Work · alternatives · 2026

24 alternatives to When-Done

Instantly calculate end times and dates from any duration

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Date Calculator▲77

   Timekeeping companion, stay in sync with date & time

   2023 · play.google.com · its alternatives →

2. 2
   SaveMyTime 3.0▲106

   Get rid of wasted time to make space for New Year’s Goals

   2019 · its alternatives →

3. 3
   How Much Time?▲65

   Keep track of time since/until something to remember

   2019 · play.google.com · its alternatives →

4. 4
   2020 Resolution Calculator▲93

   Find out how long your resolutions will last!

   2020 · 2020.itstheonlychris.com · its alternatives →

5. 5
   How many days until?▲156

   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 →

6. 6
   Movie Time Calculator ▲7

   Check when your movie ends or when it’s popcorn o’clock! 🍿

   Oct 2025 · showflik.com · its alternatives →

7. 7
   Time Calc▲93

   Calculator to perform elementary operations on units of time

   2017 · 8mobile.org · its alternatives →

8. 8
   TwoDays▲68

   Give a purpose to your daily tasks. 🎯

   2018 · doremember.xyz · its alternatives →

9. 9
   Summarize your time availability in seconds▲109

   Simple tool to share your availability as plain text. Select time slots, convert timezones, copy and send. No calendar links needed.

   2020 · whattime.today · its alternatives →

10. 10
    Age Calculator▲65

    Secrets of time: know your age instantly

    2023 · play.google.com · its alternatives →

11. 11
    Date Calculator Pro▲3

    Calculate dates, durations, and deadlines instantly

    Jun 2026 · freewww.com · its alternatives →

12. 12
    Simple Time Calculator▲7

    Quick time calculations for freelancers & teams

    2025 · simpletimecalculator.com · its alternatives →

13. 13
    B4the.date▲65

    Track expiries, consume or give away before the date

    2022 · its alternatives →

14. 14
    Food Tracker▲24

    Keep track of what food you have and when things expire.

    2020 · coda.io · its alternatives →

15. 15
    Period-Calculator.com▲63

    Privacy-first period calendar with smart predictions 📅

    2020 · period-calculator.com · its alternatives →

16. 16
    Time Ago Calculator▲12

    Calculate the exact past time

    2024 · aaaenos.com · its alternatives →

17. 17
    Expiry Date Calculator▲7

    Check expiry dates in seconds – simple and fast

    2025 · its alternatives →

18. 18
    Time Calculator by Dateful▲4

    Add and subtract dates and times, instantly.

    2021 · dateful.com · its alternatives →

19. 19
    Weeks From Today Calculator▲6

    Calculate future dates up to 100 weeks

    2025 · weeks-from-today.com · its alternatives →

20. 20
    Swiftime▲14

    Time tracking you and your AI can talk to

    Sep 2026 · swiftime.ai · its alternatives →

21. 21
    Advanced Time Calculator (with widgets)▲9

    Calculate time passed or countdown to future events

    Nov 2025 · nonconfirmed.com · its alternatives →

22. 22
    Archon: Track & Stay Focused▲7

    Track Your time, build your flow

    Jul 2026 · apps.apple.com · its alternatives →

23. 23
    timecalculator.in▲11

    Time calculator

    2025 · timecalculator.in · its alternatives →

24. 24
    Time Card Calculator▲12

    Easily calculate your work hours, breaks, and weekly totals

    2025 · a-xoso66.com · its alternatives →

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 →