Spark vs Fire DTS
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!
Fire DTS
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Fire DTS ™ is an American Made, Secure, Cloud-Based System for Fire Departments to manage the incredible task of OVERTIME, ATTENDANCE, AND DETAIL disbursement in an efficient, and transparent manner. Our system uses the latest in security technology and is mobile friendly from anywhere and from any device that has internet availability! There are no servers or infrastructure for you to buy! This is a fully secure cloud based system, just like online banking! We guarantee that this system will reduce your administration overhead by at least 50 to 80% Fire DTS ™ is owned by SYSTEMWORKS, LLC is an American made Cloud Application product. Our company is based in the state of Massachusetts and have customers nationwide. Fire DTS ™ is extremely unique because it encompasses a one of a kind Embedded Proprietary Automated Algorithm also known as the “Internal Engine” This feature will save departments over 10 fold the amount of time it takes to disburse details and overtime. The OIC no longer has to call individual employees because the internal engine reaches out to the officers to delegate the assignments based on their eligibility hours and seniority. The “Internal Engine” is customized for the department to meet their Union CBA and or Department Policies and in the background, runs every 60 seconds as a system heartbeat providing an artificial intelligence to execute these laborious tasks. One of our goals is to assist departments in reducing the huge administrative overhead of detail and overtime delegation along with vendor billing for a fraction of the cost currently being exhausted in a secure, transparent and accurate manner. In addition, the time saved by the department can free up officers in charge, making them more available to the needs of public safety and less on the shuffling of paperwork and phone calls. SYSTEMWORKS, LLC is a Massachusetts company committed to provide a unique implementation of our automated award engine unlike anything that exists therefore, we have not established a formal dealer network and SystemWorks, LLC is the ultimate sole source for the Detail Tracking System product line.
Screenshots
Verdict
The clearest difference is in-app purchases: Fire DTS at none against Spark's 2. Fire DTS also leads on iOS requirement (10.0 vs 15.6). On price, 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
Both are free to download. Spark sells 2 one-off in-app purchases. Fire DTS asks for nothing beyond the download.
| Parameter | Spark | Fire DTS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (7.5K ratings) — better | — |
| Positive reviews | 74.8% of reviews | — |
| Number of ratings | 7.5K — better | — |
| Update frequency | Every 5 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 10.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | E.L.K. Equities LLC | SystemWorks, LLC |
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
Fire DTS
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Spark
- Annual Subscription Renewal$0.99
- Initial Annual Subscription$5.99
Fire DTS
No in-app purchases









