Dev tools · alternatives · 2026

24 alternatives to Time and Duration Tools
Sub-100ms clean, client-side time & date calculators
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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Timekeeping companion, stay in sync with date & time
2023 · play.google.com · its alternatives →
- 3

Calculate time differences instantly between two dates times
Jul 2026 · freecalctools.net · its alternatives →
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Add and subtract dates and times, instantly.
2021 · dateful.com · its alternatives →
- 9
Time Calc▲93Calculator to perform elementary operations on units of time
2017 · 8mobile.org · its alternatives →
- 10

Quick time calculations for freelancers & teams
2025 · simpletimecalculator.com · its alternatives →
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Calculate dates, durations, and deadlines instantly
Jun 2026 · freewww.com · its alternatives →
- 13

Calculate any dates and times with incredible ease!
2020 · timedatecalc.com · its alternatives →
- 14

How much free time do you have remaining?
2018 · erikrood.com · its alternatives →
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Calculate date differences, or add and subtract time
Aug 2026 · timeanddatecalculator.com · its alternatives →
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Business days & time planning tools
2025 · projecttimetools.com · its alternatives →
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Add, subtract & find time between dates. Free
Aug 2026 · calculatorspan.com · its alternatives →
- 21

Free date calculators: days between dates, age & countdowns
Feb 2026 · datecalc.tools · its alternatives →
- 22

Calculate your daily hours and breaks with ease!
2020 · timedatecalc.com · its alternatives →
- 23

Track your work hours. No clutter. Just Numbers
Jul 2026 · calcworkhours.com · its alternatives →
- 24

Free online hour calculator to track work time easily
Apr 2026 · geteasetools.com · its alternatives →
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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 →