Day Calculation app icon

Apps Like Day Calculation for iPhone and iPad

Calculate date differences and set date ranges

Calculate date differences between two dates. Determine end dates based on period and start date. Adjust inclusivity settings for both days or exclude the first day.

by Huaping Ye★ 5.04 ratingsUtilitiesFreeData updated 2026-09-06

Day Calculation screenshots

Ranked alternatives

Showing 201–220 of 1,000 ranked alternatives.

  1. Schengen Calculator: 90/180 app icon

    Schengen Calculator: 90/180

    阳 李

    Calculate stay days for visas

    Calculate remaining stay days based on entry and exit dates. Track days used and remaining within the rule. View impact of trip dates on visa compliance. Set reminders for departure and re-entry dates.

    ★ 5.01 ratingsTravelFreeData updated 2026-09-06
  2. 24-Hour Weekly Schedule Notes app icon

    24-Hour Weekly Schedule Notes

    SHIGETO TAKAGI

    View daily in a red frame

    Displays a -hour timetable with one-line for each day. Shows current time and day in a red frame. Includes today's date. Allows switching between days by specifying the page.

    ★ 4.462 ratingsProductivityFreeData updated 2026-09-09
  1. Tri-Go Math - Your math helper app icon

    Tri-Go Math - Your math helper

    Alejandro Apodaca

    Calculate areas, solve trigonometry, and complete homework

    Complete homework tasks with offline access and tools. Calculate areas and use basic and trigonometry calculators. Convert units and solve first- and second-degree equations. Additional features will be added soon.

    ★ 4.517 ratingsEducationFreeData updated 2026-09-06
  2. Projectionist app icon

    Projectionist

    Ted Parnefors

    Calculate projector lens settings

    Calculate projector lens and distance based on screen size or determine screen size from distance and lens. Access detailed product specifications for Barco, Christie, Panasonic, Sanyo, and Projection Design projectors.

    ★ 4.33 ratingsBusiness$5.99Data updated 2026-09-08
  3. Count Suruo - days count app icon

    Count Suruo - days count

    mitsuhiro nara

    Until or since a date

    Track time intervals with countdown and -up features. Calculate passed since specific events like birth, joining, or marriage. Display remaining until scheduled dates or life span estimates. Switch between countdown and -up modes.

    ★ 5.015 ratingsProductivityFreeData updated 2026-09-10
  4. Calendar Widget - Schedule App app icon

    Calendar Widget - Schedule App

    FugaPiyo Inc.

    Scroll calendars, set dates, manage events

    Manage events with customizable colors and labels. Set start day and year. Display holidays and days off with color coding. Use Rokuyo support and 24-hour time format. Add event labels with adjustable font size and color.

    ★ 4.6160 ratingsProductivityFreeData updated 2026-09-06
  5. Jalali/Persian Calendar app icon

    Jalali/Persian Calendar

    Milad Behrooz

    Show Jalali date and day of month

    Display Jalali with current date and day of the month. Show year and month progress. Highlight today's event. Includes beautiful widgets. Open source with available source code.

    ★ 4.339 ratingsUtilitiesFreeData updated 2026-09-06
  6. Convert Date app icon

    Convert Date

    Fahad Alrashidi

    Dates between calendars

    Dates between Islamic, Gregorian, Hebrew, Buddhist, Persian, Japanese, and Chinese calendars. Calculate age based on birthdate. View history of past conversions. Share results as images.

    ★ 4.813 ratingsUtilitiesFreeData updated 2026-09-09
  7. OK Alarm: Holiday & Shift Work app icon

    OK Alarm: Holiday & Shift Work

    志聪 黄

    Set alarms for shifts, holidays, and personal

    Set alarms for specific dates, holidays, and custom schedules. Track rotations with one alarm. Adjust settings for overtime and leave days. Receive notifications for upcoming events and deadlines.

    ★ 4.563 ratingsUtilitiesFreeData updated 2026-09-06
  8. RaceTools app icon

    RaceTools

    MirzaWorks LLC

    Calculate ethanol goals and track fuel efficiency

    Ethanol Calculator allows users to determine the mix of pump gas and ethanol gas needed for a desired blend by entering specific details. Users can review past calculations for quick recalculation.

    ★ 4.978 ratingsUtilitiesFreeData updated 2026-09-06
  9. Spooky Tip Calculator app icon

    Spooky Tip Calculator

    bobby herndon

    Calculate tips and split bills automatically

    Calculate tips with a 20% default rate. Split bills among multiple people. Customize tip percentages. Share calculations via email or messaging apps. Adjust total amounts and view breakdowns.

    ★ 5.015 ratingsUtilitiesFreeData updated 2026-09-06
  10. Simple Working Calendar app icon

    Simple Working Calendar

    Нико Беллик

    Calculate work hours and track schedules

    Manage work schedules by adding custom shifts and tracking holidays. Set vacation days and view views. Adjust work shifts and receive alerts for upcoming tasks. Sync with business calendars and export schedules.

    ★ 4.8109 ratingsProductivityFreeData updated 2026-09-06
  11. The Qiblah app icon

    The Qiblah

    Eternity19 LLC

    Find direction and pray correctly

    Calculate direction using compass and map views for accurate prayer alignment. Determine start and end times for Hajj, Ramadan, and Lailat-ul-Qadr based on location. Provide guidance on correct calculation as per Quranic principles.

    ★ 4.475 ratingsLifestyleFreeData updated 2026-09-08
  12. Stair Help app icon

    Stair Help

    Armchair Engineering

    Calculate staircase dimensions with precision

    Calculate staircase dimensions with precise formulas. Input riser height and step depth to determine going, stringer, and base lengths. Choose units from mm, cm, or inches.

    ★ 4.6241 ratingsUtilities$1.99Data updated 2026-09-10
  13. Work Hours Tracker & Paycheck app icon

    Work Hours Tracker & Paycheck

    Cristina Munoz Castillo

    Track and calculate earnings

    Track with clock-in and clock-out features. Calculate earnings based on actual time worked. View detailed calculations including overtime. Manage schedules and track time across multiple jobs. Export time logs and earnings reports.

    ★ 4.7127 ratingsProductivityFreeData updated 2026-09-06
  14. Calf Keeper app icon

    Calf Keeper

    CattleSync, LLC

    Track calves, link to herd, calculate gestation

    Track birth data, link calves to cows and bulls, and use a gestation calculator for calving dates. Customize data entry fields and add customizable scores to monitor important metrics.

    ★ 5.03 ratingsBusinessFreeData updated 2026-09-06
  15. kVA Calculator app icon

    kVA Calculator

    Pro Certs Software Ltd

    Calculate kVA, kW, and Amps

    Calculate kVA, kW, Amps, Volts, and Power Factor using single or three-phase formulas. Input two values to determine the third. Convert between kVA, kW, and Amps. Supports UPS, generator, and transformer calculations.

    ★ 4.411 ratingsUtilitiesFreeData updated 2026-09-08
  16. Loan & Lease Calculator - Calc app icon

    Loan & Lease Calculator - Calc

    Cedric Porter

    Calculate loans and view amortization schedules

    Calculate payments and view amortization schedules to compare different options. Input vehicle details and interest rates to determine monthly payments. Save and share calculations for reference.

    ★ 4.523 ratingsFinanceFreeData updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.