HourHack app icon

Apps Like HourHack for iPhone and iPad

Calculate time between two dates

Calculate time differences between two times or dates. Display results in hours, minutes, or days. Input dates or times directly for instant calculations. Simplify time tracking and event planning with precise duration measurements.

by Rosenbergs LLC★ 5.010 ratingsUtilitiesFreeData updated 2026-09-06

HourHack screenshots

Ranked alternatives

Showing 41–60 of 1,000 ranked alternatives.

  1. Feet & Inches Tape Calculator app icon

    Feet & Inches Tape Calculator

    Tue Nguyen Minh

    Calculate and with a measure display

    Convert measurements between , , and centimeters. Input fractions or decimals for precise calculations. View results on a visual measure display. Perform addition, subtraction, multiplication, and division with measurement values.

    ★ 4.49,262 ratingsUtilitiesFreeData updated 2026-09-15
  2. Julian - Quick Dates app icon

    Julian - Quick Dates

    Juan Carlos Perez

    Convert between 11 formats

    Displays 11 date formats including CCSDS Date, Dublin Date, and Unix Time. It features a calendar to view daily . Tapping a date copies it to the clipboard for use in other apps.

    ★ 4.84,650 ratingsUtilitiesFreeData updated 2026-09-10
  3. Retirement Countdown App app icon

    Retirement Countdown App

    Green Gecko LLC

    Count down to date

    Track time remaining until by setting a specific date and time. View in months, days, hours, minutes, and seconds. Customize themes and background images. Set reminders for plans and goals.

    ★ 4.86,297 ratingsUtilitiesFreeData updated 2026-09-12
  1. Time Clock Helper app icon

    Time Clock Helper

    Ducky Planet LLC

    Track and calculate work hours

    Track work hours using a card interface. Input times via scroll wheel or manual entry. Adjust fields with keyboard or swipe navigation. Save and review entries for daily work calculations.

    ★ 4.5232 ratingsProductivity$0.99Data updated 2026-09-08
  2. 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
  3. 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.

    ★ 4.91,180 ratingsUtilities$4.99Data updated 2026-10-05
  4. Countdown - Time since app icon

    Countdown - Time since

    oWorld Software

    Track event dates and calculate left

    Track until upcoming events by setting custom dates and names. Display in months, weeks, and days. Store multiple event reminders and view remaining at a glance.

    ★ 4.449 ratingsUtilitiesFreeData updated 2026-09-08
  5. Discount Calculator ∙ Sale Amt app icon

    Discount Calculator ∙ Sale Amt

    Tardent Apps Inc.

    Find discounts, calculate tax, swap values

    Calculate discounts as percentages or dollar amounts with easy switching. Add multiple discounts and compute sales tax. View results in a clean interface with customizable themes.

    ★ 4.72,988 ratingsFinanceFreeData updated 2026-09-11
  6. HVACR Check & Charge app icon

    HVACR Check & Charge

    Copeland LP

    Calculate refrigerant charges instantly

    Calculate refrigerant charges for systems using built-in formulas. Input system parameters to determine correct levels for R-22, R-410A, R-32, and other refrigerants. Save and export calculation results for record-keeping.

    ★ 4.817,232 ratingsReferenceFreeData updated 2026-09-08
  7. Countdowns - Event Countdown app icon

    Countdowns - Event Countdown

    Shayes Apps LLC

    Count down to events and dates

    Track time until or since a specific . Set for future or past dates. View remaining time in days, hours, minutes, and seconds. Edit or reset manually. Share with others via links.

    ★ 4.79,330 ratingsProductivityFreeData updated 2026-09-09
  8. Days calc - dates calculator app icon

    Days calc - dates calculator

    Evgeny Turchaninov

    Calculate , add , find differences

    Calculate by adding to a selected date or finding the difference between two in , weeks, or years-months-. Track remaining or passed since a specific date. Save and display the last calculated date upon launch.

    ★ 4.84 ratingsUtilities$0.99Data updated 2026-09-11
  9. 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
  10. Calcbot 2 app icon

    Calcbot 2

    Tapbots

    Review calculations and send them back

    Lets users perform calculations and convert units with an easy-to-read history tape and expression view. Save and reuse previous calculations. Convert between units intuitively. Sync with Apple Watch for on-the-go use.

    ★ 4.711,113 ratingsUtilitiesFreeData updated 2026-09-08
  11. Countdown Timer & Day Counter app icon

    Countdown Timer & Day Counter

    ramazan celikkaya

    Create countdowns and track time to events

    Track time until upcoming events with customizable countdowns and timers. Set reminders to receive notifications. View elapsed time since past dates. Edit and manage multiple countdowns without limits.

    ★ 4.854 ratingsUtilitiesFreeData updated 2026-09-25
  12. OneCalc: All-in-one Calculator app icon

    OneCalc: All-in-one Calculator

    tasser gyati

    Calculate, convert, and solve equations

    Offers standard and advanced math functions including percent, negative sign, memory, brackets, and history. It includes trigonometry, roots, exponents, and logarithms.

    ★ 4.65,075 ratingsProductivityFreeData updated 2026-09-14
  13. 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
  14. STINU Position Size Calculator app icon

    STINU Position Size Calculator

    Black Tower Investments Ltd.

    Positions with live market data

    Calculate trade positions for Forex, Commodities, and Crypto using real-time market data. Input risk parameters to determine precise sizes. Export calculations and track trade history for accurate strategy execution.

    ★ 4.6835 ratingsFinanceFreeData updated 2026-09-15
  15. 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.

    ★ 4.7808 ratingsUtilitiesFreeData updated 2026-09-13
  16. Age Calculator: Exact Age DOB app icon

    Age Calculator: Exact Age DOB

    Ivan Zdrilich

    Calculate age in years, months, days

    Calculate age in years, months, days, hours, and minutes. Track life milestones like total heartbeats and breaths. View a real-time birthday countdown timer.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  17. PepCalc: Peptide Calculator app icon

    PepCalc: Peptide Calculator

    Awesome Labs LLC

    Calculate reconstitution amounts

    Calculate reconstitution volumes by selecting units, tick marks, and quantities. Input sterile or bacteriostatic water volume and desired amount. Choose instrument type for accurate results. Adjust settings for precise calculations.

    ★ 4.8950 ratingsHealth & Fitness$9.99Data updated 2026-10-09

How we rank alternatives

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