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 2026-09-15

Day Calculation screenshots

Ranked alternatives

Showing 321–340 of 1,000 ranked alternatives.

  1. BA II Plus - Professional app icon

    BA II Plus - Professional

    Anishu, Inc.

    Calculate, store, and analyze financial data

    Perform financial calculations with TVM, amortization, and cash flow functions. Access bond, depreciation, and statistics tools. Calculate percent change, compound interest, and date differences. View profit margin and breakeven worksheets.

    ★ 1.011 ratingsFinanceFreeData updated 2026-09-06
  2. CardNGN – Gift Card Value app icon

    CardNGN – Gift Card Value

    PROSPECT CULTURE GROUP CO., LIMITED

    Check values instantly

    Check values and calculate their worth instantly. View real-time price references for popular cards. Use a secure tool with accurate data. Manage balances and track expiration dates.

    ★ 4.739 ratingsUtilitiesFreeData updated 2026-09-06
  1. LSTclock: sidereal time clock app icon

    LSTclock: sidereal time clock

    Tsuyoshi Sawada

    Track LST and sync locations

    Display local for selected locations. Calculate LST and Julian Date for any date and . Sync location lists between iPhone and paired Apple Watch devices.

    ★ 3.79 ratingsUtilitiesFreeData updated 2026-09-06
  2. Calculator Ultra for iPhone app icon

    Calculator Ultra for iPhone

    Junhyung Yu

    Calculate, track, and save results

    Perform arithmetic, calculate loans, mortgages, GPA, dates, units, and BMI. Track calculation history for easy reference. Use a clean, intuitive interface for efficient computation.

    ★ 4.769 ratingsUtilitiesFreeData updated 2026-09-06
  3. Prodify app icon

    Prodify

    Hongyun Yang

    Track tasks, notes, and time segments

    Track daily tasks with set dates and time intervals. Add detailed notes within each task. Update task status by editing details or marking as complete. Organize workflow to reduce procrastination and improve productivity.

    ★ 5.012 ratingsProductivityFreeData updated 2026-09-06
  4. 30 Day Plank Challenge app icon

    30 Day Plank Challenge

    Charles Vanderhoff

    Build core strength with daily planks

    Track progress through the 30-day with pre-programmed exercises. Adjust difficulty across six levels. Set reminders and monitor completion status. Sync workout data with fitness apps.

    ★ 4.147 ratingsHealth & FitnessFreeData updated 2026-09-10
  5. Tip Right! - Tip Calculator app icon

    Tip Right! - Tip Calculator

    Audrey Prins

    Calculate tips and split bills

    Calculate tips based on total amount and percentage. Split tips and bills among group members. Customize tip percentages and view total amounts per person. Share results via text or social media.

    ★ 5.07 ratingsUtilitiesFreeData updated 2026-09-06
  6. CalcRx app icon

    CalcRx

    Dabbling Badger LLC

    Calculate prescriptions and track days supply

    Calculate prescription dispense quantities and billable days supply with specialized tools for tablets, capsules, liquids, and more. Input prescription directions to automatically determine dosing schedules and tapering regimens.

    ★ 4.715 ratingsMedicalFreeData updated 2026-09-10
  7. Date Calculator app icon

    Date Calculator

    John Nairn

    Calculate dates across multiple calendar systems

    Calculate dates across Gregorian, Julian, Hebrew, and French Republic calendars. Convert dates to find the day of the week. Determine time spans between two dates. Add or subtract time from a . Perform various and time conversions.

    ★ 0.00 ratingsUtilities$9.99Data updated 2026-09-08
  8. Hydraulic Calculator Engineer app icon

    Hydraulic Calculator Engineer

    Arsosa Network Inc.

    Calculate cylinder force and pressure automatically

    Allows users to input values for cylinder calculations, power, pressure difference, piston diameter, speed, lifting time, and volume flow. The automatically computes results without requiring manual formulas.

    ★ 4.37 ratingsUtilitiesFreeData updated 2026-09-06
  9. Easy - Simple Notepad app icon

    Easy - Simple Notepad

    Ahmet Taha Arslan

    Store notes, filter by date or color,

    Create and save notes instantly. Choose between day and night mode. Group notes by date or color. Assign custom colors and design styles. Filter notes for access.

    ★ 5.011 ratingsUtilitiesFreeData updated 2026-09-06
  10. Countdown widget - Fancy styles countdown timer app icon

    Countdown widget - Fancy styles countdown timer

    Tien Long Nguyen

    Plan events, set reminders, track progress

    Track and count down to upcoming life events like work start dates, weddings, birthdays, and holidays. Set reminders for specific dates. View progress over days and weeks. Sync with calendar for event updates.

    ★ 4.373 ratingsLifestyleFreeData updated 2026-09-11
  11. 我的物品 app icon

    我的物品

    Motion Network Technology Co., Ltd.

    Record item details and track inventory

    Track item details including name, brand, quantity, production date, shelf life, warranty period, storage location, and notes. Add photos and set opening dates. View a date progress bar showing usage duration and expiration countdown.

    ★ 4.548 ratingsLifestyleFreeData updated 2026-09-15
  12. Calculation Pad app icon

    Calculation Pad

    Yukio Tajima

    Calculate, add tax, save history

    Calculate mathematical expressions with basic and advanced functions. Store history for reference. Add taxes to totals. Use biometric authentication like fingerprint or face to secure data. Retrieve previous results for new calculations.

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
  13. HK Salaries Tax Calculator app icon

    HK Salaries Tax Calculator

    Conpak CPA Limited

    Calculate taxes and file returns

    Calculate Tax, Property Tax, and Profits Tax for individuals and companies. Select tax years from 2024/25 to 2019/20. Identify optimal savings options for tax returns. Submit tax assessments digitally.

    ★ 4.510 ratingsFinanceFreeData updated 2026-09-11
  14. shift calendar pro app icon

    shift calendar pro

    Alex Gugel

    Edit shifts, mark holidays, view

    Creates a displaying work shifts for each day of the year. Enter sequences and start dates to generate the schedule. Edit individual days to adjust shifts or mark as holidays. Includes public holidays and school vacations for over 30 countries.

    ★ 4.220 ratingsUtilities$1.99Data updated 2026-09-15

How we rank alternatives

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