Comparison

Calendars vs Agenda!

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

Agenda!

Easily create and share personalized schedules with friends and colleagues. Organize your days with color-coded lessons, notes, and a simple interface. Future updates will enable real-time sharing and automatic updates for collaborators.

Highlights
  • Create and share schedules
  • Color-coded lessons
  • Add notes to events
  • Simple interface for organization
  • Real-time sharing (coming soon)
  • Automatic updates for collaborators (coming soon)
Features
Read full description

Create and share your schedule with others, create lessons with colors and notes, and with a simple interface sort them out through the days.

Screenshots

Calendars4 screens
Agenda!4 screens

Verdict

The call

The clearest difference is rating: Calendars at 4.7 against Agenda!'s 2.3. Calendars also leads on review sentiment (56% vs 25%) and update cadence (weekly vs every 55 months). Agenda!'s advantage is in-app purchases (none vs 10). On price 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 10 in-app purchases, starting at $3.99 per month. Agenda! asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Calendars holds the better App Store score, 4.7 against 2.3. 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 25% of Agenda!'s.

UpkeepUpdate frequency

Calendars ships an update weekly, Agenda! every 55 months. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.

Scorecard9 real differences · 2 level
Calendars versus Agenda!: the parameters behind the verdict, then further details
ParameterCalendarsAgenda!
PriceFreeFree
Rating4.7 (123K ratings) — better2.3 (3 ratings)
Positive reviews56.0% of reviews — better25.0% of reviews
Number of ratings123K — better3
Update frequencyWeekly — betterEvery 55 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
Best chart rank#103 — better—
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad
Requires iOS18.2 — better27.0
Further details — not scored
Size413 MB5 MB
Age rating4+4+
DeveloperReaddle Technologies LimitedJacob Hanna

Customer experience

Calendars

All ratings122,497 ratings
Positive93.8%
Neutral3.1%
Negative3.1%
Written reviews1,313 reviews
Positive56.0%
Neutral8.7%
Negative35.3%

Agenda!

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

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

Agenda!

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Calendars

Subscriptions6
  • 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 3 more
  • Calendars PRO 1 Year7 Days trial$19.991 Year
  • Calendars PRO 1 Year1 Year trial$19.991 Year
  • Calendars PRO 1 Year7 Days trial$21.991 Year
One-time4
  • Smart Input Upgrade$1.99
  • My schedule planner, Organizer$6.99
  • Full Pack$12.99
Show 1 more
  • Recurring Events$31.99
None

Agenda!

No in-app purchases

Questions

Is Calendars free?
Calendars is free to download, with in-app purchases available.
Is Agenda! free?
Agenda! is free to download, with no in-app purchases.
Which has better reviews, Calendars or Agenda!?
Calendars is rated higher. Calendars averages 4.7 out of 5 from 123K ratings, while Agenda! averages 2.3 from 3 ratings.
Do Calendars or Agenda! have ads?
Neither Calendars nor Agenda! shows ads.
Which is updated more often, Calendars or Agenda!?
Calendars ships an update weekly, and Agenda! every 55 months. Most recently, Calendars was updated on November 10, 2026 and Agenda! on November 6, 2026.

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