About Spark - Shift Calendar
Spark: Your Ultimate Shift Calendar App For over 15 years, Spark has been the go-to app for simplifying shift work. Loaded with powerful, user-friendly features, Spark helps you balance work and personal life in one...
Spark: Your Ultimate Shift Calendar App For over 15 years, Spark has been the go-to app for simplifying shift work. Loaded with powerful, user-friendly features, Spark helps you balance work and personal life in one place-trusted daily by fire, police, EMS, healthcare professionals, and shift workers worldwide. With Spark’s unique "Cloud Connect" system, you can sync and share your schedule across all devices, keeping you and your loved ones in the loop anytime, anywhere. Why Spark? Here’s why your colleagues love it: Full Customization Spark is designed for you. Track and log anything you need-vacation, sick time, comp time, overtime, trades, and more. Can’t find something? Add it with ease! Spark’s sleek, intuitive design lets you personalize everything to suit your work style. Secure & Reliable Your data is safe with us. Spark’s "Cloud Connect" syncs your encrypted calendar across devices, linked to your email. Lose or upgrade your phone? Just log back in, and it’s like you never left. Comprehensive Shift Coverage From pre-loaded schedules to custom department setups, Spark supports thousands of shift calendars. Don’t see yours? Easily create it, and it’s saved for you and your team. Streamlined Shift Trades & Swaps Manage and track all your trades and swaps down to the individual. Spark’s “Trade Board” lets you request and confirm trades within the app, automatically updating your calendar and stats-no extra steps. Instant Visual Cues Color-code shifts, events, and stats for at-a-glance planning. With Spark, you’ll know exactly what’s on the agenda without extra clicks. Unmatched Customer Support Our app thrives on user feedback. We’re committed to fast, helpful support, with most emails resolved in under two hours. Spark evolves with your input, making it the app you can rely on for years to come. Try Spark free for 30 days, and experience the app that’s helping shift workers around the world stay organized. Visit www.LeakyNozzle.com to learn more!
Version History Fixed issues and improved app performance. 4.3.2 Jun 17 Fixing some calendar issues on iOS 26. 4.3.1 10/20/2025 Support for iOS 26 4.3.0 10/15/2025 Fix for Set Hours field 4.2.5 11/12/2024 We've fixed the connection issues with Cloud Connect for some users. 4.2.4 11/08/2024 Fixed issue with setting hours on edited events. 4.2.3 10/19/2024 - Bug Fixes - Updated Color Picker - Updated Calendar Sync - Updated Menu 4.2.2 10/15/2024 We update Spark to improve your user experience. Thank you for choosing Spark! 4.2.1 09/26/2019 We update Spark to improve your user experience. Thank you for choosing Spark! What's new: • Spark now allows you to send trade request within the app to other Spark users. • When creating a shift calendar, now you can choose from a list of hundreds of pre-loaded departments. • Spark now offers you the ability to get a free years subscription by referring a friend or family member. • Added the option to enter Comp Time with an Overtime Event. • Added the option to enter a Trade back date when entering a Trade. • Quickly choose the most used events you use at the top of the event list. • iPhoneX screen update • Improving your Spark experience by updating the user interface. • General bug fixes, stability & performance improvements. 4.2.0 10/09/2018 We update Spark to improve your user experience. Thank you for choosing Spark! What's new: • Spark now allows you to send trade request within the app to other Spark users. • When creating a shift calendar, now you can choose from a list of hundreds of pre-loaded departments. • Spark now offers you the ability to get a free years subscription by referring a friend or family member. • Added the option to enter Comp Time with an Overtime Event. • Added the option to enter a Trade back date when entering a Trade. • Quickly choose the most used events you use at the top of the event list. • iPhoneX screen update • Improving your Spark experience by updating the user interface. • General bug fixes, stability & performance improvements. 4.1.1 06/16/2018 We update Spark to improve your user experience. Thank you for choosing Spark! What's new: • Spark now allows you to send trade request within the app to other Spark users. • When creating a shift calendar, now you can choose from a list of hundreds of pre-loaded departments. • Spark now offers you the ability to get a free years subscription by referring a friend or family member. • Added the option to enter Comp Time with an Overtime Event. • Added the option to enter a Trade back date when entering a Trade. • Quickly choose the most used events you use at the top of the event list. • iPhoneX screen update • Improving your Spark experience by updating the user interface. • General bug fixes, stability & performance improvements. 4.1 06/15/2018 • Introducing Spark! Spark is rolling out with a new Logo! • Spark introduces "Cloud Connect", a secure server where all your data is stored safe and sound. Never worry about losing your data again, simply log into your user account and all your data is right where you left it. • Added the option to turn off and on the calendars previous and future month display. • Bug Fixes 3.1 07/11/2017 * Introducing Spark! Spark is rolling out with a new Logo! * Spark introduces "Cloud Connect", a secure server where all your data is stored safe and sound. Never worry about losing your data again, simply log into your user account and all your data is right where you left it. * Sparks sleek new look and user interface makes it easy for you to customize your calendars look to how you want it. Now you have the option on how your date format displays as well as which day of the week the calendar starts. * Spark now offers pre-populated calendars for the user to choose from, no more struggling to enter you shift rotation, simply choose the shift calendar that works for you and enter your start date and your finished. Don't see your calendar, you can either create one and save it to the list or email support with your rotation and have it added! * Sparks "Cloud Connect" makes it easy for multiple devices to sync and keep all your data up to date. Simply log into each device with your user account information and all your data syncs automatically and stays up to date. 3.0 06/25/2017 Minor bug and crashes fixed Added more notification options to alerts Improved UI stablity 2.3.2 08/12/2016 * Calendar Transfer is back and you no longer need to keep the code up on your device while the other user enters it.. you can now generate a code and send it to the user and they can enter it at their convenience! * Improved app UI * Added options * Bug Fixes with imports 2.3.1 07/05/2016 * Calendar Transfer is back and you no longer need to keep the code up on your device while the other user enters it.. you can now generate a code and send it to the user and they can enter it at their convenience! * Improved app UI * Fixed minor bugs * Added options * Improved current date boarder 2.3.0 06/30/2016 1. Fixed issue with Full Color overlay is not continuing multiple days if the user adds an event that spans serval days. 2. If the user uses the slide bar and turns off an event under Event types, it will automatically turn off the stat is there is one turned on so that event is removed from the stats. 3. Option added to calendar sync to turn off and on "show shift days" if the calednar is shared 4. Now separate calendar will have their own separate data and events. 5. Changed "Contacts" to say Trade/Swap Partners 6. Fixed issue with text being hidden if calednar is in zoom mode. 7. Added in the days/hours options on stats for users that want to track their stats in days. 8. Added option for users to enable "use abbreviation" this will add an abbreviation or emoji field to event type, and show the abbreviation on the calendar instead of the event title if the setting is turned on. 2.1.0 04/27/2016 This update fixes all the issues of complaints from user reviews between March 28-March 31st 2016 and allows the user the option of the old app style and functions below is a list of what was added and resolved: * Users are now able to view calendar full screen. * Font is larger and users can have option to use a large or small font. * User is able to change background color of calendar screen from white to darker black. * User is able to change the background color of event day to override shift color. * Fixed issue with calendar data not transferring and data is restored. * Import data option and Technical Support Ticket system for bugs and issues. * User is able to have color options for event that has time earned or time used. * Many other bug fixes and system maintenance 2.0.1 04/01/2016 Backup your Calendars and Data to iCloud Sync your Shift Calendar to other 3 Party Calendar Users Sync other 3rd Party Calendars into your CrewCal Calendar Faster operating app! New Sleek App look and App Design! Quicker navigation thru App! Yearly subscription of only .99! Adjust to TimeZones and much more!! 2.0.0 03/29/2016 * Bug Fixes for iPhone and iPad * When Scrolling Events and Events Blur issue resolved. 1.7.3 07/16/2014 * New Phone and iPad Icon 1.7.2 02/05/2014 * Update for iOS 7 * Bug fixes 1.7.1 12/05/2013 * Fixed slow tapping issues and screen swipe issues * Bug Fixes * Fixed issue with March 31st missing in view year 1.7.0 05/01/2013 * Bug Fixes 1.6.8 12/19/2012 *Fixed issue with stats not saving *Fixed issue with daylight savings *Fixed issue with event hours not saving to stats ***Please remember that those that want to bash the app on the App store and have concerns I am unable to reply to you or help you work it out if you don't Email me! I cant reply to your comments on the App Store! I am always working to get bugs resolved if there are any and will make this app worth every penny! Don't get discouraged! I email EVERYONE back!*** 1.6.7 12/08/2012
Previous Versions
Here you can find the changelog of Spark - Shift Calendar since it was posted on our website on 2016-12-27 12:55:51.
The latest version is 4.3.2 and it was updated on 2026-07-02 09:12:35. See below the changes in each version.
Spark - Shift Calendar version 4.3.2
Updated At: 2026-06-29
Changes: Version History Fixed issues and improved app performance. 4.3.2 Jun 17 Fixing some calendar issues on iOS 26. 4.3.1 10/20/2025 Support for iOS 26 4.3.0 10/15/2025 Fix for Set Hours field 4.2.5 11/12/2024 We've fixed the connection issues with Cloud Connect for some users. 4.2.4 11/08/2024 Fixed issue with setting hours on edited events. 4.2.3 10/19/2024 - Bug Fixes
- Updated Color Picker
- Updated Calendar Sync
- Updated Menu 4.2.2 10/15/2024 We update Spark to improve your user experience. Thank you for choosing Spark! 4.2.1 09/26/2019 We update Spark to improve your user experience. Thank you for choosing Spark!
What's new:
• Spark now allows you to send trade request within the app to other Spark users.
• When creating a shift calendar, now you can choose from a list of hundreds of pre-loaded departments.
• Spark now offers you the ability to get a free years subscription by referring a friend or family member.
• Added the option to enter Comp Time with an Overtime Event.
• Added the option to enter a Trade back date when entering a Trade.
• Quickly choose the most used events you use at the top of the event list.
• iPhoneX screen update
• Improving your Spark experience by updating the user interface.
• General bug fixes, stability & performance improvements. 4.2.0 10/09/2018 We update Spark to improve your user experience. Thank you for choosing Spark!
What's new:
• Spark now allows you to send trade request within the app to other Spark users.
• When creating a shift calendar, now you can choose from a list of hundreds of pre-loaded departments.
• Spark now offers you the ability to get a free years subscription by referring a friend or family member.
• Added the option to enter Comp Time with an Overtime Event.
• Added the option to enter a Trade back date when entering a Trade.
• Quickly choose the most used events you use at the top of the event list.
• iPhoneX screen update
• Improving your Spark experience by updating the user interface.
• General bug fixes, stability & performance improvements. 4.1.1 06/16/2018 We update Spark to improve your user experience. Thank you for choosing Spark!
What's new:
• Spark now allows you to send trade request within the app to other Spark users.
• When creating a shift calendar, now you can choose from a list of hundreds of pre-loaded departments.
• Spark now offers you the ability to get a free years subscription by referring a friend or family member.
• Added the option to enter Comp Time with an Overtime Event.
• Added the option to enter a Trade back date when entering a Trade.
• Quickly choose the most used events you use at the top of the event list.
• iPhoneX screen update
• Improving your Spark experience by updating the user interface.
• General bug fixes, stability & performance improvements. 4.1 06/15/2018 • Introducing Spark! Spark is rolling out with a new Logo!
• Spark introduces "Cloud Connect", a secure server where all your data is stored safe and sound. Never worry about losing your data again, simply log into your user account and all your data is right where you left it.
• Added the option to turn off and on the calendars previous and future month display.
• Bug Fixes 3.1 07/11/2017 * Introducing Spark! Spark is rolling out with a new Logo!
* Spark introduces "Cloud Connect", a secure server where all your data is stored safe and sound. Never worry about losing your data again, simply log into your user account and all your data is right where you left it.
* Sparks sleek new look and user interface makes it easy for you to customize your calendars look to how you want it. Now you have the option on how your date format displays as well as which day of the week the calendar starts.
* Spark now offers pre-populated calendars for the user to choose from, no more struggling to enter you shift rotation, simply choose the shift calendar that works for you and enter your start date and your finished. Don't see your calendar, you can either create one and save it to the list or email support with your rotation and have it added!
* Sparks "Cloud Connect" makes it easy for multiple devices to sync and keep all your data up to date. Simply log into each device with your user account information and all your data syncs automatically and stays up to date. 3.0 06/25/2017 Minor bug and crashes fixed
Added more notification options to alerts
Improved UI stablity 2.3.2 08/12/2016 * Calendar Transfer is back and you no longer need to keep the code up on your device while the other user enters it.. you can now generate a code and send it to the user and they can enter it at their convenience!
* Improved app UI
* Added options
* Bug Fixes with imports 2.3.1 07/05/2016 * Calendar Transfer is back and you no longer need to keep the code up on your device while the other user enters it.. you can now generate a code and send it to the user and they can enter it at their convenience!
* Improved app UI
* Fixed minor bugs
* Added options
* Improved current date boarder 2.3.0 06/30/2016 1. Fixed issue with Full Color overlay is not continuing multiple days if the user adds an event that spans serval days.
2. If the user uses the slide bar and turns off an event under Event types, it will automatically turn off the stat is there is one turned on so that event is removed from the stats.
3. Option added to calendar sync to turn off and on "show shift days" if the calednar is shared
4. Now separate calendar will have their own separate data and events.
5. Changed "Contacts" to say Trade/Swap Partners
6. Fixed issue with text being hidden if calednar is in zoom mode.
7. Added in the days/hours options on stats for users that want to track their stats in days.
8. Added option for users to enable "use abbreviation" this will add an abbreviation or emoji field to event type, and show the abbreviation on the calendar instead of the event title if the setting is turned on. 2.1.0 04/27/2016 This update fixes all the issues of complaints from user reviews between March 28-March 31st 2016 and allows the user the option of the old app style and functions below is a list of what was added and resolved:
* Users are now able to view calendar full screen.
* Font is larger and users can have option to use a large or small font.
* User is able to change background color of calendar screen from white to darker black.
* User is able to change the background color of event day to override shift color.
* Fixed issue with calendar data not transferring and data is restored.
* Import data option and Technical Support Ticket system for bugs and issues.
* User is able to have color options for event that has time earned or time used.
* Many other bug fixes and system maintenance 2.0.1 04/01/2016 Backup your Calendars and Data to iCloud
Sync your Shift Calendar to other 3 Party Calendar Users
Sync other 3rd Party Calendars into your CrewCal Calendar
Faster operating app!
New Sleek App look and App Design!
Quicker navigation thru App!
Yearly subscription of only .99!
Adjust to TimeZones and much more!! 2.0.0 03/29/2016 * Bug Fixes for iPhone and iPad
* When Scrolling Events and Events Blur issue resolved. 1.7.3 07/16/2014 * New Phone and iPad Icon 1.7.2 02/05/2014 * Update for iOS 7
* Bug fixes 1.7.1 12/05/2013 * Fixed slow tapping issues and screen swipe issues
* Bug Fixes
* Fixed issue with March 31st missing in view year 1.7.0 05/01/2013 * Bug Fixes 1.6.8 12/19/2012 *Fixed issue with stats not saving
*Fixed issue with daylight savings
*Fixed issue with event hours not saving to stats
***Please remember that those that want to bash the app on the App store and have concerns I am unable to reply to you or help you work it out if you don't Email me! I cant reply to your comments on the App Store! I am always working to get bugs resolved if there are any and will make this app worth every penny! Don't get discouraged! I email EVERYONE back!*** 1.6.7 12/08/2012
Spark - Shift Calendar version 4.3.1
Updated At: 2026-05-29
Changes: Version History Fixing some calendar issues on iOS 26. 4.3.1 10/20/2025 Support for iOS 26 4.3.0 10/15/2025 Fix for Set Hours field 4.2.5 11/12/2024 We've fixed the connection issues with Cloud Connect for some users. 4.2.4 11/08/2024 Fixed issue with setting hours on edited events. 4.2.3 10/19/2024 - Bug Fixes
- Updated Color Picker
- Updated Calendar Sync
- Updated Menu 4.2.2 10/15/2024 We update Spark to improve your user experience. Thank you for choosing Spark! 4.2.1 09/26/2019 We update Spark to improve your user experience. Thank you for choosing Spark!
What's new:
• Spark now allows you to send trade request within the app to other Spark users.
• When creating a shift calendar, now you can choose from a list of hundreds of pre-loaded departments.
• Spark now offers you the ability to get a free years subscription by referring a friend or family member.
• Added the option to enter Comp Time with an Overtime Event.
• Added the option to enter a Trade back date when entering a Trade.
• Quickly choose the most used events you use at the top of the event list.
• iPhoneX screen update
• Improving your Spark experience by updating the user interface.
• General bug fixes, stability & performance improvements. 4.2.0 10/09/2018 We update Spark to improve your user experience. Thank you for choosing Spark!
What's new:
• Spark now allows you to send trade request within the app to other Spark users.
• When creating a shift calendar, now you can choose from a list of hundreds of pre-loaded departments.
• Spark now offers you the ability to get a free years subscription by referring a friend or family member.
• Added the option to enter Comp Time with an Overtime Event.
• Added the option to enter a Trade back date when entering a Trade.
• Quickly choose the most used events you use at the top of the event list.
• iPhoneX screen update
• Improving your Spark experience by updating the user interface.
• General bug fixes, stability & performance improvements. 4.1.1 06/16/2018 We update Spark to improve your user experience. Thank you for choosing Spark!
What's new:
• Spark now allows you to send trade request within the app to other Spark users.
• When creating a shift calendar, now you can choose from a list of hundreds of pre-loaded departments.
• Spark now offers you the ability to get a free years subscription by referring a friend or family member.
• Added the option to enter Comp Time with an Overtime Event.
• Added the option to enter a Trade back date when entering a Trade.
• Quickly choose the most used events you use at the top of the event list.
• iPhoneX screen update
• Improving your Spark experience by updating the user interface.
• General bug fixes, stability & performance improvements. 4.1 06/15/2018 • Introducing Spark! Spark is rolling out with a new Logo!
• Spark introduces "Cloud Connect", a secure server where all your data is stored safe and sound. Never worry about losing your data again, simply log into your user account and all your data is right where you left it.
• Added the option to turn off and on the calendars previous and future month display.
• Bug Fixes 3.1 07/11/2017 * Introducing Spark! Spark is rolling out with a new Logo!
* Spark introduces "Cloud Connect", a secure server where all your data is stored safe and sound. Never worry about losing your data again, simply log into your user account and all your data is right where you left it.
* Sparks sleek new look and user interface makes it easy for you to customize your calendars look to how you want it. Now you have the option on how your date format displays as well as which day of the week the calendar starts.
* Spark now offers pre-populated calendars for the user to choose from, no more struggling to enter you shift rotation, simply choose the shift calendar that works for you and enter your start date and your finished. Don't see your calendar, you can either create one and save it to the list or email support with your rotation and have it added!
* Sparks "Cloud Connect" makes it easy for multiple devices to sync and keep all your data up to date. Simply log into each device with your user account information and all your data syncs automatically and stays up to date. 3.0 06/25/2017 Minor bug and crashes fixed
Added more notification options to alerts
Improved UI stablity 2.3.2 08/12/2016 * Calendar Transfer is back and you no longer need to keep the code up on your device while the other user enters it.. you can now generate a code and send it to the user and they can enter it at their convenience!
* Improved app UI
* Added options
* Bug Fixes with imports 2.3.1 07/05/2016 * Calendar Transfer is back and you no longer need to keep the code up on your device while the other user enters it.. you can now generate a code and send it to the user and they can enter it at their convenience!
* Improved app UI
* Fixed minor bugs
* Added options
* Improved current date boarder 2.3.0 06/30/2016 1. Fixed issue with Full Color overlay is not continuing multiple days if the user adds an event that spans serval days.
2. If the user uses the slide bar and turns off an event under Event types, it will automatically turn off the stat is there is one turned on so that event is removed from the stats.
3. Option added to calendar sync to turn off and on "show shift days" if the calednar is shared
4. Now separate calendar will have their own separate data and events.
5. Changed "Contacts" to say Trade/Swap Partners
6. Fixed issue with text being hidden if calednar is in zoom mode.
7. Added in the days/hours options on stats for users that want to track their stats in days.
8. Added option for users to enable "use abbreviation" this will add an abbreviation or emoji field to event type, and show the abbreviation on the calendar instead of the event title if the setting is turned on. 2.1.0 04/27/2016 This update fixes all the issues of complaints from user reviews between March 28-March 31st 2016 and allows the user the option of the old app style and functions below is a list of what was added and resolved:
* Users are now able to view calendar full screen.
* Font is larger and users can have option to use a large or small font.
* User is able to change background color of calendar screen from white to darker black.
* User is able to change the background color of event day to override shift color.
* Fixed issue with calendar data not transferring and data is restored.
* Import data option and Technical Support Ticket system for bugs and issues.
* User is able to have color options for event that has time earned or time used.
* Many other bug fixes and system maintenance 2.0.1 04/01/2016 Backup your Calendars and Data to iCloud
Sync your Shift Calendar to other 3 Party Calendar Users
Sync other 3rd Party Calendars into your CrewCal Calendar
Faster operating app!
New Sleek App look and App Design!
Quicker navigation thru App!
Yearly subscription of only .99!
Adjust to TimeZones and much more!! 2.0.0 03/29/2016 * Bug Fixes for iPhone and iPad
* When Scrolling Events and Events Blur issue resolved. 1.7.3 07/16/2014 * New Phone and iPad Icon 1.7.2 02/05/2014 * Update for iOS 7
* Bug fixes 1.7.1 12/05/2013 * Fixed slow tapping issues and screen swipe issues
* Bug Fixes
* Fixed issue with March 31st missing in view year 1.7.0 05/01/2013 * Bug Fixes 1.6.8 12/19/2012 *Fixed issue with stats not saving
*Fixed issue with daylight savings
*Fixed issue with event hours not saving to stats
***Please remember that those that want to bash the app on the App store and have concerns I am unable to reply to you or help you work it out if you don't Email me! I cant reply to your comments on the App Store! I am always working to get bugs resolved if there are any and will make this app worth every penny! Don't get discouraged! I email EVERYONE back!*** 1.6.7 12/08/2012 *Fixed Bugs
*Fixed issue with Daylight Savings
*Fixed Transfer Calendar issue with times 1.6.5 11/16/2012
Spark - Shift Calendar version 4.3.1
Updated At: 2025-10-20
Changes: Fixing some calendar issues on iOS 26.
Spark - Shift Calendar version 4.2.5
Updated At: 2024-11-12
Changes: Nov 12, 2024
Version 4.2.5
Fix for Set Hours field
Spark - Shift Calendar version 4.2.2
Updated At: 2024-10-15
Changes: Oct 15, 2024
Version 4.2.2
- Bug Fixes
- Updated Color Picker
- Updated Calendar Sync
- Updated Menu
Spark - Shift Calendar version 4.2.1
Updated At: 2019-09-26
Changes: Sep 26, 2019 Version 4.2.1
We update Spark to improve your user experience. Thank you for choosing Spark!
Spark - Shift Calendar version 4.2.1
Updated At: 2019-09-26
Changes: 26 Sep 2019 Version 4.2.1
We update Spark to improve your user experience. Thank you for choosing Spark!
Spark - Shift Calendar version 2.3.2
Updated At: 2010-09-13
Spark - Shift Calendar version 4.2.1
Updated At: 1970-01-01
Changes: 26 de sep. de 2019 Version 4.2.1
We update Spark to improve your user experience. Thank you for choosing Spark!
Spark - Shift Calendar version 4.2.1
Updated At: 1970-01-01
Changes: 2019年9月26日 Version 4.2.1
We update Spark to improve your user experience. Thank you for choosing Spark!
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