Comparison

Calendars vs Shift Work Calendar & Planner

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

Head to head
About

Calendars

This app combines calendar, task management, and habit tracking to boost productivity and organization. It offers seamless syncing across Apple devices and integrates with popular services like Google Calendar. Plan your day, manage tasks, and build routines with customizable views and features.

Highlights
  • Calendar and task management
  • Habit tracking and routine building
  • Cross-device syncing
  • Natural language event creation
  • Integration with Google Calendar and Zoom
  • Customizable views and widgets
Features
Read full description

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

About

Shift Work Calendar & Planner

This app helps manage your work schedule with a fast and intuitive calendar. Easily add shifts, customize them with colors and icons, and sync with your Apple Calendar. Widgets provide a quick overview of your upcoming workdays.

Highlights
  • Add work shifts easily
  • Monthly and yearly calendar views
  • Customizable colors and icons
  • Notes for shift entries
  • Apple Calendar sync
  • Home screen widgets
  • Dark & Light Mode
Features
Read full description

ShiftWorkCal is a shift work calendar meticulously crafted to be fast, capable, and easy to use. Add your work shift schedule instantly and get a great overview over your work life. FEATURES INCLUDE • Easily Add Your Work Shifts • Monthly and Yearly Calendar • Custom Colors and Icons • Notes for Shift Entries • Apple Calendar Sync • Home Screen Widgets • Dark & Light Mode WORK SHIFTS Edit the start and end time and mark shifts as whole day. COLORS AND ICONS Customize shifts to your liking with beautiful colors and icons. APPLE CALENDAR SYNC Sync all your shifts to the calendar app and easily share them with others. iCLOUD SYNC Sync all your shifts to all of your devices. WIDGETS Add you whole months schedule as a home screen widget in various sizes. PRIVACY FIRST Everything you do is securely kept on your device. Download now and take control of your work life! --- Privacy Policy https://shiftworkcal.com/privacy Terms of Service https://shiftworkcal.com/terms

Screenshots

Calendars4 screens
Shift Work Calendar & Planner4 screens

Verdict

The call

The clearest difference is review sentiment: Shift Work Calendar & Planner at 100% against Calendars's 56%. Shift Work Calendar & Planner also leads on rating (5.0 vs 4.7). Calendars's advantage is ratings volume (123K vs 3) and update cadence (weekly vs every 3 weeks). On price, ads, in-app purchases and monetization model 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. Calendars sells 18 in-app purchases, starting at $3.99 per month and Shift Work Calendar & Planner sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Shift Work Calendar & Planner holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Calendars has 123K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 56% of Calendars's written reviews are positive against 100% of Shift Work Calendar & Planner's.

UpkeepUpdate frequency

Calendars ships an update weekly, Shift Work Calendar & Planner every 3 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 5 level
Calendars versus Shift Work Calendar & Planner: the parameters behind the verdict, then further details
ParameterCalendarsShift Work Calendar & Planner
PriceFreeFree
Rating4.7 (123K ratings)5.0 (3 ratings) — better
Positive reviews55.8% of reviews100.0% of reviews — better
Number of ratings123K — better3
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
Best chart rank#150 — better—
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone
Requires iOS18.217.6 — better
Further details — not scored
Size413 MB19 MB
Age rating4+4+
DeveloperReaddle Technologies LimitedDenis Andrasec

Customer experience

Calendars

All ratings122,497 ratings
Positive93.8%
Neutral3.1%
Negative3.1%
Written reviews1,290 reviews
Positive55.8%
Neutral8.6%
Negative35.6%

Shift Work Calendar & Planner

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

Shift Work Calendar & Planner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

18 purchases

Calendars

Subscriptions9
  • 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 6 more
  • Calendars PRO 1 Year3 Months trial$19.991 Year
  • 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
One-time9
  • Calendars PRO LifetimeFree
  • Invites & Attendees Upgrade$1.99
  • Smart Input Upgrade$1.99
Show 6 more
  • 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
3 purchases

Shift Work Calendar & Planner

Subscriptions3
  • Weekly Plan3 Days trial$1.997 Days
  • Pro Monthly$4.991 Month
  • Pro Yearly7 Days trial$24.991 Year

Questions

Is Calendars free?
Calendars is free to download, with in-app purchases available.
Is Shift Work Calendar & Planner free?
Shift Work Calendar & Planner is free to download, with in-app purchases available.
Which has better reviews, Calendars or Shift Work Calendar & Planner?
Shift Work Calendar & Planner is rated higher. Calendars averages 4.7 out of 5 from 123K ratings, while Shift Work Calendar & Planner averages 5.0 from 3 ratings.
Do Calendars or Shift Work Calendar & Planner have ads?
Neither Calendars nor Shift Work Calendar & Planner shows ads.
Which is updated more often, Calendars or Shift Work Calendar & Planner?
Calendars ships an update weekly, and Shift Work Calendar & Planner every 3 weeks. Most recently, Calendars was updated on November 1, 2026 and Shift Work Calendar & Planner on October 30, 2026.

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