Best apps like Time Duration Calculator

LockInNote - note for widget

Notes × "Widget"!

Free

Quickly jot down notes directly on your home screen or lock screen widgets. Customize the appearance of your notes with various font and design options. Sync across devices using iCloud and link to other apps with URL schemes.

Radius on Map + : draw circle

share area and position

$5.99

Create and share circular areas on a map with a unique URL. Supports various coordinate and distance units, and allows importing/exporting data in KML format. Ideal for planning and communication.

MonthDay

Numeric date complications

Free

Display the current date on your watch face with customizable complications. View month, day, year, and day of the week based on complication size and regional settings.

Ops Clock

Professional grade time tool

Free

A versatile utility app offering a world clock with over 400 cities, unlimited timers, and three powerful calculators for time zone, time, and date arithmetic. It also features an event log to track real-time occurrences and elapsed times.

Epoch Time Converter

Seconds Since January 1, 1970

Free

Easily convert between epoch time and traditional date/time formats. This utility also provides a live, second-by-second display of the current epoch time. It's a straightforward tool for anyone needing to work with Unix timestamps.