Calculate dates and day numbers
Provides date calculations including day number lookup, date conversion from year/day number, days between dates, date addition/subtraction, and day of the week checks.
Showing 201–220 of 1,000 ranked alternatives.
Goksel Pirnal
Count down to important dates
Track time with countdowns for goals, birthdays, and events. View days remaining or passed. Add home screen widgets for quick access. Set reminders and monitor progress toward milestones.
Daniel Hernandez Sanchez
Track expiry dates and receive
Track dates of groceries with reminders before spoilage. View item details and storage tips. Receive suggestions to reduce waste and extend shelf life. Share grocery lists and set for restocking.
FugaPiyo Inc.
Create and manage lists with reminders
Manage lists with multiple entries and custom notes. Track days remaining, calculate ages, and set reminders for the day, the day before, or 7 days in advance. Use color coding and dark mode for easy viewing. All features are free to use.
Uniqo Lab FZC
Count days together, track milestones
Track milestones by counting days together. Display the count on a minimalist widget on your Home Screen. Set and view special dates. Update the count manually or automatically. Share milestones with a partner.
Greg Morris
Track with animated characters
Track days until with a timer. View animated characters that grow in size as approaches. Use custom background images or personal photos. Characters animate off the screen when nears.
Tamer Elsharqawy
On, play music, track time
Control iPhone and iPad with a single tap. Play music from your device library. View current time, day, and date. Receive hourly messages to help manage tasks and stay organized.
jaesung Lee
See public holidays at a glance
View red days at a glance using the annual . Tap a date to save simple events or long press for event options. Save recurring events monthly or yearly.
Jubbly Pty Ltd
Practice dates and track your progress
Learn to calculate the day of the week for any between 1800 and 2200 using the Doomsday Algorithm. Track progress with personal times. Compare results with calculated values. Save custom mnemonics for special dates in the Doomsday List.
Nanjing LeMeng Network Technology Co., Ltd
Record daily entries and sync across devices
Record daily activities, thoughts, and ideas in entries. Organize entries by date, folder, or tags. Search for entries by keywords in titles or text. Sync data across devices.
Shohei Tatsuno
Calculate dates and track relationships
Calculate the number of days between two dates. Input a start date and end date to determine the difference. Track time intervals for personal events or milestones. Export results in text format.
Bokeria
Convert time zones and dates globally
Convert time zones and dates between any regions. Display current time for any location. Search for time in specific areas. Accurately compare times across different time zones. Adjust and view dates and times in multiple regions simultaneously.
FugaPiyo Inc.
Calculate, save, and reuse formulas
Perform mathematical calculations with support for parentheses and decimals. Save and reuse formulas or results. View calculation history with color coding, dates, and . Calculate totals from selected entries. Move or duplicate history entries.
Gimin Kim
Convert time formats and align data
Convert GPS Time to UTC and vice versa with support for leap seconds. Input GPS Week and Time of Week or GPS Week and Day of Week. Output in various time formats. Align observation data and parse ephemerides efficiently.
VNAPPMOB COMPANY LIMITED
Track lunar dates and calendar events
Track lunar dates and zodiac hour insights with customizable home screen widgets. View mini-calendar layouts and access lunar information across iPhone, iPad, and Apple Watch. Set reminders and sync data between devices.
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