7
Time Calculator
Time Calculator
★3.8
Date Calculator Pro
Date Calculator Pro
★4.6
Aviation FlightTime Calculator
Aviation FlightTime Calculator
★5.0
Time and Hours Calculator
Time and Hours Calculator
★4.6
Date Calculator - Time & Age
Date Calculator - Time & Age
★4.3
CalcBox -All In One Calculator
CalcBox -All In One Calculator
★4.3