Comparison

FireSync Shift Calendar vs First Due Mobile

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

Head to head
About

FireSync Shift Calendar

This app is a comprehensive calendar designed for firefighters, offering robust shift tracking, event management, and cloud integration. It allows users to manage trades, overtime, and personal events, with features like CertTracker and Expenditure tracking. It also syncs with other calendars and devices for seamless organization.

Highlights
  • Firefighter shift schedule tracking
  • Event management (trades, overtime, personal)
  • Cloud integration with FireSync Enterprise™
  • CertTracker and Expenditure tracking
  • Customizable shift editor
  • Year and month calendar views
  • Report generation and emailing
Features
Read full description

FireSync is not merely a Firefighter Shift Calendar, it's also a full-featured calendar app with powerful cloud-enabled features just for firefighters. Whether or not you want to keep track of your trades, overtimes, or just your kid's soccer practices, FireSync can do it all. It also includes many powerful features such as CertTracker, Expenditures, and is fully integrated with FireSync Enterprise™ and TheHouse™ cloud services. Before you buy another shift calendar app ask yourself: 1. Do you have to pay an annual subscription for the calendar? Not with us! We support firefighters by letting you keep more of your hard-earned money. Is there a better way? 2. Is it also a full-featured calendar app? FireSync isn’t just a firefighter shift calendar, it’s also a full-featured calendar app that fully integrates with your phone's calendars. FireSync events are saved to your calendar and can be seen on other phone's using the same calendar account (e.g. phones used by family members). FireSync is more than a good firefighter calendar. It’s a good calendar app period! 3. Will you find yourself staring at the app for 15 minutes just figuring out how to use it? FireSync has a sleek modern design that is intuitive to use. 4. Does it include powerful cloud-enabled features? If your fire department uses FireSync Enterprise™ or TheHouse™ you can view all of the additional data and applets shared by your department or station from within FireSync. !!! SHIFT SUPPORT !!! FireSync supports any 24-hour shift schedule that repeats on a predictable cycle. FIRESYNC COMES PRELOADED WITH THE SHIFT CYCLES FOR OVER 1,400 FIRE DEPARTMENTS! If you do not see your fire department no problem. Our intuitive shift editor allows you to easily create your shift schedule. You can also share it with us so that others in your firehouse or department can quickly be up and running. Although FireSync does not fully support 12-hour shifts, we have countless users using FireSync to display their 12-hour shifts. If you want to display YOUR SHIFT (not all shifts) you can create 12-hour shifts. Kelly and Debit Days. Does your fire department use Kelly and Debit days? No problem. FireSync allows you to show both Kelly and Debit days. You can define them by rule or by specifying specific dates. FLSA: FireSync allows users to add FLSA periods to their calendar. Other Features: 1. Ability to add and track ordinary events, trades, overtime, comp time, benefit days, incidents and training. Since FireSync is also a full-featured cal you can also see these events on other calendars and other devices sharing the same calendar account (e.g. spouse). FireSync is your all-in-one calendar app. 2. Sleek reports that give you the info you need at a mere glance. View your shift trades, overtimes, comp time, benefits accrued or used, training and fire incidents with ease. You can also email your reports. 3. The ability to view your calendar in a year view, month view, month-list view, or day view. With FireSync you aren't just looking at your shift cycle. You can see all of your fire and non-fire events. 4. CertTracker to keep track of your training certificates. 5. Expenditure tracking. FireSync Shift Calendar is the shift calendar firefighters deserve. Get the word out to your brothers and sisters in your firehouse and IAFF local. *FireSync is the exclusive property of ForceReadiness.com. It solely developed FireSync and is responsible for its functionality. Firefighters First Credit Union has agreed to sponsor the app in order to provide it to all firefighters at no cost.

About

First Due Mobile

Receive real-time incident notifications and navigate directly to emergencies with optimized routing. Access critical building data, pre-plans, and team communication tools for enhanced situational awareness and faster response.

Highlights
  • Incident tracking and notification
  • Emergency response routing
  • Building data integration
  • Pre-incident planning
  • Team chat communication
  • Live unit tracking
Features
Read full description

First Due Mobile is finally here! Be notified, arrive safely and understand your scene like never before. First Due Mobile includes: -Incident tracking and notification -Emergency response specific routing -Integrated Assessor, Building Department and Fire Prevention data! -Quick size-up on every building -Detailed pre-plans on every building including residential! -Pre-Incident Planning & Mapping -Chat for easy communication with your team -Incident statusing and responding functionality -Live unit and team member tracking during incident

Screenshots

FireSync Shift Calendar4 screens
First Due Mobile4 screens

Verdict

The call

The clearest difference is review sentiment: FireSync Shift Calendar at 69% against First Due Mobile's 17%. FireSync Shift Calendar also leads on rating (4.8 vs 2.9) and ratings volume (9.1K vs 813). First Due Mobile's advantage is monetization model (free vs paid) and update cadence (fortnightly vs every 2 months). On price, ads, in-app purchases 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

FireSync Shift Calendar holds the better App Store score, 4.8 against 2.9. That said, the two scores are not equally well evidenced: FireSync Shift Calendar has 9.1K ratings behind it against 813, so its average is the more settled of the two. Written reviews point the same way: 69% of FireSync Shift Calendar's written reviews are positive against 17% of First Due Mobile's.

UpkeepUpdate frequency

FireSync Shift Calendar ships an update every 2 months, First Due Mobile fortnightly. Both last shipped on September 24, 2026.

Scorecard6 real differences · 4 level
FireSync Shift Calendar versus First Due Mobile: the parameters behind the verdict, then further details
ParameterFireSync Shift CalendarFirst Due Mobile
PriceFreeFree
Rating4.8 (9.1K ratings) — better2.9 (813 ratings)
Positive reviews69.2% of reviews — better16.7% of reviews
Number of ratings9.1K — better813
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size176 MB223 MB
Age rating17+4+
DeveloperForceReadiness.comLocality Media, Inc.

Customer experience

FireSync Shift Calendar

All ratings9,095 ratings
Positive95.7%
Neutral2.7%
Negative1.6%
Written reviews91 reviews
Positive69.2%
Neutral8.8%
Negative22.0%

First Due Mobile

All ratings813 ratings
Positive40.6%
Neutral11.4%
Negative48.0%
Written reviews264 reviews
Positive16.7%
Neutral16.7%
Negative66.7%

User reviews

FireSync Shift Calendar

From 9.1K App Store ratings

What we love

  • 🚀 Share capable
  • 👍 Perfect setup
  • 👍 User friendly and simple
  • 👍 Easy to use
  • 👍 Convenient

Room to improve

  • 🐛 Randomly deletes events
  • 🔒 Trouble with calendar access
  • 🐛 Holiday icon disappeared
  • 🐛 Erased all info
  • 🐛 Verification not working

First Due Mobile

From 813 App Store ratings

What we love

  • 🚀 Accurate incident information
  • 📊 Valuable pre-planning and response data
  • 🗺️ Helpful mapping and navigation features
  • 💡 Comprehensive all-in-one solution

Room to improve

  • 🐛 Frequent crashes and stability issues
  • 📱 Clunky and unintuitive mobile interface
  • ⏱️ Slow incident notifications and app loading
  • 🔇 Lack of customizable alert tones and settings
  • 🤯 Overwhelming number of features, poor usability

Bugs and requests

FireSync Shift Calendar

Reported bugs

11 issues
  • Randomly deletes events
  • Trouble with calendar access
  • Holiday icon disappeared
  • Erased all info
  • Verification not working
Show 6 more
  • No longer syncs
  • Schedule won't publish
  • Crashes on iOS 13.2 update
  • App keeps crashing
  • Bug with editing events
  • Major bug with category/location fields

Requested features

11 requests
  • Color customization for days
  • Shift designation by number
  • Custom FLSA start/end dates
  • Customizable pay days
  • Shift trade feature
Show 6 more
  • Debit day scheduling
  • Ability to share calendar with others
  • Dark mode
  • Shift color customization
  • Shift swap/back-to-back trade option
  • Ability to see which shift you're on

First Due Mobile

Reported bugs

4 issues
  • Addresses not accurately displayed
  • Inability to log out or switch between departments
  • Inconsistent behavior across iOS and Android
  • Unreliable push notifications and alerts

Requested features

5 requests
  • Dark mode option
  • Improved scheduling and shift management
  • Apple Watch integration for alerts
  • Offline functionality and caching
  • Streamlined user interface and navigation

In-app purchases

None

FireSync Shift Calendar

No in-app purchases

None

First Due Mobile

No in-app purchases

Questions

Is FireSync Shift Calendar free?
FireSync Shift Calendar is free to download, with no in-app purchases.
Is First Due Mobile free?
First Due Mobile is free to download, with no in-app purchases.
Which has better reviews, FireSync Shift Calendar or First Due Mobile?
FireSync Shift Calendar is rated higher. FireSync Shift Calendar averages 4.8 out of 5 from 9.1K ratings, while First Due Mobile averages 2.9 from 813 ratings.
Do FireSync Shift Calendar or First Due Mobile have ads?
Neither FireSync Shift Calendar nor First Due Mobile shows ads.
Which is updated more often, FireSync Shift Calendar or First Due Mobile?
FireSync Shift Calendar ships an update every 2 months, and First Due Mobile fortnightly. Most recently, FireSync Shift Calendar was updated on September 24, 2026 and First Due Mobile on September 24, 2026.

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