Comparison

Calendars vs Smart Tasks

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

Smart Tasks

This app helps you organize tasks, reminders, and daily checklists with a clean, interactive layout. Plan your week, manage deadlines, and stay productive with features like color-coding, widgets, and Apple device integration.

Highlights
  • Color-coded task organization
  • Weekly planner view
  • Home screen widgets
  • Apple device integration
  • Apple Watch app
  • Drag & drop organization
  • Smart notifications
Features
Read full description

Featured in App Store's "Hot This Week" for multiple weeks. Welcome to Smart Tasks: a simple, yet powerful way to get things done! See your whole week in a minimalistic and interactive design. Write down everything from your time-sensitive work to things you just don’t want to forget about. Keep yourself from worrying about what you have to do and start getting things done. Simple. Fast. Intuitive. Built for you! FEATURES • Simple and highly interactive design • Drag and drop to quickly add, reorder, delete, and import tasks • Swipe on any task, category, or date to access quick actions to get things done quicker • Choose between 42 aesthetically pleasing colors for categories • Home screen quick actions • Export/import tasks and categories APPLE SPECIFIC FEATURES • Widgets • Siri AI • Dark mode • Notification quick actions • Add, edit, delete, and view Apple Calendar events • Import reminders from the Apple Reminders app • Control Center and Action Button controls support • Device Handoff when adding tasks and categories • Full VoiceOver support • Smart Notifications • Dynamic font support • App Shortcuts PREMIUM FEATURES • iCloud sync • Reminders in tasks • Daily, weekly, monthly, and after completion routines • Notes in tasks • Week layout • Unlimited categories • Change app’s icon color • Special configuration options • Custom swipe actions • Duplicating tasks • Prioritize today • Link, email, and phone number detection in titles and notes iPad SPECIFIC FEATURES • Multiple window support for categories and tasks • Keyboard Shortcuts • Right-click for quick actions • Drag and drop task files for quick importing • Drag and drop multiple task files SUBSCRIPTION Smart Tasks has a subscription service for premium features. No sign-up needed. Upgrade anytime to Smart Tasks +. Without Smart Tasks +, users will only have access to a limited amount of features. Subscriptions from Smart Tasks + will be charged to your card connected to your iTunes account. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. You can manage your subscription in your account settings after purchase. Any unused time left in a given free trial will be forfeited when purchasing a subscription. For more details please look at: Privacy Policy: https://smarttasksapp.com/privacy/ Terms of Service: https://smarttasksapp.com/terms/ Thank you for using Smart Tasks! I'm constantly updating the app to make it better.

Screenshots

Calendars4 screens
Smart Tasks4 screens

Verdict

The call

Calendars and Smart Tasks both sit at 4.7 stars, but that hides the real split: 79% of Smart Tasks's written reviews are positive against 56% of Calendars's. Calendars's advantage is ratings volume (123K vs 4.5K) and chart position (#136 vs unranked). 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. Calendars sells 18 in-app purchases, starting at $3.99 per month and Smart Tasks sells 5 in-app purchases, starting at $1.99 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 Calendars against 4.7 for Smart Tasks. That said, the two scores are not equally well evidenced: Calendars has 123K ratings behind it against 4.5K, 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 79% of Smart Tasks's.

UpkeepUpdate frequency

Calendars ships an update weekly, Smart Tasks fortnightly. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

Scorecard4 real differences · 7 level
Calendars versus Smart Tasks: the parameters behind the verdict, then further details
ParameterCalendarsSmart Tasks
PriceFreeFree
Rating4.7 (123K ratings)4.7 (4.5K ratings) — better
Positive reviews55.8% of reviews79.2% of reviews — better
Number of ratings123K — better4.5K
Update frequencyWeekly — betterFortnightly
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
Best chart rank#136 — better—
DevicesiPhone, iPad, Mac, Apple WatchiPhone, iPad, Mac, Apple Watch
Requires iOS18.217.0 — better
Further details — not scored
Size413 MB73 MB
Age rating4+4+
DeveloperReaddle Technologies LimitedFrancesco Prospato

Customer experience

Calendars

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

Smart Tasks

All ratings4,515 ratings
Positive93.7%
Neutral3.2%
Negative3.1%
Written reviews390 reviews
Positive79.2%
Neutral6.7%
Negative14.1%

User reviews

Calendars

From 123K 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

Smart Tasks

From 4.5K App Store ratings

What we love

  • 🚀 Intuitive and easy to use
  • 👍 Visually appealing and customizable
  • 🎨 Effective color-coding and categorization
  • 🗓️ Helpful widget and calendar integration
  • 💻 Seamless sync across devices

Room to improve

  • 🔒 Subscription required for full features
  • 📆 Missed tasks automatically pushed to next day
  • 🔍 Lack of monthly view for tasks
  • 🔀 Issues with task order syncing across devices

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

Smart Tasks

Reported bugs

2 issues
  • Syncing issues causing tasks to reorder or disappear
  • Subscription cancellation problems

Requested features

5 requests
  • Option to display completed tasks
  • Ability to delay or snooze tasks
  • Integration with more calendar/reminder apps
  • Monthly view for tasks
  • Keyboard shortcuts for quick task entry

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
5 purchases

Smart Tasks

Subscriptions5
  • Smart Tasks +$1.991 Month
  • Smart Tasks + (Monthly)$2.991 Month
  • Smart Tasks +$9.996 Months
Show 2 more
  • Smart Tasks +$11.991 Year
  • Smart Tasks + (Annual)1 Year trial$17.991 Year

Questions

Is Calendars free?
Calendars is free to download, with in-app purchases available.
Is Smart Tasks free?
Smart Tasks is free to download, with in-app purchases available.
Which has better reviews, Calendars or Smart Tasks?
Smart Tasks is rated higher. Calendars averages 4.7 out of 5 from 123K ratings, while Smart Tasks averages 4.7 from 4.5K ratings.
Do Calendars or Smart Tasks have ads?
Neither Calendars nor Smart Tasks shows ads.
Which is updated more often, Calendars or Smart Tasks?
Calendars ships an update weekly, and Smart Tasks fortnightly. Most recently, Calendars was updated on November 1, 2026 and Smart Tasks on October 29, 2026.

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