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Life & fun · alternatives · 2026

24 alternatives to WTDI

Calculate the date by adding days or the range between two

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. WTDI launched in 2022; newer entries below may have overtaken it.

  1. 1

    Calculate time between two dates

    2024 · aaaenos.com · its alternatives →

  2. 2

    Calculate any dates and times with incredible ease!

    2020 · timedatecalc.com · its alternatives →

  3. 3

    Calculate dates, durations, and deadlines instantly

    Jun 2026 · freewww.com · its alternatives →

  4. 4

    Timekeeping companion, stay in sync with date & time

    2023 · play.google.com · its alternatives →

  5. 5

    Date calulator and time counter

    2016 · apps.apple.com · its alternatives →

  6. 6

    time, minute, hour, month, year, add, subtract, calculator

    2018 · apps.apple.com · its alternatives →

  7. 7

    Time Range Calculator

    2022 · its alternatives →

  8. 8

    Calculate date differences, or add and subtract time

    Aug 2026 · timeanddatecalculator.com · its alternatives →

  9. 9

    Add and subtract dates and times, instantly.

    2021 · dateful.com · its alternatives →

  10. 10

    Time Between Dates Calculator

    2024 · its alternatives →

  11. 11

    Calculate time differences instantly between two dates times

    Jul 2026 · freecalctools.net · its alternatives →

  12. 12

    Day to Day Count

    May 2026 · daytodaycount.com · its alternatives →

  13. 13

    Count down the days to holidays, seasons, movies, sports events and more. Live countdown timers and clocks for every event — personalise with effects, backgrounds and sharing.

    2016 · days.to · its alternatives →

  14. 14

    Calculate the number of days, weeks between two dates.

    May 2026 · geteasetools.com · its alternatives →

  15. 15
    Days▲94

    A beautiful countdown app to the events that matter to you.

    2016 · daysapp.co · its alternatives →

  16. 16
    TimeGPT▲101

    Streamline your time and boost productivity with TimeGPT

    2023 · timegpt.vercel.app · its alternatives →

  17. 17

    Calculator to perform elementary operations on units of time

    2017 · 8mobile.org · its alternatives →

  18. 18

    Calculate days, months & years between dates instantly

    Feb 2026 · shripada.com · its alternatives →

  19. 19

    Find days, weeks, months, and years between any dates

    Jul 2026 · freecalctools.net · its alternatives →

  20. 20

    Smarter date calculations — from age to anniversaries!

    2025 · play.google.com · its alternatives →

  21. 21

    Calculate the duration of a script, instantly.

    2019 · script2time.com · its alternatives →

  22. 22

    Counting time is what counts

    2018 · apps.apple.com · its alternatives →

  23. 23

    How many days between dates? Free date & time calculators.

    Aug 2026 · howmanydays.app · its alternatives →

  24. 24

    Time calculator

    2025 · timecalculator.in · its alternatives →

Also compare

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →