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 21–40 of 1,000 ranked alternatives.

  1. DayNumCalc app icon

    DayNumCalc

    Mayra M Martinez

    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.

    ★ 4.86 ratingsUtilities$0.99Data updated 2026-09-06
  2. Date & Time Calculator Counter app icon

    Date & Time Calculator Counter

    FugaPiyo Inc.

    Calculate dates, times, and differences

    Calculate and differences. Add or subtract dates and times. Save results to bookmarks. Supports dark mode. No cost for usage.

    ★ 4.623 ratingsUtilitiesFreeData updated 2026-09-06
  3. Date Calculator, Days Calc app icon

    Date Calculator, Days Calc

    Phan Nhat Đang

    Calculate dates, add, subtract, track workdays

    Calculate the between two dates, add or subtract from a , and determine workdays. Track workdays added or subtracted. Perform calculations with an intuitive interface.

    ★ 4.5121 ratingsUtilitiesFreeData updated 2026-09-06
  1. LunaSolCal app icon

    LunaSolCal

    Volker Vocking

    Track sunrise, sunset, and twilight times

    Calculate sunrise, sunset, moonrise, and moonset times for your location. Track solar noon, day length, and equation of time. View declination, twilight phases, and azimuth angles. Monitor seasonal dates, solstices, and equinoxes.

    ★ 4.91,176 ratingsUtilities$4.99Data updated 2026-09-08
  2. Vacation Countdown App app icon

    Vacation Countdown App

    Kulana Media Productions LLC

    Count down to your trip date

    Track remaining days and hours until a trip starts. Input destination and travel date to view . Set multiple trip reminders. Share details with others. Syncs across devices for real-time updates.

    ★ 4.818,239 ratingsTravelFreeData updated 2026-09-09
  3. TrumpTime Date Calculator app icon

    TrumpTime Date Calculator

    Jonathan Blau

    Calculate time since Trump's term began

    Calculate time elapsed since the start of the Trump Administration. Track remaining days in the term. Estimate duration if re-elected. Select a or milestone to compare. View days passed, remaining, and total term length.

    ★ 4.7803 ratingsUtilitiesFreeData updated 2026-09-06
  4. Debt Payoff Planner & Tracker app icon

    Debt Payoff Planner & Tracker

    OxbowSoft LLC

    Plan , calculate , track progress

    Create a customized repayment schedule by inputting loan balance, APR, and minimum payment. Track progress with a visual timeline. Set reminders for payments and adjust plans as needed. Calculate interest savings and estimate -free dates.

    ★ 4.77,301 ratingsFinanceFreeData updated 2026-09-10
  5. ANOHIKARA : Count up/down app app icon

    ANOHIKARA : Count up/down app

    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.

    ★ 3.825 ratingsUtilitiesFreeData updated 2026-09-08
  6. Bruin Central app icon

    Bruin Central

    Ryan Kulsakdinun

    Plan your day with class schedules

    Display class rotations for the current day and any date. Show exam dates, vacation days, and user-added events on a calendar. Access lunch menus and athletics pages directly from the .

    ★ 4.965 ratingsProductivityFreeData updated 2026-09-06
  7. Time Calculator + − × ÷ app icon

    Time Calculator + − × ÷

    NR Mobile App Solutions

    Calculate and date differences

    Perform and date calculations by adding, subtracting, or converting hours and dates. Display results in different formats. Set reminders for specific times or dates. Share results via copy-paste or email.

    ★ 4.318 ratingsUtilitiesFreeData updated 2026-09-06
  8. Pace: Running Pace Calculator app icon

    Pace: Running Pace Calculator

    Skipjack Studios, LLC

    Calculate and track run times

    Calculate using intuitive sliders. Input distance and time to determine . View estimated finishing times for different run lengths. Track progress with visual feedback.

    ★ 4.7353 ratingsHealth & FitnessFreeData updated 2026-09-06
  9. Genius Sign: PDF doc signature app icon

    Genius Sign: PDF doc signature

    The Grizzly Labs

    Sign, date, and annotate documents

    Sign and annotate documents directly. Add text, dates, and signatures. Export signed files and share via email or cloud. Edit and save documents without printing.

    ★ 4.912,180 ratingsBusinessFreeData updated 2026-09-09
  10. AppBox: Useful 16 Apps in One app icon

    AppBox: Useful 16 Apps in One

    AllAboutApps

    Track battery, manage dates, convert currency

    Battery monitor tracks device charge level and health. Currency converter switches between 195 currencies and 3 precious metals with manual or automatic rate updates. Date calculator determines days between two dates.

    ★ 2.982 ratingsUtilitiesFreeData updated 2026-09-08
  11. Orifice Flow Rate Calculator app icon

    Orifice Flow Rate Calculator

    R.L. Laughlin & Company, Inc.

    Calculate rates offline

    Calculate rates using AGA 3 standard. Determine MCF per day for a single well. Input duration and other parameters. Perform rotary (direct) MCF calculations. No cell service required.

    ★ 4.9103 ratingsUtilitiesFreeData updated 2026-09-06
  12. C-17 Duty Day Calc app icon

    C-17 Duty Day Calc

    John Robbins

    Calculate days with time zone accuracy

    Calculate day restrictions using Zulu and local time zones. Enter Alert, Show, or Takeoff time to instantly determine Vol-3 limits. Add personal or squadron timelines to track custom events.

    ★ 4.213 ratingsUtilities$0.99Data updated 2026-09-09
  13. Health calculator: weight, BMI app icon

    Health calculator: weight, BMI

    Hoang Tue

    Calculate BMI, calories, and heart rate

    Calculate BMI, daily calorie needs, target heart rate zones, blood volume, water intake, ideal weight, pregnancy due date, ovulation period, and blood donation eligibility.

    ★ 4.647 ratingsHealth & FitnessFreeData updated 2026-09-06
  14. Compounder app icon

    Compounder

    James Bevins

    Calculate interest, track growth, plan goals

    Calculate compound interest to track savings, investments, or retirement growth. Input initial amount, monthly contributions, and annual rate. View projected balances over time. Adjust variables to explore different scenarios.

    ★ 4.83,758 ratingsFinanceFreeData updated 2026-09-06
  15. Loan calculator: Installment app icon

    Loan calculator: Installment

    Anh Nguyen Thi Ngoc

    Calculate monthly payments and terms

    Calculate equated monthly instalments (EMIs) based on amount, repayment period, and interest rate. Input details to determine monthly payments and repayment duration. Compare different scenarios to understand payment structures.

    ★ 4.5821 ratingsFinanceFreeData updated 2026-09-06

How we rank alternatives

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