Calendars vs Fire Shift Calendar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calendars
This app combines a calendar, task manager, daily planner, and habit tracker. It helps users plan their day, build habits, boost productivity, and stay organized with seamless syncing across all Apple devices. Features include event creation, to-do list management, natural language input, and integration with popular meeting platforms.
- Calendar, task, and habit management
- Daily, weekly, and monthly views
- Natural language event creation
- To-do list organization
- Cross-device syncing
- Meeting platform integration
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Calendars by Readdle is the all-in-one calendar, task manager, daily planner, and habit tracker — seamlessly working across all your Apple devices: Mac, iPhone, iPad, and Apple Watch. Plan your day, build better habits, boost productivity, and stay organized with powerful features and smooth sync between all your devices. What you can do with Calendars: • View and manage your calendar with daily, weekly, and monthly views • Create events, set reminders, and never miss important dates • Use the built-in agenda planner to focus on what matters most • Organize your to-do list and manage your tasks with ease • Quickly add events or to-do items using natural language • Build routines and track your habits to stay consistent • Take a guided productivity course to improve time management and focus • Sync across devices with Google Calendar, iCloud, and more • Customize your planner calendar with color coding and widgets • Join Zoom, Google Meet, or GoToMeeting directly from your calendar • Stay in control of your time, wherever you are Whether you're planning a busy workday, building new habits, or working on personal growth, Calendars brings everything together to help you own your time — across all your Apple devices. Privacy Policy: https://readdle.com/calendars/legal/privacy Terms of Service: https://readdle.com/calendars/legal/terms Have questions, comments, or issues? Don’t hesitate to reach out to us at http://readdle.com/contact
Fire Shift Calendar
This app simplifies complex work schedules for shift workers. It offers custom shift patterns, automatic time tracking for benefits and overtime, and cross-device synchronization. Designed for professionals in emergency services, healthcare, and other industries with non-traditional hours.
- Custom shift pattern creation
- Repeating rotation application
- Color-coded shifts
- Vacation, sick, and overtime tracking
- Automatic accrual calculations
- Cross-device synchronization
- Calendar integration
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The smarter calendar built for shift workers Keeping track of complex shifts, overtime, and time off shouldn’t feel like a second job. Fire Shift Calendar is designed for firefighters, nurses, EMTs, police officers, and anyone working non-traditional hours. With powerful scheduling tools, benefit tracking, and instant sync across devices, your work life finally fits into one clean, easy calendar. Shifts Made Simple • Create custom patterns: 24-on/48-off, 12-hour rotations, split shifts, Kelly days, and more • Apply repeating rotations in seconds • Color-code shifts for instant clarity • Support for full, partial, or multi-day shifts • Create templates to quickly add non-repeating shifts Track Your Time, Automatically • Vacation, sick, comp, and overtime tracking • Automatic accrual calculations (daily, monthly, yearly) • Log trades/swaps, training hours, and exposures • Visual summaries of earned vs. used time Stay Ahead, Stay Connected • Sync shifts and records instantly across devices • Calendar integration with Apple Calendar • Multiple style widgets to see your upcoming shifts and events at a glance Built for You • Clean, modern interface with dark mode • Multiple views • Extremely customizable styles and colors—make the calendar look and feel exactly how you want Perfect for Every Shift Worker • Firefighters, EMTs, paramedics, police • Nurses, doctors, technicians, hospital staff • Security, transportation, retail, manufacturing, and more Why Fire Shift Calendar? Other calendar apps weren’t built with shift workers in mind. Fire Shift Calendar was. From the most complex rotations to automatic benefit accruals, it gives you the clarity, accuracy, and control you need—without the headache. Take control of your schedule. Download Fire Shift Calendar today.
Screenshots
Verdict
Calendars and Fire Shift Calendar both sit at 4.7 stars, but that hides the real split: 55% of Calendars's written reviews are positive against 0% of Fire Shift Calendar's. Calendars also leads on ads (none vs shown) and ratings volume (122K vs 16). On price, rating, update cadence and in-app purchases 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. Calendars sells 17 in-app purchases, starting at $3.99 per month and Fire Shift Calendar sells 8 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for Calendars against 4.8 for Fire Shift Calendar. That said, the two scores are not equally well evidenced: Calendars has 122K ratings behind it against 16, so its average is the more settled of the two. Written reviews are what separate them: 55% of Calendars's written reviews are positive against 0% of Fire Shift Calendar's.
Calendars ships an update every 11 days, Fire Shift Calendar fortnightly. The most recent releases landed on September 24, 2026 and June 3, 2026 respectively.
| Parameter | Calendars | Fire Shift Calendar |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (122K ratings) | 4.8 (16 ratings) — better |
| Positive reviews | 55.4% of reviews — better | 0.0% of reviews |
| Number of ratings | 122K — better | 16 |
| Update frequency | Every 11 days — better | Fortnightly |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | #104 — better | — |
| Devices | iPhone, iPad, Mac, Apple Watch — better | iPhone, iPad |
| Requires iOS | 18.2 — better | 26.0 |
| Further details — not scored | ||
| Size | 407 MB | 219 MB |
| Age rating | 4+ | 4+ |
| Developer | Readdle Technologies Limited | Ayodeji Shoola |
Customer experience
Calendars
Fire Shift Calendar
Bugs and requests
Calendars
Reported bugs
3 issues- Disappearing events and appointments
- Upgrade process causing data loss
- Freezing and crashing on certain devices
Requested features
5 requests- Recurring events for free users
- Customizable widgets and app icons
- Ability to archive/restore past events
- Improved Apple Watch integration
- Shared calendars and family management
Fire Shift Calendar
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calendars
- Calendars PRO 1 Month$3.991 Month
- Calendars by Readdle: Interesting Calendars1 Month trial$3.991 Year
- Calendars PRO 1 Month7 Days trial$3.991 Month
Show 5 moreShow fewer
- Calendars PRO 1 Year7 Days trial2 variants$19.991 Year
- Calendars PRO 1 Year1 Year trial$19.991 Year
- Calendars PRO 1 Year14 Days trial$19.991 Year
- Calendars PRO 1 Year7 Days trial$21.991 Year
- Calendars PRO 1 Year7 Days trial$29.991 Year
- Calendars PRO LifetimeFree
- Invites & Attendees Upgrade$1.99
- Smart Input Upgrade$1.99
Show 6 moreShow fewer
- Full Upgrade$4.99
- Interesting Calendars$5.99
- My schedule planner, Organizer$6.99
- Full Pack$12.99
- Reminders & Calendars$19.99
- Recurring Events$31.99
Fire Shift Calendar
- Monthly7 Days trial$1.991 Month
- All Access7 Days trial$2.991 Month
- Monthly7 Days trial$3.991 Month
Show 5 moreShow fewer
- All Access$3.991 Month
- Yearly14 Days trial$19.991 Year
- All Access14 Days trial$29.991 Year
- Yearly14 Days trial$39.991 Year
- All Access$39.991 Year
Questions
Is Calendars free?
Is Fire Shift Calendar free?
Which has better reviews, Calendars or Fire Shift Calendar?
Do Calendars or Fire Shift Calendar have ads?
Which is updated more often, Calendars or Fire Shift Calendar?
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