About ChronoCalc
ChronoCalc is designed to streamline all your time calculation needs. - If I start work at 8:40, and end at 4:25, how much time has passed? - What time will it be in 5 and a half hours? What time was it 5 and a half hours...
ChronoCalc is designed to streamline all your time calculation needs. - If I start work at 8:40, and end at 4:25, how much time has passed? - What time will it be in 5 and a half hours? What time was it 5 and a half hours ago? - If I watch 8 episodes lasting 43 minutes each, how much total time is that? - How many hours are 143 minutes? Features: - Addition, Subtraction, Multiplication, and Division - Subtract From operator lets you enter start times before end times - perfect for long lists of calculations - Millisecond precision - AM, PM, and Military/24h time - Intervals can be entered as H:M:S:MS or as decimals - Activity Timer makes it easy to get the elapsed time between the start and end of an activity - Easily convert between hours, minutes, seconds, and milliseconds - 6 different color schemes to choose from
Version History Fixed bug that caused app to crash in iOS 9 Minor graphics improvements 1.2 10/12/2015 1.0 10/15/2014
Previous Versions
Here you can find the changelog of ChronoCalc since it was posted on our website on 2026-08-17 04:29:49.
The latest version is 1.2 and it was updated on 2026-10-15 17:40:06. See below the changes in each version.
ChronoCalc version 1.2
Updated At: 2026-10-15
Changes: Version History Fixed bug that caused app to crash in iOS 9
Minor graphics improvements 1.2 10/12/2015 1.0 10/15/2014
ChronoCalc version 1.2
Updated At: 2026-09-03
Changes: Version History This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included.
Fixed bug that caused app to crash in iOS 9
Minor graphics improvements 1.2 10/12/2015 1.0 10/15/2014
ChronoCalc version 1.2
Updated At: 2026-08-17
Changes: Version History This update from Apple will improve the functionality of this app. No new features are included.
Fixed bug that caused app to crash in iOS 9
Minor graphics improvements 1.2 10/12/2015 1.0 10/15/2014
Disclaimer
Official App Store Link
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