Staying on top of your schedule isn’t easy when you’re juggling meetings, tasks, and time zones. Without a reliable calendar app, it’s all too easy to miss a call or double-book your day. The right tool doesn’t just keep you organized; it helps you take back control of your time.
That’s why choosing the best calendar app for your needs is essential.
In this guide, we’ll walk you through the top calendar apps of 2025. Whether you’re looking for the best free calendar app, something that syncs effortlessly with Google, or a smart way to combine work and personal schedules, we’ll help you find the perfect fit.
What makes the best calendar apps?
Is it a clean design, smart collaboration tools, or easy access from any device? The best calendar apps combine several key features that make scheduling not just simpler, but truly effortless and effective. Here’s what really counts:
Seamless syncing across devices
These days, we jump between phones, laptops, and tablets constantly. A great calendar app keeps everything perfectly in sync, no matter where you check or update your schedule. When you make a change on one device, it instantly shows up everywhere else, so you’re never caught off guard by double bookings or missed meetings.
This kind of smooth syncing is essential, whether you're working remotely, in the office, or on the frontline. It means your calendar is always up to date and reliable, no matter which device you're using.
An intuitive experience that just works
Nobody wants to wrestle with complicated menus or clunky controls when adding or adjusting events. The best calendar apps feel natural to use. You can quickly create meetings, drag events around, and get timely reminders without any fuss.
Some even let you type out event details like a casual message like “Lunch with Sarah Thursday at noon” and instantly turn that into a scheduled appointment. This cuts down on the time and mental effort it takes to manage your day.
Built-in collaboration for smoother teamwork
In today’s work culture, calendars aren’t just for personal scheduling—they’re essential for team and global collaboration. The best calendar apps make it easy to coordinate with colleagues, share availability, and schedule meetings that work for everyone, no matter where they are.
Strong collaboration features eliminate back-and-forth emails and keep teams aligned. When your calendar connects seamlessly with your communication and project tools, decisions get made faster, and global teams stay in sync.
Smart automation to save your time
Modern calendar apps go beyond simple scheduling, they help you work smarter. AI-powered suggestions can recommend the best times for meetings, automatically detect conflicts, and even pull event details straight from your emails.
This kind of intelligent assistance takes the stress out of managing your day, freeing you up to focus on what really matters instead of juggling logistics.
Mobile-first design and reliable notifications
With so many of us always on the move, a calendar mobile app needs to perform flawlessly on smartphones and tablets. That means fast, clear access to your schedule—even offline—and notifications that remind you just enough without overwhelming you.
When your calendar keeps pace with your busy lifestyle—offering the right info at the right time—it becomes less of a task manager and more of a trusted assistant.
Best calendar apps at a glance
Lark Calendar - Best overall business calendar app
Google Calendar - Best for Google Workspace users
Microsoft Outlook Calendar - Best for Microsoft Teams users
Apple Calendar - Best for iOS/macOS users
Fantastical - Best for design
Calendly - Best for appointment scheduling
Morgen Calendar - Best for task integration
Reclaim.ai - Best for automation
The 8 best calendar apps
Lark Calendar
Starting our list of the best calendar apps is Lark Calendar, designed for modern teams who need more than just a place to book meetings. Whether you're coordinating across time zones, juggling packed schedules, or managing room availability, Lark Calendar makes it effortless to stay in sync and get work done with its calendar management tools. It’s built to simplify scheduling and keep your team aligned without the usual back-and-forth.
More than a standalone tool, Lark Calendar is deeply integrated into the Lark superapp—bringing together messaging, video meetings, project management, document collaboration, and workflows into one connected experience. That means scheduling isn't a separate task; it’s part of your team’s natural flow of work.
For example, while chatting in Lark Messenger, you can check availability and schedule meetings without switching apps. Invite entire teams in one click, attach agenda docs or pre-reading, and launch Lark Meetings directly from your calendar when it’s time to talk. It’s time management, reimagined for productivity.
Key features:
Find the time that works: Skip the scheduling ping-pong when sending event invitations. Compare team members' calendars side by side—right in your chat—and find a common slot in seconds. View everyone's local timezone, so you book a time that works for everyone.
Book meeting rooms easily: Work in an office with meeting rooms? You can set up Lark so that you can reserve those meeting rooms directly while scheduling events in Lark Calendar. If a room is booked, it’s automatically blocked from others—no conflicts, no coordination headaches.
Stay on top of meetings and deadlines: Easily view all your scheduled meetings and task deadlines in one place. Your calendar shows when teammates have booked your time and all event details. You can also choose to display task deadlines on your calendar, helping you manage your time more effectively.
Best calendar app for scheduling: Lark’s built-in Scheduler lets you share your availability so others can book meetings in just a few clicks. Great for demos, interviews, customer calls, and more—no back-and-forth needed.
Host meetings without leaving the platform: Lark Meetings is seamlessly integrated with Lark Calendar, which means you can book based on everyone's availability and then start a video call with one click—no need for Zoom, no app-switching, and no setup delays.
Follow schedules and events: Subscribe to shared calendars for editorial schedules, app launches, or town halls—so your team never misses a key milestone. Want to filter out events? Just select which personal and work calendars you wish to use.
Syncs with external calendars: Connect Lark with Google, Outlook, Exchange, Hotmail, or local calendars to manage everything in one unified view.
Transform collaboration: Lark Calendar is just one part of a complete work hub. Chat, schedule, meet, assign tasks, edit docs, and manage projects—all in the same workspace. No context switching, no dropped details—just streamlined collaboration that moves work forward.
Lark pricing:
Starter plan: Free plan that includes 11 powerful tools for up to 20 users. It also comes with 100GB of storage, 1000 automation runs, AI translations, and more.
Pro plan: $12/user/month (billed annually) for up to 500 users. It includes everything in Starter plus group calling for up to 500 attendees, 15TB of storage, 50,000 automation runs, and more.
Enterprise plan: Contact Sales for custom pricing. Supports unlimited users and includes even more automation runs and advanced security, compliance, and management features.
Google Calendar
Google Calendar has earned its position as one of the most widely-used Google apps around. Unlike other calendar apps, it's designed for seamless integration with Google Workspace (formerly G Suite), which makes it easy to create events, coordinate across time zones, and manage your day from anywhere.
Image source: onecal.io
Whether you’re booking a 1:1 or planning a company-wide meeting, Google Calendar offers smart features for scheduling calendar events. With real-time syncing across devices and integration with Gmail, Meet, and other Google tools, it’s a solid choice for businesses.
Key features:
Smart scheduling: Automatically find available times that work for everyone. Suggest meeting slots based on attendees’ availability.
Integrated video conferencing: Add Google Meet video links to calendar events with one click, making it easy to host virtual meetings.
Seamless Gmail integration: Automatically add events to your calendar based on Gmail conversations (e.g., flight bookings or reservations).
Connects with Google Workspace: If your team is already using Google Workspace for collaboration, then Google Calendar’s seamless integration with the platform makes it an obvious choice for your team.
Google Calendar pricing:
Google Calendar is free for personal use with a Google account. For business use, it’s included in all Google Workspace pricing plans.
Microsoft Outlook Calendar
Microsoft Outlook Calendar is a powerful scheduling tool built into Outlook and Microsoft 365, designed to help individuals and teams manage meetings, deadlines, and events with ease. Whether you're coordinating across departments or planning your day, Outlook Calendar keeps everything organized in one place.
Image source: boostitco.com
Seamlessly integrated with email, contacts, and Microsoft Teams, it allows you to book meetings, check coworker availability, and reserve meeting rooms—all without leaving your workflow. Outlook Calendar also supports shared calendars, automated reminders, and cross-time zone scheduling, making it ideal for both in-office and remote teams.
Key features:
Integrated with email and teams: Schedule and join meetings directly from Outlook or Microsoft Teams, with full visibility into attendees’ availability.
Shared and group calendars: Create shared calendars for departments, projects, or resources to keep teams aligned and informed.
Recurring events and reminders: Easily set up recurring meetings and get automatic reminders so nothing is forgotten.
Calendar sharing and permissions: Share your calendar with others and control what they can see or edit.
Outlook Calendar pricing:
Outlook Calendar is included with all Microsoft 365 plans. Here are some common business plans that include Outlook and Outlook Calendar:
Microsoft 365 Business Basic: $6 per user/month
Microsoft 365 Business Standard: $12.50 per user/month
Microsoft 365 Business Premium: $22 per user/month
Apple Calendar
Apple Calendar is a built-in scheduling tool available across macOS, iOS, and iPadOS devices. Designed as a simple calendar app with Apple’s signature elegance, it helps individuals manage their time effortlessly—whether it’s booking meetings, setting reminders, or keeping track of personal events.
Image source: medium.com
Integrated deeply with other Apple apps like Mail, Messages, and Siri, Apple Calendar offers seamless scheduling across all your Apple devices. It supports multiple calendar views, shared calendars, event alerts, and natural language input, allowing users to add and edit events quickly—just by typing or speaking. And with iCloud sync, it's considered the best iPhone calendar app for those who also use an iPad and MacBook for scheduling.
Key features:
iCloud sync across devices: Your calendar updates in real time across iPhone, iPad, Mac, Apple Watch, and even via iCloud on the web.
Support for external calendars: Sync with Google Calendar, Outlook, Exchange, Yahoo, and CalDAV to manage everything in one place.
Integration with Apple ecosystem: Automatically add events from Mail and Messages, use Siri to create or adjust events, and receive calendar notifications on all your devices.
Color-coded calendars: Organize personal, work, and shared calendars with color labels for quick visual reference.
Apple Calendar pricing:
Apple Calendar is a free calendar app that comes pre-installed on all Apple devices. There are no subscription fees. iCloud syncing is also free for up to 5 GB of storage; additional iCloud+ plans are available if more storage is needed.
Fantastical
Fantastical has established itself as one of the best calendar software choices for users who demand exceptional design, powerful natural language processing, and advanced productivity features.
Image source: techcrunch.com
Key features:
Natural language processing: Users can type complex scheduling requests and watch the app automatically parse dates, times, locations, and recurring patterns with remarkable accuracy.
Switch calendars: Quickly switch between different calendar groupings—showing only work calendars during business hours or personal calendars during evenings and weekends.
Customization options: The interface is highly customizable, allowing users to adjust views, colors, and layouts to match their workflow preferences.
Weather and time zone integration: Provides context for outdoor events and travel planning, while the app’s time zone support goes beyond basic functionality to include meeting time optimization across multiple zones.
Fantastical pricing:
Free plan: Basic calendar app features, including event creation and syncing across devices.
Paid plans: $4.75 per user/month. Lets you manage any number of users and unlocks advanced features.
Calendly
Calendly has revolutionized appointment scheduling by automating the traditionally time-consuming process of coordinating meetings between multiple parties. The platform works best as a complement to existing calendar systems rather than a replacement.
Image source: aubergine.co
Key features:
Automated scheduling: Users can set their availability preferences, share personalized booking links, and allow others to schedule appointments based on real-time availability.
Integration capabilities: The calendar app integrates with external calendars from Google Calendar, Outlook Calendar, and Apple Calendar, ensuring scheduling decisions consider existing commitments across all calendar systems.
Payment features: Besides basic calendar services, it offers advanced features, including payment processing through Stripe and PayPal, enabling service providers to collect fees during the booking process.
Team scheduling functionality: Allows organizations to distribute appointments across multiple team members based on availability, expertise, or workload balancing.
Calendly pricing:
Free plan: Basic scheduling, unlimited one-on-one events, and calendar integrations.
Standard plan: $8 per user/month. Includes unlimited event types, 24/7 chat support, and connects to Stripe and PayPal.
Teams plan: $16 per user/month. Includes advanced admin features and can connect to HubSpot, Marketo, and Pardot.
Enterprise plan: Custom pricing—includes advanced security features, team management tools, and dedicated support.
Morgen Calendar
Morgen Calendar combines calendar and task management in one easy-to-use platform. Instead of treating events and tasks separately, it shows both on a single timeline, helping you stay organized and on top of your schedule.
Image source: efficient.app
Key features:
Streamline scheduling: Easily schedule meetings and tasks in one place, ensuring no overlapping commitments or missed deadlines.
Sync events: Sync your calendar across all devices and platforms, so your appointments and tasks are always up-to-date.
Integrated task management: View and manage your tasks directly within the calendar, making it easy to prioritize your work alongside your scheduled events.
Collaborative scheduling: Share your calendar with teammates to coordinate and avoid scheduling conflicts.
Morgen Calendar pricing:
Free plan: Basic calendar management and Google Calendar sync.
Team plan: $20 per user/month. Includes time blocking, unlimited calendars, automations, and more.
Reclaim.ai
As one of the more interesting calendar options on the market, Reclaim.ai pushes calendar automation to new levels by using artificial intelligence to optimize meeting placement, protect focus time, and automatically adjust schedules based on changing priorities.
Image source: reclaim.ai
Key features
AI tools: AI-driven meeting optimization analyzes participant schedules, preferences, and productivity patterns to suggest optimal meeting times that minimize disruption to deep work periods.
Habit tracking: Automatically creates time blocks for recurring activities like exercise, learning, or strategic thinking, then intelligently moves these blocks when urgent meetings arise.
Manage tasks: You can integrate your project management app, such as Asana or ClickUp, so that if you have a task you need completing in one of these apps, it will import that over so Reclaim can know in which order to schedule your tasks to your calendar.
Reporting: You can receive reporting stats on how your time has been spent, so you know whether you're spending too much or too little time on tasks.
Reclaim.ai pricing:
Free plan: Basic time-blocking and task management for individuals, syncs with Google Calendar.
Starter plan: $8 per user/month. For up to 10 seats (users), 8 week scheduling range, unlimited focus time, and more.
Business plan: $12 per user/month. For up to 100 seats, 12 week scheduling range, webhooks support, and more.
Enterprise plan: $18 per user/month pricing. Tailored solution for large teams or organizations, with advanced features and dedicated support.
Honorable mentions
Beyond the 8 best calendar apps, there are several other cool calendar apps that deserve a shoutout for their unique features and thoughtful designs. Here are a few worth checking out:
Calendar: With a name that says it all, Calendar offers a clean, modern interface and all the essentials for managing your schedule. It also supports collaboration, making it easy to coordinate with others.
Akiflow: Blends calendar and task management into one unified workspace. It’s ideal for users who want to centralize to-dos, events, and time blocking in a distraction-free environment.
Any.do: While best known as a task and to-do list app, Any.do includes a helpful built-in calendar. It’s great for users who prefer to keep tasks and scheduling tightly connected in one place.
Zoho Calendar: A versatile calendar app designed to boost productivity and simplify scheduling. It offers seamless integration with other Zoho apps, keeping your work all in one ecosystem.
Best practices for calendar apps
A well-optimized calendar app is the backbone of productivity. These best practices will help you streamline scheduling, avoid conflicts, and reclaim time.
Multi-calendar management
Calendar consolidation: Use calendar apps that support viewing multiple calendars simultaneously to prevent scheduling conflicts between personal and work commitments.
Color coding systems: Develop consistent color schemes across different calendar types—work meetings in blue, personal appointments in green, family events in yellow. This visual organization helps quickly assess schedule balance and identify potential conflicts.
Calendar separation strategy: Maintain separate calendars for different life areas while ensuring your primary calendar app can aggregate them for comprehensive schedule visibility. This approach enables selective sharing without compromising privacy.
Third-party integration strategies
Task management sync: Linking your calendar app with task management tools like Asana ensures project deadlines appear in your work calendar. This integration helps prevent overcommitment and makes it easier to balance urgent tasks. Even better, choose a calendar app that’s part of an all-in-one workspace—with built-in project management—so everything stays connected by default.
CRM integration: Sales professionals should integrate calendar apps with CRM systems to automatically log client interactions and sync contact information. This eliminates duplicate data entry and improves client relationship management.
Video conferencing integration: Connecting your calendar with video conferencing tools ensures meetings are easy to access directly from your calendar. This saves time and reduces setup errors. Ideally, the tool you use for calendar management should come with seamless video conferencing built in—so you don’t have to rely on multiple apps just to run a simple meeting.
Best practices for calendar efficiency
Time blocking implementation: Use calendar apps to block focused work time, preventing meetings from consuming entire days. Treat these time blocks as seriously as external appointments to protect productivity and prevent burnout.
Buffer time management: Build transition time between meetings to account for travel, preparation, and mental context switching. Even five-minute buffers between virtual meetings can significantly improve focus and reduce stress.
Regular calendar maintenance: Schedule weekly calendar reviews to identify scheduling patterns, remove unnecessary recurring meetings, and optimize upcoming weeks. This proactive approach prevents calendar chaos and maintains intentional time management.
Final thoughts on the best calendar apps
The calendar app you choose should make your life easier—helping you stay organized, manage meetings, and collaborate more effectively. Google Calendar, Outlook, and Apple Calendar are reliable staples, but relying on legacy tools can mean missing out on more modern, integrated experiences that go beyond basic calendar functionality.
That’s why Lark Calendar stands out as the best calendar app available today. It’s free, intuitive, and part of Lark’s all-in-one platform, combining your calendar, docs, chats, projects, workflows, and business systems in one place. Lark helps you cut down on context switching and brings everything your team needs into a single, seamless workspace. If you’re looking for smarter scheduling and a place to combine all your work tools, Lark is a powerful, forward-thinking choice.
FAQs
What is the best free calendar app?
There are several great free options out there. Google Calendar is often the go-to for many, thanks to its integration with Gmail and other Google services. However, Lark also offers a fantastic free plan that includes its next-gen Lark Calendar tool, as well as others for communication and collaboration all in one platform, which is perfect for anyone looking for an all-in-one productivity tool.
What is the most popular calendar system?
The Gregorian calendar is by far the most popular system globally—and it’s the default in nearly all calendar apps. The best calendar applications support this system, along with others like the Chinese calendar, to meet different regional and cultural needs.
Is Google Calendar better than Apple Calendar?
It depends on your ecosystem. Google Calendar offers more flexibility, working across Android, iOS, and the web. It's perfect if you're using multiple devices. On the other hand, Apple Calendar is deeply integrated into the Apple ecosystem, offering smooth experiences for those who exclusively use Apple devices.
What is the best personal calendar app?
For personal use, Apple Calendar is one of the best online calendars if you need to sync events across multiple devices. If you're looking for something that integrates both tasks and events seamlessly, Lark offers a unified platform, combining calendar management with task tracking, instant messaging, project management, and more—great for individuals managing both personal and work schedules.
What is the best calendar app for business users?
The best work calendar app for small businesses as well as enterprises is one that’s deeply integrated with the rest of their work tools. Lark Calendar stands out because it’s fully built into the Lark platform—so your calendar, chat, docs, tasks, and workflows all work together in real time. This total integration reduces app switching and makes team coordination seamless.
What's the best Apple Calendar alternative for Apple users?
For Apple users seeking an alternative to Apple Calendar, Lark Calendar and Fantastical are both great options. Lark’s user-friendly design and 4.9 rating in the App Store make it one of the best calendar apps for iPad, iPhone, and MacBook, especially if you want a fully integrated work experience.
What's the best Google Calendar alternative for Android users?
If you're exploring calendar apps for Android beyond Google Calendar, Outlook Calendar is a strong option thanks to its feature-rich design and Microsoft Office integration. But if you want a free calendar app for Android that also includes built-in task management, Lark is a standout choice.
