Comparison

Spark vs Work Cycle

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

Work Cycle

Easily visualize and manage your irregular work schedule with a personalized calendar. Designed for shift workers, this app helps you plan rotations, track rest days, and add personal notes for better work-life balance.

Highlights
  • Visual monthly calendar for work cycles
  • iCloud synchronization across Apple devices
  • Flexible configuration for any cycle type
  • Customizable colors for shift types
  • Add personal notes to days
  • Manage vacations and exceptions
  • Plan weeks in advance
Features
Read full description

Do you work in shifts, night duty, rotating schedules, or follow an irregular work cycle such as 4/2, 3/3, 3/1, 5/3, or 6/4? This app is designed for professionals with non-standard schedules. Easily visualize your work rhythm with a clear, personalized calendar tailored to your needs. Perfect for healthcare workers, security guards, shift workers, firefighters, hospital staff, technicians, factory workers, maintenance staff, drivers, and anyone working in alternating or rotating schedules. Main features: Monthly calendar with visual display of your work cycle iCloud synchronization: your data stays updated across all Apple devices Flexible configuration for any type of cycle (workdays, rest days, rotations, day types) Customizable colors for each shift type: morning, afternoon, evening, night, full day, rest Add personal notes to each day Manage vacations and exceptions without disrupting your main cycle Plan your weeks in advance, manage rest time more efficiently, and keep a clear overview of your professional schedule. The app adapts to any irregular rhythm and helps you balance work and personal life. No ads, easy to use, and built for people with non-standard or rotating work hours. Whether you’re on shifts, in teams, or working variable hours, you’ll find a simple and effective tool to organize your work schedule. Download the app and take back control of your unique work cycle.

Screenshots

Spark4 screens
Work Cycle4 screens

Verdict

The call

The clearest difference is price: Spark at Free against Work Cycle's $3.99. Spark also leads on iOS requirement (15.6 vs 17.0). Work Cycle's advantage is in-app purchases (none vs 2) and update cadence (daily vs every 5 weeks). On ads and device support 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

Spark is free to download; Work Cycle costs $3.99 up front. Spark sells 2 one-off in-app purchases. Work Cycle asks for nothing beyond the download.

UpkeepUpdate frequency

Spark ships an update every 5 weeks, Work Cycle daily. The most recent releases landed on October 14, 2026 and September 7, 2026 respectively.

Scorecard6 real differences · 4 level
Spark versus Work Cycle: the parameters behind the verdict, then further details
ParameterSparkWork Cycle
PriceFree — better$3.99
Rating4.8 (7.5K ratings) — better—
Positive reviews74.8% of reviews100.0% of reviews — better
Number of ratings7.5K — better—
Update frequencyEvery 5 weeksDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size10 MB4 MB
Age rating4+4+
DeveloperE.L.K. Equities LLCTheo Battello

Customer experience

Spark

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

Work Cycle

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

Work Cycle

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Spark

One-time2
  • Annual Subscription Renewal$0.99
  • Initial Annual Subscription$5.99
None

Work Cycle

No in-app purchases

Questions

Is Spark free?
Spark is free to download, with in-app purchases available.
Is Work Cycle free?
Work Cycle costs $3.99, with no in-app purchases.
Do Spark or Work Cycle have ads?
Neither Spark nor Work Cycle shows ads.
Which is updated more often, Spark or Work Cycle?
Spark ships an update every 5 weeks, and Work Cycle daily. Most recently, Spark was updated on October 14, 2026 and Work Cycle on September 7, 2026.

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