Comparison

Spark vs WorkTime

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

Head to head
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!

About

WorkTime

Easily track your work shifts and hours with this intuitive calendar app. Designed for shift workers, it allows quick entry, schedule visualization, and helpful reminders. Premium features include advanced hour tracking and calendar syncing.

Highlights
  • Shift calendar visualization
  • Quick shift entry
  • Shift reminders
  • Hours and wages tracking
  • Schedule sharing
  • Sync to phone calendar
Features
Read full description

TRACKING WORK SHIFTS HAS NEVER BEEN EASIER. WorkTime is the shift calendar trusted by over 1,000,000 workers. Set your shift times, see them all at a glance, set alerts, add up your hours, and share your schedule. Do you work rotating shifts, irregular hours, or random days? WorkTime tracks your entire work schedule on one clean calendar. Enter shifts with just two taps. See your whole month at a glance. No more scribbling shifts on scraps of paper. FEATURES • See all your shifts at a single glance on a unique time-display calendar • Enter shift start times with just two taps • Add shifts quickly from your Recent Shifts list • Add notes and reminders to any day • Share your schedule via email or save it as a photo • Share multiple months at once PREMIUM FEATURES • Add unlimited jobs • Track hours worked and wages with the Hours Calculator • Set alerts to remind you before an upcoming shift • Ad-free interface • Sync to your phone's calendar SET AND NEVER FORGET. Set reminders based on how much time you need to get ready. WorkTime alerts you before every shift so you never miss one. BUILT FOR SHIFT WORKERS. Whether you're a nurse, barista, bartender, warehouse worker, retail associate, or anyone who works shifts — WorkTime is built for you. Subscription pricing and terms: WorkTime offers auto-renewing subscription options. Prices shown are for United States customers. Pricing in other countries may vary and actual charges may be converted to your local currency depending on the country of residence. Your subscription will automatically renew at the end of each term and your credit card will be charged through your App Store account. You can turn off auto-renew at any time from your device's Settings > Subscriptions. Refunds will not be provided for any unused portion of the term. Terms of Use: http://totoventures.com/terms-of-use/ Privacy Policy: http://totoventures.com/privacy-policy/

Screenshots

Spark4 screens
WorkTime4 screens

Verdict

The call

The clearest difference is rating: Spark at 4.8 against WorkTime's 4.4. Spark also leads on review sentiment (75% vs 59%). On price, ratings volume, update cadence and ads 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. Spark sells 2 one-off in-app purchases and WorkTime sells 7 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Spark holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 7.5K and 4.7K respectively. Written reviews point the same way: 75% of Spark's written reviews are positive against 59% of WorkTime's.

UpkeepUpdate frequency

Spark ships an update every 5 weeks, WorkTime every 3 weeks. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

Scorecard2 real differences · 8 level
Spark versus WorkTime: the parameters behind the verdict, then further details
ParameterSparkWorkTime
PriceFreeFree
Rating4.8 (7.5K ratings) — better4.4 (4.7K ratings)
Positive reviews74.8% of reviews — better58.9% of reviews
Number of ratings7.5K — better4.7K
Update frequencyEvery 5 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.0
Further details — not scored
Size10 MB59 MB
Age rating4+4+
DeveloperE.L.K. Equities LLCToto Ventures Inc.

Customer experience

Spark

All ratings7,510 ratings
Positive95.2%
Neutral2.9%
Negative1.9%
Written reviews159 reviews
Positive74.8%
Neutral8.8%
Negative16.4%

WorkTime

All ratings4,671 ratings
Positive84.3%
Neutral7.3%
Negative8.4%
Written reviews487 reviews
Positive58.9%
Neutral12.3%
Negative28.7%

User reviews

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)

WorkTime

From 4.7K App Store ratings

What we love

  • 🚀 Simple and easy to use
  • 👍 Helpful for organizing shifts and schedules
  • 💰 Calculates earnings and pay
  • 📆 Convenient calendar view

Room to improve

  • 🔒 Requires subscription for full functionality
  • 💰 Subscription cost is too high
  • 🐛 Bugs and glitches after updates
  • 🔄 Difficulty restoring purchases

Bugs and requests

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

WorkTime

Reported bugs

3 issues
  • Shifts/data randomly disappearing after updates
  • Inability to restore pro subscription
  • Calendar view freezing and becoming unresponsive

Requested features

4 requests
  • Add weekend/holiday pay rates
  • Ability to sync with other calendars
  • Option to customize font size and layout
  • Implement a search/filter feature

In-app purchases

2 purchases

Spark

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

WorkTime

Subscriptions6
  • 1 Wk WorkTime Shift Scheduler14 Days trial$3.997 Days
  • WorkTime Pro: One Week14 Days trial$3.997 Days
  • 1 Month WorkTime Shift Manager14 Days trial$8.991 Month
Show 3 more
  • 6 Month WorkTime Shift Worker$29.996 Months
  • WorkTime Pro Annual Subscription14 Days trial$39.991 Year
  • 1 Year WorkTime Job Calendar14 Days trial$49.991 Year
One-time1
  • Work Calendar & Shift Schedule$3.99

Questions

Is Spark free?
Spark is free to download, with in-app purchases available.
Is WorkTime free?
WorkTime is free to download, with in-app purchases available.
Which has better reviews, Spark or WorkTime?
Spark is rated higher. Spark averages 4.8 out of 5 from 7.5K ratings, while WorkTime averages 4.4 from 4.7K ratings.
Do Spark or WorkTime have ads?
Neither Spark nor WorkTime shows ads.
Which is updated more often, Spark or WorkTime?
Spark ships an update every 5 weeks, and WorkTime every 3 weeks. Most recently, Spark was updated on October 14, 2026 and WorkTime on October 16, 2026.

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