6 Best Calendar Apps for iOS [Free & Paid]

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If you use an iPhone and rely on your calendar to stay organized, having the right app can make life easier.

Whether you’re a professional, a student, or a parent managing multiple schedules, a good calendar app can help keep everything on track.

Here are some of the best calendar apps for iOS, with both free and paid options. These apps work well with iPhones, offering easy syncing with other Apple devices, helpful reminders, and simple layouts. 

Whatever you need in a calendar app, there’s an option here that can help you stay organized right from your iPhone.

What are The Best Calendar Apps for iOS?

Here are the best calendar apps for iOS that you might consider today. We’ll cover each app’s main features, pricing, and user reviews to help you find the perfect calendar app for your iPhone. 

Below are the best calendar apps for iOS:

1. Apple Calendar

Apple Calendar iOS

Apple Calendar is the pre-installed calendar on iPhones, featuring an intuitive design with user-friendly views and easy syncing with Outlook Calendar, Google, and more.

Main Features

  • Calendar View: You can switch between day, month, and year views easily. The “Today” view gives you a quick look at your daily events, while you can zoom out for a broader view of your schedule whenever you need.

  • Block Time:  Apple Calendar lets you block time for meetings, tasks, and personal activities. You can plan your day by setting specific time slots for each activity, helping you stay organized and on track.

  • Integrated Maps for Travel Alerts: Apple Calendar works with Apple Maps to give you smart travel time alerts. It takes live traffic into account and even reminds you when it’s time to leave so you can arrive on time.

  • Calendar Sharing and Delegation: You can share specific calendars with family or colleagues and delegate control, allowing others to add, edit, or view events as needed.

  • Home Screen Widgets: The app offers six widget options, allowing you to view your schedule at a glance on the home or lock screen.

Pricing

Apple Calendar is completely free and pre-installed on iPhones, making it an accessible option for most users.

Integrations

  • Calendar Integrations: iCloud Calendar syncs with Google Calendar and other popular calendars like Microsoft Outlook.

  • Other Integrations: Integrates with Apple Maps for travel time alerts and location-based reminders, plus Siri for hands-free event creation.

User Rating

Apple Calendar has a high rating of 4.9 out of 5 on the Apple App Store.

If you want more features than Apple Calendar offers, try a third-party app like OneCal. It gives you better calendar views, real-time notifications, and more integrations, making it easier to stay organized. Try OneCal for free!

2. Fantastical

Fantastical iOS

Fantastical is a popular calendar app for iPhone, combining intuitive design with advanced features.

Main Features

  • Calendar Sets for Focused Viewing: You can create separate calendar sets for different areas of your life—like work, family, and personal—and switch between them whenever you need a more focused view.

  • Integrated Tasks and Reminders: Fantastical includes task management with Apple Reminders, Google Tasks, and Todoist support, so you can view tasks alongside calendar events.

  • Advanced Collaboration and Scheduling: The app supports invitee lookup for services like G Suite and Exchange, simplifying scheduling for groups and meetings.

  • Customizable Alerts and Notifications: You can set custom notifications for specific events, ensuring you never miss an important reminder.

  • Attachment Support for Google Events: You can attach documents, links, or files to Google Calendar events within the app for easy access during meetings.

Pricing

Fantastical offers flexible plans:

  • For Individuals: $4.75/month (billed annually), giving access to all features.

  • For Families (up to 5 members): $7.50/month (billed annually), ideal for sharing with family members.

Integrations

  • Calendar Integrations: Fantastical works with iCloud, Google Calendar, Microsoft Outlook, and Exchange to sync all events.

  • External App Integrations: The app supports Apple Reminders, Google Tasks, and Todoist for integrated task management. It also connects with Zapier for automation with hundreds of other apps.

User Rating

Fantastical has a rating of 3.9 out of 5 on the Apple App Store, with more than 50,000 reviews.

Fantastical will automatically integrate with your OneCal events. This way, you can sync all your calendars using OneCal, then use Fantastical to view all your calendars and see the original events, not duplicates.

3. Google Calendar

Google Calendar iOS

Google Calendar is a good choice for those who rely on Google Workspace, offering easy integrations and a clean, straightforward design.

Main Features

  • Automatic Event Addition: Google Calendar automatically adds events like reservations, flights, and meetings from Gmail, saving you time and effort on manual entry.

  • Task and Reminder Integration: You can view and manage tasks from Google Tasks, with both tasks and events shown in one place for easy management.

  • Multiple Calendar Views: The app lets you choose between day, week, or month views, so you can check your schedule from different perspectives.

  • Event Attachments: You can attach files directly to calendar events from Google Drive for easy access to important documents.

  • Personalized Notifications and Reminders: You can set up multiple reminders for any event and choose how you want to be notified, whether through email or push notifications across all your devices.

Pricing

Google Calendar is free for personal use, allowing users to manage schedules and sync with Gmail, Google Drive, and other Google services.

For businesses, Google Calendar is part of Google Workspace and includes extra features for team collaboration. Here’s the pricing for Google Workspace:

  • Business Starter: $6 per user per month

  • Business Standard: $12 per user per month

  • Business Plus: $18 per user per month 

  • Enterprise: Contact for pricing

Integrations

  • Calendar Integrations: You can sync your calendar with the Google Workspace suite, including Gmail, Google Meet, and Google Drive.

  • External App Integrations: The app lets you connect to Zoom and other conferencing tools for quick video links, plus integrates with Zapier for workflows across apps like Trello, Slack, and more.

User Rating

Google Calendar has a high rating of 4.6 out of 5 on the Apple App Store.

Want to Sync Google Calendar with Your iPhone?
Check out our guide on how to sync Google Calendar with your iPhone. We’ll also cover the pros and cons of each method.

4. Outlook Calendar

Outlook Calendar iOS

Outlook Calendar is perfect for users who want to keep both work email and calendar in a single app, especially if they already use Outlook for email.

Main Features

  • Unified Email and Calendar View: You can manage both your email and calendar in one app, making it easy to keep everything in one place. 

  • Cross-Platform Syncing: You can sync your calendar across iPhone, Windows, and other devices, which is perfect if you’re using multiple platforms.

  • Customizable View Options: The app lets you choose from different views—like agenda, day, or month—so you can see your schedule in a way that works best for you.

  • Automated Event Tracking: Outlook Calendar integrates with Bing for location tracking and automatic updates for travel-related events.

  • Collaborate with Shared Calendars: Outlook lets you set up shared calendars, making it easy to coordinate schedules with family, friends, or coworkers.

Pricing

Microsoft Outlook is part of the Microsoft 365 subscription plans, which also include access to other Microsoft Office apps and extra features. Here’s the pricing:

  • Microsoft 365 Personal: $6.99 per month or $69.99 per year (for a single user).

  • Microsoft 365 Family: $9.99 per month or $99.99 per year (covers 1 to 6 users).

Integrations

User Rating

Microsoft Outlook Calendar holds a rating of 4.8 out of 5 on the Apple App Store.

Keep Your Outlook Calendar in Sync on Your iPhone! Learn how to sync your Outlook Calendar with your iPhone so all your appointments and events stay updated across devices.

5. Notion Calendar

Notion Calendar iOS

With Notion Calendar (formerly Cron), you get well-designed calendar management and flexible scheduling features, making it ideal for users who work across time zones or frequently collaborate.

Main Features

  • Quick Access from the Menu Bar: You can view your complete schedule from the menu bar without opening the calendar app.

  • Scheduling Links: Notion Calendar supports Scheduling Links, letting others easily book appointments with you through a shared link.

  • Time Zone Management: Notion Calendar has built-in time zone features that automatically adjust event times, so it’s easy to collaborate across regions.

  • Available in Multiple Languages: The app supports 12 languages, including Japanese, Korean, Spanish, and Danish, with more on the way.

Pricing

Notion Calendar is available as part of Notion's subscription plans:

  • Free: Ideal for individuals to organize personal projects and tasks.

  • Plus: $12 per seat/month - Best for small teams and professionals collaborating together.

  • Business: $18 per seat/month - Suitable for growing businesses to streamline teamwork and coordination.

  • Enterprise: Contact sales for pricing - Designed for large organizations needing advanced scalability, control, and support.

Integrations

  • Calendar Integrations: Notion Calendar syncs with Google Calendar and iCal, keeping your events up-to-date across platforms.

  • Other App Integrations: The app integrates directly with the Notion workspace, allowing you to link events with Notion documents, tasks, and project deadlines. Notion Calendar also supports Zoom and Google Meet for automatic video conferencing links and allows automation through Zapier for seamless connections with tools like Trello, Slack, and Asana.

User Rating

Notion Calendar maintains a high rating on the Apple App Store of 4.8 out of 5.

6. BusyCal

BusyCal iOS

BusyCal offers powerful customization options and advanced scheduling features, making it suitable for users who want control over their calendar layout and reminders.

Main Features

  • Customizable Views: BusyCal allows users to adjust the layout of day, week, and month views for a personalized experience.

  • Integrated To-Do Lists and Reminders: The app lets you see tasks and reminders right alongside your events so you can manage your schedule and to-dos all in one place.

  • Natural Language Processing: You can create events by typing phrases just like you’d say them. For instance, if you type, “Meeting with Alex next Wednesday at 3 p.m.,” the app will automatically add it to your calendar. 

  • Event Color Coding and Tags: BusyCal lets you add colors and tags to your events so you can organize your schedule visually. 

Pricing

BusyCal provides a simple one-time pricing model, suitable for users seeking calendar features without ongoing costs:

  • BusyCal: $49.99 for a perpetual single-user license.

  • BusyContacts: $49.99 for a perpetual license, available for single or multi-users.

  • BusyCal + BusyContacts Bundle: $79.98 for both apps with a perpetual license.

Integrations

  • Calendar Integrations: The app syncs with iCloud, Google Calendar, and Exchange for comprehensive calendar access.

  • External App Integrations: BusyCal integrates with Apple’s Reminders app for task management and supports automation through Zapier.

User Rating

BusyCal holds a solid rating of 4.5 out of 5 on the App Store.

Start Managing Your Calendars with OneCal

If you're ready to take control of your schedule and manage everything from one easy-to-use platform, OneCal has you covered.

Whether you’re balancing work, personal commitments, or team projects, OneCal’s features and integrations make sure you’re always on top of things.

Start your free trial with OneCal today and experience how effortless scheduling can be!