Comparison

Calendars vs ClickUp

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

ClickUp

This platform consolidates all your work software, team communication, and AI tools into a single, flexible workspace. It helps you manage projects, track time, collaborate, and leverage AI for enhanced productivity and efficiency.

Highlights
  • Unified workspace for tasks, chat, and docs
  • AI Super Agents for CRM and tasks
  • Brain AI Assistant
  • Scheduling and time tracking
  • Project management tools
  • Team communication and collaboration
  • Whiteboards and dashboards
Features
Read full description

ClickUp is the world's most productive platform: all software, humans, and AI Agents - in one place.   Maximize productivity by replacing all software and all AI with one app that's famously flexible and perfectly personalized for you: • Project Management • Team Communication • AI Super Agents™ • Scheduling & Time Tracking • Brain AI Assistant • Docs & Wikis • AI Meetings & Calls • Sprints, CRM, and ITSM • Whiteboards & Dashboards • Files & Approvals + 50 more   Over 20 million from the world's most innovative teams trust ClickUp for unprecedented productivity, collaboration, and alignment.   • Orchestrate every project, task, and conversation from a single, unified workspace • Break down silos – bring every team, tool, and process together • Replace dozens of work apps with one platform • Replace ChatGPT with one AI super app, connected to context • Collaborate without boundaries – brainstorm, sync, and chat in real time, anywhere • Track time, budgets, and resources with perfect precision • Seamlessly manage every customer relationship and close deals faster with AI Super Agents • Approve files, contracts, proposals, and quotes with a single click.   ClickUp gives you superpowers to work smarter, move faster, and accomplish more than humanly possible.

Screenshots

Calendars4 screens
ClickUp4 screens

Verdict

The call

The clearest difference is in-app purchases: ClickUp at none against Calendars's 20. Calendars's advantage is review sentiment (56% vs 39%) and ratings volume (122K vs 10K). On price, rating, update cadence and ads 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. ClickUp asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Calendars against 4.7 for ClickUp. That said, the two scores are not equally well evidenced: Calendars has 122K ratings behind it against 10K, so its average is the more settled of the two. Written reviews are what separate them: 56% of Calendars's written reviews are positive against 39% of ClickUp's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. Both last shipped on October 30, 2026.

Scorecard5 real differences · 6 level
Calendars versus ClickUp: the parameters behind the verdict, then further details
ParameterCalendarsClickUp
PriceFreeFree
Rating4.7 (122K ratings) — better4.7 (10K ratings)
Positive reviews55.8% of reviews — better39.2% of reviews
Number of ratings122K — better10K
Update frequencyWeeklyWeekly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#115 — better—
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad, Apple Watch
Requires iOS18.217.4 — better
Further details — not scored
Size413 MB312 MB
Age rating+44+
DeveloperReaddle Technologies LimitedMango Technologies, Inc.

Customer experience

Calendars

All ratings122,467 ratings
Positive93.8%
Neutral3.1%
Negative3.1%
Written reviews1,286 reviews
Positive55.8%
Neutral8.6%
Negative35.6%

ClickUp

All ratings9,947 ratings
Positive92.7%
Neutral2.2%
Negative5.1%
Written reviews1,177 reviews
Positive39.2%
Neutral12.5%
Negative48.3%

User reviews

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

ClickUp

From 10K App Store ratings

What we love

  • 🚀 Excellent mobile app
  • 👍 Intuitive and user-friendly interface
  • 🚀 Seamless integration with desktop version
  • 👍 Highly customizable and flexible
  • 🚀 Powerful project management features

Room to improve

  • 🐛 Buggy and glitchy mobile app
  • 🔍 Limited functionality compared to desktop version
  • 🔍 Unintuitive navigation and layout on mobile
  • 🐛 Sync and sync issues between mobile and desktop
  • 🔍 Lack of customization options on mobile

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

ClickUp

Reported bugs

5 issues
  • Tasks not displaying correctly
  • Frequent app crashes and freezes
  • Login and authentication issues
  • Syncing problems between devices
  • Inconsistent performance and responsiveness

Requested features

5 requests
  • Ability to customize home screen and views
  • More integration with calendar and scheduling
  • Improved mobile-specific features and functionality
  • Better offline support and sync capabilities
  • Accessibility improvements for users with disabilities

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
None

ClickUp

No in-app purchases

Questions

Is Calendars free?
Calendars is free to download, with in-app purchases available.
Is ClickUp free?
ClickUp is free to download, with no in-app purchases.
Which has better reviews, Calendars or ClickUp?
Calendars is rated higher. Calendars averages 4.7 out of 5 from 122K ratings, while ClickUp averages 4.7 from 10K ratings.
Do Calendars or ClickUp have ads?
Neither Calendars nor ClickUp shows ads.
Which is updated more often, Calendars or ClickUp?
Calendars ships an update weekly, and ClickUp weekly. Most recently, Calendars was updated on October 30, 2026 and ClickUp on October 30, 2026.

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