Comparison

Shift Planning Calendar vs Calendars

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

Head to head
About

Shift Planning Calendar

This app simplifies shift work management for individuals. It allows for quick entry of recurring shifts, comparison of schedules with friends, and easy sharing of your work calendar via email or as a lock screen image.

Highlights
  • Quick shift input with icons
  • Compare schedules with friends
  • Auto-create email of shifts
  • Bluetooth shift exchange
  • Calendar snapshot for lock screen
  • All features available from start
Features
Read full description

This app provides powerful support for people who do shift work. This app was created based on comments like these. • Entering shifts on the calendar one by one is a lot trouble. > By using the Shift Input Function, you can fill in shifts for a whole month in less than 30 seconds. • I want to view shifts for me and my friends side by side when we're planning a day to hang out together. > By using the Shift List Function, you can quickly find out which day is best for everyone. • Writing emails when I want to tell my friends and family my shifts is difficult. > With the Autocreate Email Function, you can automatically create an email of your shift schedule with one touch. • I want to check my shifts quickly on the lock screen. > With the Calendar Snapshot Function, you can easily create an image of your calendar that can be used for the standby display. *** Main Features *** * You can use all of the features right from the start without having to purchase any add-ons. • Shift Input Mode You can fill in shifts on the calendar with simple one touch controls using icons. • Shift List Function You can manage shifts for multiple other users, and compare shifts for you and your friends on a single list. • Autocreate Email Function Creates an email of your work schedule with one touch. • Bluetooth Shift Exchange Function Exchange your shift information by bringing your iPhone/iPod Touch close together, similar to IR communication. • Calendar Snapshot Function Creates an image of your calendar that you can use as your lock screen or wallpaper. You can check your shifts quickly on your lock screen. • Launch App with URL Scheme open:ShiftWorkingCalendar open:shift *** User Reviews *** * Very helpful app. Makes life easier for shift workers. * Easy to use. Great for odd shifts. Love the icons. * Thanks it's easy to use and free * Absolutely fantastic. * Very handy for me and quick to use Easy to email to others * Very convenient. Nice app. * Glad a shift planner is free, without any adverts. * Just what I have been waiting for. Up till now, I have had to write shifts on calendar for my wife to see, and help plan. A simple email now does it all, great!

About

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.

Highlights
  • Calendar, task, and habit management
  • Daily, weekly, and monthly views
  • Natural language event creation
  • To-do list organization
  • Cross-device syncing
  • Meeting platform integration
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

Screenshots

Shift Planning Calendar4 screens
Calendars4 screens

Verdict

The call

Shift Planning Calendar and Calendars both sit at 4.7 stars, but that hides the real split: 83% of Shift Planning Calendar's written reviews are positive against 56% of Calendars's. Shift Planning Calendar also leads on monetization model (free vs free with in-app purchases) and iOS requirement (9.0 vs 18.2). Calendars's advantage is ratings volume (122K vs 816) and update cadence (weekly vs every 5 weeks). On price, rating, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Shift Planning Calendar sells 11 one-off in-app purchases and Calendars sells 18 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Shift Planning Calendar against 4.7 for Calendars. That said, the two scores are not equally well evidenced: Calendars has 122K ratings behind it against 816, so its average is the more settled of the two. Written reviews are what separate them: 83% of Shift Planning Calendar's written reviews are positive against 56% of Calendars's.

UpkeepUpdate frequency

Shift Planning Calendar ships an update every 5 weeks, Calendars weekly. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

Scorecard7 real differences · 4 level
Shift Planning Calendar versus Calendars: the parameters behind the verdict, then further details
ParameterShift Planning CalendarCalendars
PriceFreeFree
Rating4.7 (816 ratings) — better4.7 (122K ratings)
Positive reviews82.9% of reviews — better55.8% of reviews
Number of ratings816122K — better
Update frequencyEvery 5 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
Best chart rank—#113 — better
DevicesiPhone, iPodiPhone, iPad, Mac, Apple Watch — better
Requires iOS9.0 — better18.2
Further details — not scored
Size35 MB412 MB
Age rating4+4+
DeveloperKosuke HamadaReaddle Technologies Limited

Customer experience

Shift Planning Calendar

All ratings811 ratings
Positive94.7%
Neutral3.0%
Negative2.3%
Written reviews842 reviews
Positive82.9%
Neutral10.3%
Negative6.8%

Calendars

All ratings122,379 ratings
Positive93.8%
Neutral3.1%
Negative3.1%
Written reviews1,286 reviews
Positive55.8%
Neutral8.6%
Negative35.6%

User reviews

Shift Planning Calendar

From 816 App Store ratings

What we love

  • 👍 Easy to use
  • 👍 Customizable icons
  • 👍 Helps stay organized
  • 👍 Great for shift work
  • 👍 Convenient to have schedule on phone

Room to improve

  • 🐛 Issues with data transfer on new device
  • 🔒 Concerns about paid subscription
  • 💡 Could use more icon options
  • 💡 Wish it had more features like sharing calendar

Calendars

From 122K App Store ratings

What we love

  • 🌟 Excellent calendar app
  • 👍 Easy to use and organize
  • 🎨 Helpful color-coding
  • 📆 Seamless integration with other calendars
  • 🗓️ Detailed monthly/weekly views

Room to improve

  • 🐛 Occasional glitches and data loss
  • 💰 Concerns over subscription model
  • 🕰️ Cumbersome date/time selection process
  • 🔍 Limited location search functionality
  • 🔄 Sync issues between devices

Bugs and requests

Shift Planning Calendar

Reported bugs

3 issues
  • Shift data not transferring to new device
  • Paid subscription not recognized on new device
  • Calendar not displaying properly on larger screens

Requested features

5 requests
  • Ability to repeat/copy shifts
  • Automatic shift pattern generation
  • Integration with other calendars
  • More customization options
  • Notifications for upcoming shifts

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

In-app purchases

11 purchases

Shift Planning Calendar

One-time11
  • Icon Set [theme01]$0.99
  • Icon Set [theme02]$0.99
  • Icon Set [theme03]$0.99
Show 8 more
  • Icon Set [theme04]$0.99
  • Icon Set [theme05]$0.99
  • Calendar Frame [theme01]$0.99
  • Calendar Frame [theme02]$0.99
  • Calendar Frame [theme03]$0.99
  • Reasonable Icons Set [theme01~05]$2.99
  • Reasonable Calendar Frame Set [theme01~05]$2.99
  • Upgrade$3.99
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

Questions

Is Shift Planning Calendar free?
Shift Planning Calendar is free to download, with in-app purchases available.
Is Calendars free?
Calendars is free to download, with in-app purchases available.
Which has better reviews, Shift Planning Calendar or Calendars?
Shift Planning Calendar is rated higher. Shift Planning Calendar averages 4.7 out of 5 from 816 ratings, while Calendars averages 4.7 from 122K ratings.
Do Shift Planning Calendar or Calendars have ads?
Neither Shift Planning Calendar nor Calendars shows ads.
Which is updated more often, Shift Planning Calendar or Calendars?
Shift Planning Calendar ships an update every 5 weeks, and Calendars weekly. Most recently, Shift Planning Calendar was updated on October 26, 2026 and Calendars on October 28, 2026.

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