Comparison

ShiftLife Organizer vs Spark

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ShiftLife Organizer

This app is a specialized calendar designed for shift workers. It helps organize shifts, track hours, calculate pay, and manage various work-related events. Users can plan future schedules, record past work details, and sync with multiple calendar services.

Highlights
  • Organize shifts and work events
  • Record and calculate hours and pay
  • Sync with multiple calendar services
  • Fast shift entry and flexible work patterns
  • Bluetooth sync with colleagues
  • Customizable event types and views
Features
Read full description

--TRY SHIFTLIFE TODAY FOR FREE-- ShiftLife Organizer is the calendar application designed specifically for shift workers. - Organize your Shifts. - Record your Hours. - Calculate your Pay. ShiftLife provides a clear and easy display of upcoming shifts, training days, holiday, on-call days and other important events. As well as allowing you to plan your future work & play, ShiftLife also allows you to easily maintain a record of your completed shifts, overtime hours, working locations, hourly pay, total pay, sick days and other details. ShiftLife has a simple easy to use interface for quick intuitive operation and functionality designed specifically for easy use. This will quickly become one of your indispensable Apps. FEATURES: * Apple Watch * Notification Center Widget * iPhone, iPad, iPad mini, iPad Pro. * iCloud, Google, Outlook, Yahoo, iCal Sync. * Fast Shift Entry. A whole year of shifts can be done in seconds. * Add, delete, edit calendars. * Flexibility to handle any wok pattern. * Bluetooth sync calendars & shift patterns with your work colleagues & friends. * Pictures for calendar months display. * Import your own images from your photos. * Custom events, sick days, holidays, training days. * Multiple daily events & shifts. * List, Day, Week, Month & Year Views. * Friendly user interface with intuitive touch gestures . * Holiday & Sport Calendars. * Export/import your events & shifts using .ics files. * Create image of month view to use as your phones wallpaper. * Send a picture of your calendar to your friends * Set any day as the start of your work week. * Personalise your display. * Send Email of your shifts. * iCloud calendar support for automatic syncing between your devices. * Spanish, French, German, Russian, Italian, Portuguese, Chinese, Japanese, Korean, Swedish. -- YOUR WORK LIFE IN YOUR POCKET -- _____________________________________ - THIS IS NOT A FREE APP. DOWNLOAD THE LITE VERSION FOR FREE TO SEE IF YOU LIKE IT BEFORE YOU DECIDE TO PURCHASE. THE LITE VERSION IS FULLY FUNCTIONAL EXCEPT THAT IT CONTAINS ADVERTS AND RESTRICTS THE NUMBER OF EVENTS THAT CAN BE CREATED AND ADDED TO YOUR CALENDARS. A SMALL IN-APP UPGRADE CAN BE PURCHASED TO REMOVE THE RESTRICTIONS AND ADVERTS. THE COMPLETE CURRENT AND NEXT YEAR'S CALENDARS ARE THEN INCLUDED WITH THE INITIAL FULL VERSION UPGRADE PURCHASE. SUBSEQUENT CALENDAR YEARS ARE AVAILABLE AS A SMALL IN-APP PURCHASE. YOU WILL ALWAYS BE DISPLAYED THE COST IN YOUR LOCAL CURRENCY, BEFORE BEING ASKED TO CONFIRM ANY IN-APP PURCHASE. To allow our users to further customise their app to meet their specific needs and interests, there is also a separate Add-on available called the ‘Calendar Store’ provided by SchedJoules. It contains a large selection of great holiday, sport fixtures, weather & lifestyle calendars. These calendars can be set up so they are displayed alongside your other personal calendar events. You can purchase access to the ’Calendar Store’ Add-on for 1 year with a yearly auto-renewable subscription. You get full and ongoing access to the ‘Calendar Store’, including live updates. The 1 year subscription to the ‘Calendar Store’ Add-on starts at $1.99 (Prices may vary by location) and begins with a one-month free trial, so you can try before you buy. Payment will be charged to your iTunes Account at confirmation of purchase after the 1 month free trial. Subscriptions to the Add-on automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period. Cancellation of the current active subscription period is not allowed. You can manage your subscription and turn off the auto-renew for the 'Calendar Store' Add-on at any time from your iTunes Account Settings. Full Terms of Service and our Privacy Policy are available at www.ovalkey.com/terms-of-service and www.ovalkey.com/privacy-policy respectively.

About

Spark

This app simplifies shift work for professionals like first responders and healthcare workers. It offers full customization, secure cloud syncing, and streamlined shift trading. Plan your life and stay organized with instant visual cues and reliable support.

Highlights
  • Full shift customization
  • Secure cloud sync
  • Streamlined shift trades
  • Instant visual cues
  • Comprehensive shift coverage
  • User-friendly interface
Features
Read full description

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!

Screenshots

ShiftLife Organizer4 screens
Spark4 screens

Verdict

The call

The clearest difference is ads: Spark at none against ShiftLife Organizer's shown. Spark also leads on ratings volume (7.5K vs 1.8K) and iOS requirement (15.6 vs 17.6). On price, rating, review sentiment and update cadence there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ShiftLife Organizer sells 13 in-app purchases, starting at $1.99 per year and Spark sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for ShiftLife Organizer against 4.8 for Spark. Both are backed by a comparable volume of ratings — 1.8K and 7.5K respectively. Written reviews are what separate them: 78% of ShiftLife Organizer's written reviews are positive against 75% of Spark's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 5 weeks. Both last shipped on September 22, 2026.

Scorecard3 real differences · 7 level
ShiftLife Organizer versus Spark: the parameters behind the verdict, then further details
ParameterShiftLife OrganizerSpark
PriceFreeFree
Rating4.7 (1.8K ratings)4.8 (7.5K ratings) — better
Positive reviews77.5% of reviews — better74.5% of reviews
Number of ratings1.8K7.5K — better
Update frequencyEvery 5 weeksEvery 5 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.615.6 — better
Further details — not scored
Size33 MB14 MB
Age rating4+4+
DeveloperOvalKey Ltd.E.L.K. Equities LLC

Customer experience

ShiftLife Organizer

All ratings1,801 ratings
Positive94.7%
Neutral3.1%
Negative2.2%
Written reviews929 reviews
Positive77.5%
Neutral7.4%
Negative15.1%

Spark

All ratings7,300 ratings
Positive95.3%
Neutral2.9%
Negative1.8%
Written reviews157 reviews
Positive74.5%
Neutral8.9%
Negative16.6%

User reviews

ShiftLife Organizer

From 1.8K App Store ratings

What we love

  • 🚀 Excellent for shift workers
  • 👍 Highly customizable
  • 🔒 Secure and reliable
  • 💡 Helpful for work and personal life
  • 👍 Easy to use and navigate

Room to improve

  • 💰 Expensive yearly subscription
  • 🐛 Occasional data loss or deletion
  • 🐛 Compatibility issues with newer devices
  • 🐛 Buggy or glitchy at times
  • 🔧 Difficult to set up or configure

Spark

From 7.5K App Store ratings

What we love

  • 🚀 Excellent calendar app
  • 👍 Easy to use and set up
  • 🔒 Secure and reliable
  • 💡 Customizable and feature-rich
  • 👍 Great for shift work and emergency services

Room to improve

  • 🐛 Occasional crashes and bugs
  • 💰 Subscription model and pricing issues
  • 🔧 Needs more frequent updates
  • 🔧 Compatibility issues with newer devices
  • 🔧 Lack of certain features (e.g., widgets, dark mode)

Bugs and requests

ShiftLife Organizer

Reported bugs

4 issues
  • Shifts or events randomly disappearing
  • Inability to update shift patterns
  • Syncing issues across devices
  • Crashes or freezes when adding events

Requested features

5 requests
  • Ability to import/export data
  • More advanced reporting and analytics
  • Improved shift pattern templates
  • Seamless integration with other calendars
  • Customizable alarm/reminder options

Spark

Reported bugs

3 issues
  • Login and authentication problems
  • Data loss and sync issues after updates
  • Unreliable performance on some devices

Requested features

4 requests
  • Ability to sync with more calendar services
  • More customization options
  • Improved user interface and design
  • Ability to view past schedules and events

In-app purchases

13 purchases

ShiftLife Organizer

Subscriptions2
  • Calendar Store Add-On1 Month trial$1.991 Year
  • Premium Unlimited Access1 Month trial$9.991 Year
One-time11
  • Holidays United States$0.99
  • AR Calendar Add-on$1.99
  • ShiftLife Full Version$4.99
Show 8 more
  • ShiftLife 2020 Calendar$4.99
  • ShiftLife 2021 Calendar$4.99
  • ShiftLife 2022 Calendar$4.99
  • ShiftLife 2023 Calendar$4.99
  • ShiftLife 2024 Calendar$4.99
  • ShiftLife 2025 Calendar$4.99
  • ShiftLife 2027 Calendar$6.99
  • ShiftLife 2026 Calendar$6.99
2 purchases

Spark

One-time2
  • Annual Subscription Renewal$0.99
  • Initial Annual Subscription$5.99

Questions

Is ShiftLife Organizer free?
ShiftLife Organizer is free to download, with in-app purchases available.
Is Spark free?
Spark is free to download, with in-app purchases available.
Which has better reviews, ShiftLife Organizer or Spark?
Spark is rated higher. ShiftLife Organizer averages 4.7 out of 5 from 1.8K ratings, while Spark averages 4.8 from 7.5K ratings.
Do ShiftLife Organizer or Spark have ads?
ShiftLife Organizer shows ads; Spark does not.
Which is updated more often, ShiftLife Organizer or Spark?
ShiftLife Organizer ships an update every 5 weeks, and Spark every 5 weeks. Most recently, ShiftLife Organizer was updated on September 22, 2026 and Spark on September 22, 2026.

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