Top 5 Calendar Apps in 2025
Planning is one of the key factors in the success of a company of any size, a private entrepreneur, or a hired specialist. It is always worth paying special attention to. Today, the market offers many solutions for optimizing and automating task scheduling, which anyone can use. In this article, we will tell you about the five most famous and popular calendar apps of 2025, suitable for business and other purposes.
Google Calendar
Google Calendar is one of the best free calendar apps, standing out for its functionality and convenience. This service has gained wide popularity among users of different ages and professional orientations. To access its standard tools, you only need to register a Google account. This allows you to automatically synchronize data on all authorized devices. The program is accessible on any platform via a web interface. In addition, it has applications for Android and ChromeOS.
Key features:
- A simple, minimalist design helps beginners quickly master the functionality of the program. You can add, edit, and view events in the calendar with a few clicks or drags. It is easy to change the interface to a daily, weekly, or monthly format.
- With Google Calendar, you can track and flexibly manage your daily activities by creating separate to-do lists for work, school, personal, and other categories of tasks.
- The service allows you to set up recurring events. Specified meetings or other events will be added to the calendar automatically. This saves a lot of time and other resources.
- Users receive automatic notifications about upcoming events. The system sends them at certain intervals via email or push notifications to connected devices.
- Google Calendar apps for Android and ChromeOS, as well as the web version of the service, support data transfer from other similar systems, including Microsoft Exchange and IBM Notes.
- The program allows you to not only plan events but also manage bookings. Users with a Google Workspace subscription can create an unlimited number of bookings, manage multiple calendars, and accept online payments via Stripe.
- Time Insights provides analytics on past and planned events. It also provides personalized recommendations for increasing productivity.
- Thanks to the built-in AI assistant, you can automate a number of scenarios for using the service: from adding tasks or meetings to the calendar to sharing links to bookings and time tracking.
In addition to the free basic version, the program provides an extended version. It is available in the Google Workspace package with the following tariff plans:
- Business Starter – $6.30 per month per user.
- Business Standard – $12.60 per month per user.
- Business Plus – $22 per month per user.
- Enterprise – the cost is calculated individually and is provided upon request.
The prices listed are valid for a full year of payment at once. If you pay monthly, the cost will be higher. Each plan includes a 14-day free trial.
Please note that using the ApiX-Drive service, you can automatically upload events or create them based on data from third-party systems. To achieve this, you need to configure the integration for Google Calendar in no-code mode.
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Calendly
Calendly is an online calendar designed to manage online bookings. This service is often used by hired professionals, entrepreneurs, and companies of different sizes and areas of activity to organize meetings, negotiations, and events. With Calendly, you can easily set up an event schedule, synchronize it with other calendars, and automate the booking process. This makes it an indispensable tool for both business and personal needs.
Key features:
- The platform allows you to quickly and easily create bookings for online and offline events of various formats: from 15-minute Zoom calls to 45-minute group meetings.
- The service provides the ability to add multiple users to each event and work collectively on the schedule.
- Calendly helps automate the booking process. It automatically adds new events to the schedule and generates links to them. Factors such as the type and duration of the event, as well as staff workload, are considered.
- Built-in integrations with Zoom, Google Meet, and Microsoft Teams provide the functionality you need to conduct video conferencing meetings.
- Users can synchronize accounts in other online calendars (Google Calendar, Outlook, Microsoft Exchange) with the service to avoid double bookings.
- Calendly functionality is available via a web interface and a mobile application. There are a number of integrations with third-party systems: Google and Microsoft platforms, popular CRM (Salesforce, HubSpot), payment systems (Stripe, PayPal), website builders, and more.
- Calendly Workflows automates sending reminders for upcoming bookings via email and text messages.
- The Managed Events feature lets you create, edit, and share meeting and event templates with your colleagues.
- Calendly Analytics tools provide detailed booking insights. They can provide insights into peak activity periods (days and hours), top-performing employees, the number of successful bookings, and more.
- The service offers ready-made solutions for different departments of companies (sales, marketing, IT, HR, etc.), areas of activity (finance, education, technology, etc.), and categories of users (individuals, small, medium, or large businesses).
The program offers a free plan, making it one of the free calendar apps available for individual users who need 1:1 meeting functionality. In addition to it, Calendly has several paid tariff plans:
- Standard – $10 per month per user.
- Teams – $16 per month per user.
- Enterprise – from $15,000 per year.
The prices shown are for a full year of payments at once. If you prefer to pay monthly, please note that the price will be 20% higher. First-time sign-ups can try the Teams plan for 14 days free.
If you want to use this platform even more efficiently, implement automation. Activate integrations for Calendly to automatically create events or transfer data about new events to other systems and apps.
Outlook Calendar
As part of the Microsoft 365 platform, Outlook Calendar is considered one of the most popular calendar apps for Windows. It is fully integrated with other Outlook components (contacts, email, and others), allowing you to effectively manage meetings, tasks, and communications within a single ecosystem. This makes it an indispensable tool for businesses, corporate teams, and professionals who value integration with email and other Microsoft products.
Key features:
- The service interface allows you to quickly and easily add meetings and events in the selected time interval. For each event, you can set text and sound reminders, as well as mark them with color for quick identification.
- Time zone synchronization allows you to see other users' time zones to schedule a meeting at a time convenient for them.
- When creating meetings or other events, the program automatically determines a time suitable for all participants. If the time suggested by the organizer does not suit any of the participants, the latter can indicate an alternative option.
- The service allows you to create not only individual but also collective calendars for planning the schedule of a specific group of people (for example, team members).
- Outlook Calendar supports online and offline data synchronization. It is integrated with other Microsoft 365 applications (Outlook, OneDrive, OneNote) and third-party platforms (e.g., LinkedIn).
- Users can create shared calendars and use them when working in Microsoft Teams. The delegate access feature allows you to view and modify other people's calendars.
Among the best calendar apps, Outlook Calendar is considered one of the budget-friendly options. To use it, you need to subscribe to Microsoft 365. Those who already have it will not have to pay anything extra. The platform offers the following tariff plans:
- Microsoft 365 Personal (1 user) – $9.99 per month.
- Microsoft 365 Family (1-6 users) – $12.99 per month.
- Microsoft 365 Business Basic – $7.20 per month per user.
- Microsoft 365 Business Standard – $15 per month per user.
- Microsoft 365 Business Premium – $26.40 per month per user.
- Microsoft 365 Apps for Business – $9.90 per month per user.
The prices listed are valid on a monthly basis. If you pay for a year at once, you can save a lot. The Family plan and all business plans come with a free trial period of 1 month.
Calendar.com
Calendar.com is deservedly included in the category of good calendar apps. It has managed to gain popularity thanks to an impressive set of planning tools for teams and individuals. The service stands out with its modern design, ease of schedule management, and a high degree of personalization. Flexible settings allow you to adapt it to individual and corporate needs, making working with the calendar as convenient as possible.
Key features:
- Users can manage their work or personal calendars through a convenient interface, add events with the required parameters (location, time, duration, etc.), and send links to them to other participants.
- Simple step-by-step synchronization with popular online calendars (Google Calendar, Microsoft Outlook, etc.) allows you to effectively organize data and avoid errors and overlaps in the schedule.
- Built-in analytics let you track all the latest meetings and other events in your calendar for the past week. This data can provide useful insights to optimize your planning and improve your productivity.
- Find a Time feature makes it quicker and easier to schedule meetings and other group events. Simply create an event and add participants. The system will then automatically select a convenient date and time for everyone.
- The AI and ML technologies implemented in the platform effectively optimize a number of work processes, freeing users from routine actions. In particular, it is possible to create schedules in one click, automatically detect time zones, simplify the planning of group events, and more.
The service is considered a free online calendar, as it offers a corresponding plan – Basic. It has a limitation – only 1 calendar per user. In addition, the platform offers three paid tariff plans:
- Standard (3 calendars) – $10 per month per user.
- Pro (10 calendars) – $12 per month per user.
- Enterprise (20 calendars) – the cost is calculated individually and is provided upon request.
The prices listed are valid if you pay for the entire year at once. If you plan to pay monthly, the cost will be higher. Each plan includes a 14-day free trial.
Any.do
Our review of top calendar apps is rounded out by the online scheduler Any.do. The service combines the functions of a calendar, task manager, and meeting planner, providing a single space for organizing everyday tasks. Flexible settings and integrations make it a convenient tool for both individual and team use.
Key features:
- The service helps organize to-do lists and projects of different sizes. Users can set deadlines and receive reminders, track progress, delegate tasks, share lists, and set priorities.
- Project management functionality makes it easy to manage any project or workflow. It supports importing data from a number of third-party applications, including Trello, Asana, Monday.com, ClickUp, Jira, and Todoist.
- The My Day daily activity planner with a built-in calendar allows you to flexibly organize any work, study, or personal activities.
- With this online calendar, you can schedule any meetings, events, and other activities to manage your time more effectively and increase your productivity.
- Any.do has a solid catalog of ready-made solutions for various fields of activity: marketing, sales, IT, design, project management, and more. In addition, the platform provides pre-installed templates for different types of tasks (agile management, content plan, roadmap, sprint planning, etc.).
- The service is available via a web interface, a desktop program for Windows and Mac, a mobile application for Android and iOS, and extensions for Chrome, Firefox, and Safari browsers.
Any.do offers the following pricing plans:
- Free (limited functionality, for personal use).
- Premium – $4.99 per month.
- Family – $8.33 per month for 4 users.
- Teams – $4.99 per month per user.
The prices shown are valid for a full year at once. If you prefer to pay monthly, please note that the price will be higher. The Premium and Family plans come with a 7-day free trial. The Teams plan comes with a 14-day free trial.
Conclusion
Each of the services presented in our review can safely be called one of the best online calendars of 2025. All of them have large sets of functions, which makes them universal tools for effective planning. Some of the platforms reviewed in the article are available to users absolutely free of charge. Others provide quite affordable prices for basic paid plans. Some go beyond simple online planners, providing tools for project management, collaboration, and integration with other systems. Such diversity allows each user to find the optimal service for organizing time, as well as increasing their own and team productivity.
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