Spark vs Simple Timer & Stopwatch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Full shift customization
- Secure cloud sync
- Streamlined shift trades
- Instant visual cues
- Comprehensive shift coverage
- User-friendly interface
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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!
Simple Timer & Stopwatch
This app provides a clear and responsive timer and stopwatch with large time displays for everyday tasks, study, and lessons. It offers customizable layouts, presets, and history tracking, with optional features like showing the current time and keeping the screen awake. Live Activities display your timer or stopwatch on the Lock Screen and Dynamic Island.
- Large time displays
- Customizable layouts
- Preset durations
- Live Activities integration
- Offline functionality
- History tracking
- Screen awake option
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A clear timer and stopwatch for study, lessons and everyday tasks. Large time displays and responsive layouts keep your countdown or elapsed time prominent, with controls close at hand on iPhone and iPad. Turn on Clock in the layout menu to show the current time alongside your countdown. The clock is optional and off by default. Select the manual Tabletop layout to place the timer above its controls, or use the regular timer layout. Start/Pause and Reset stay at the bottom of the control pane, with presets and optional content above. Your running or paused session continues when you change layouts. Start with 1, 3, 5, 10, 15 or 30-minute presets, or set a custom duration. Pause, resume and reset with simple controls. Use a full-screen countdown and lock its controls to help prevent accidental changes. Review your timer and stopwatch history. Choose light, dark or system appearance, an alert sound or silent mode, and optionally keep the screen awake while timing. Live Activities show your timer or stopwatch on the Lock Screen and, on supported devices, the Dynamic Island. Alerts depend on notification permissions and system settings. Ad-free timing, no account required. The timer and stopwatch work offline. Optional links to our other apps are in Settings. Available in English, Japanese, Korean, German and Simplified Chinese.
Screenshots
Verdict
The clearest difference is rating: Spark at 4.8 against Simple Timer & Stopwatch's 1.0. Spark also leads on ratings volume (7.5K vs 1) and update cadence (every 5 weeks vs every 3 months). Simple Timer & Stopwatch's advantage is in-app purchases (none vs 2). On price, ads, device support and iOS requirement 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
Both are free to download. Spark sells 2 one-off in-app purchases. Simple Timer & Stopwatch asks for nothing beyond the download.
Spark holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Spark has 7.5K ratings behind it against 1, so its average is the more settled of the two.
Spark ships an update every 5 weeks, Simple Timer & Stopwatch every 3 months. The most recent releases landed on October 14, 2026 and September 29, 2026 respectively.
| Parameter | Spark | Simple Timer & Stopwatch |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (7.5K ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 74.8% of reviews | — |
| Number of ratings | 7.5K — better | 1 |
| Update frequency | Every 5 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.1 |
| Further details — not scored | ||
| Size | 10 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | E.L.K. Equities LLC | Cong Le |
Customer experience
Spark
Simple Timer & Stopwatch
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
Simple Timer & Stopwatch
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Spark
- Annual Subscription Renewal$0.99
- Initial Annual Subscription$5.99
Simple Timer & Stopwatch
No in-app purchases
Questions
Is Spark free?
Is Simple Timer & Stopwatch free?
Which has better reviews, Spark or Simple Timer & Stopwatch?
Do Spark or Simple Timer & Stopwatch have ads?
Which is updated more often, Spark or Simple Timer & Stopwatch?
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