Comparison

Calendars vs Schedule

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 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

About

Schedule

This app helps you plan your work and life efficiently with a simple and flexible schedule. It focuses on daily plans, task management, and timeline visualization, offering features like reminders and data statistics.

Highlights
  • Daily task management
  • Timeline visualization
  • Task reminders
  • Data backup and restore
  • Category statistics
  • Theme background switching
Features
Read full description

Simple and flexible schedule planning software can help you plan your work and life efficiently. The catfish schedule implements the consistent simple style of CatCarp, abandons the cluttered functions, highlights the plan itself, and a daily plan is the main function. The homepage defaults to display the plan selections of the last 10 days, the date of the previous day, yesterday, today and the next week. More date selections can be operated on the calendar page. The main functions are: create plan, edit plan, copy plan, postpone plan, create category, remove plan, timeline display, date statistics, category statistics, task reminder, data backup, theme background switching, etc. · Manage daily tasks Daily task arrangement, when there are many tasks and time management is chaotic, use the catfish plan to list them one by one, you can intuitively see the name of the task and the task time period, and you can also set a reminder, don't worry about missing time Situations that lead to overlapping tasks. · Timeline management On the calendar page, the daily tasks will be displayed in the form of a timeline. The time will be displayed from top to bottom. The tasks at the same time point will be arranged left and right. day task · Task Statistics It supports the selection of actual months for time statistics and classified statistics, and can count the workload of each day under each month, or the usage time of each type of task in the current month. It is displayed in the form of a bar chart, and the height represents the amount of time, and the time difference of each day and each category is compared horizontally. · other Set reminders for task start times, sync and restore data, switch themes, create new categories, community exchanges and feedback, and more. The in-app icon comes from Icons8 — Contact and Feedback — If you have any questions or suggestions about the product, please contact us In-app: "Community Communication" on more pages of the app Public number: Catfish Notes Weibo: Cat Fish Notes Email: catcarp@163.com

Screenshots

Calendars4 screens
Schedule4 screens

Verdict

The call

The clearest difference is price: Calendars at Free against Schedule's $6.99. Calendars also leads on ratings volume (122K vs 13) and update cadence (every 11 days vs every 5 weeks). Schedule's advantage is iOS requirement (12.0 vs 18.2). On rating, 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

Calendars is free to download; Schedule costs $6.99 up front. Calendars sells 18 in-app purchases, starting at $3.99 per month and Schedule sells 2 in-app purchases, starting at $1.99 per year. 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 Calendars against 4.6 for Schedule. That said, the two scores are not equally well evidenced: Calendars has 122K ratings behind it against 13, so its average is the more settled of the two.

UpkeepUpdate frequency

Calendars ships an update every 11 days, Schedule every 5 weeks. The most recent releases landed on September 27, 2026 and June 10, 2026 respectively.

Scorecard6 real differences · 5 level
Calendars versus Schedule: the parameters behind the verdict, then further details
ParameterCalendarsSchedule
PriceFree — better$6.99
Rating4.7 (122K ratings) — better4.6 (13 ratings)
Positive reviews55.4% of reviews—
Number of ratings122K — better13
Update frequencyEvery 11 days — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterPaid
Best chart rank#121 — better—
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad, iPod
Requires iOS18.212.0 — better
Further details — not scored
Size408 MB20 MB
Age rating4+4+
DeveloperReaddle Technologies Limited依雯 黄

Customer experience

Calendars

All ratings121,813 ratings
Positive93.8%
Neutral3.1%
Negative3.1%
Written reviews1,252 reviews
Positive55.4%
Neutral8.9%
Negative35.8%

Schedule

All ratings13 ratings
Positive92.3%
Neutral0.0%
Negative7.7%

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

Schedule

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
2 purchases

Schedule

Subscriptions1
  • 一年期会员$1.991 Year
One-time1
  • 猫鱼日程永久会员$9.99

Questions

Is Calendars free?
Calendars is free to download, with in-app purchases available.
Is Schedule free?
Schedule costs $6.99, and also offers in-app purchases.
Which has better reviews, Calendars or Schedule?
Calendars is rated higher. Calendars averages 4.7 out of 5 from 122K ratings, while Schedule averages 4.6 from 13 ratings.
Do Calendars or Schedule have ads?
Neither Calendars nor Schedule shows ads.
Which is updated more often, Calendars or Schedule?
Calendars ships an update every 11 days, and Schedule every 5 weeks. Most recently, Calendars was updated on September 27, 2026 and Schedule on June 10, 2026.

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