Best Calendar Software

Compare the Top Calendar Software as of November 2025

What is Calendar Software?

Calendar software and calendar apps are essential in keeping your schedule organized. Calendar software offer a range of features including scheduling, task management, collaboration tools, calendar sync, and more. Compare and read user reviews of the best Calendar software currently available using the table below. This list is updated regularly.

  • 1
    iCalendar

    iCalendar

    Symfonies

    iCalendar is the ultimate calendar for your iPhone, iPad and iPod Touch focusing on your productivity. Its seamless, highly usable interface allows you to enter events quickly and helps you keep track of your busy schedule. It integrates with your iCloud, Google, Exchange, Outlook, or Yahoo! account to provide you with the most convenient calendaring experience.
    Starting Price: $2.99 one-time fee
  • 2
    DayViewer

    DayViewer

    DayViewer

    Whether you need more than a standalone online planner, calendar or to-do list app, or you are looking to get started using a planner online. Using DayViewer as a central time and task management system can help you to transform your productivity from day one. Everything is built-in, so no complex setup or dependencies on third-party apps. Simply set up your online calendar to your preferences, add your tasks, and manage your time with clarity. The easy-to-use Fast Planner system will make planning your week a breeze. Simply set up your task templates and drag and drop them into your day to schedule as needed. It is also an interface where you can adjust task details more efficiently and assign tasks easily if you are scheduling for other team members. DayViewer contains a handy Online Notes system that lets you save rich notes, checklists and other information so you can refer to them whenever required.
    Starting Price: $5.00/month
  • 3
    Smart Calendars AI

    Smart Calendars AI

    Smart Calendars AI

    Transform your scheduling experience with Smart Calendars AI, where scheduling becomes effortless through the power of artificial intelligence. Speak, snap a photo, or paste text to create calendar events instantly - no more manual data entry. Smart Calendars AI automatically detects dates, times, and locations in multiple languages, converts physical invitations into digital events through photo recognition, and responds to natural voice commands. Working seamlessly across the Apple ecosystem, Smart Calendar AI processes your emails, messages, websites, and notes into calendar entries. Use Smart Calendars AI to receive smart scheduling suggestions based on your preferences. The clean, modern interface eliminates clutter while offering powerful sharing options including expirable quick links and custom QR codes. With a privacy-first approach combining local processing and minimal cloud interaction, your schedule stays secure and private. Available for iPhone, iPad, and macOS.
    Starting Price: Free
  • 4
    OfficeCalendar

    OfficeCalendar

    Lookout Software

    OfficeCalendar for Microsoft Outlook is an easy-to-use software application designed for sharing Microsoft Outlook information between colleagues and coworkers. OfficeCalendar is an affordable alternative to Microsoft Exchange Server, which is considered to be too expensive and complex for many small to mid-sized businesses. With OfficeCalendar, coworkers can share their Microsoft Outlook calendars, email, contacts and tasks; create group calendars; and control OfficeCalendar’s comprehensive sharing security; all from within their own copy of Outlook. Colleagues can also access their personal and shared Outlook folders (calendars, contacts and tasks) online using OfficeCalendar Online, giving users Outlook web access from anywhere or at any time. Share Microsoft Outlook Calendars with colleagues. Create interactive Outlook group calendars for easy group scheduling.
    Starting Price: $99.00/one-time/user
  • 5
    Calday

    Calday

    Calday

    Calday offers a user-friendly interface with a range of advanced features that enable users to manage appointments, schedule meetings, and send automatic reminders. First and foremost, with our built-in calendar and calendar hub, you can connect all your calendars in one place – including Google Calendar, Outlook, iCal, and more. Calday is designed to support both offline and online businesses, so you can seamlessly integrate scheduling into your workflow no matter what type of business you run. And with our unique feature of allowing clients to book several services at the same time, you can streamline your scheduling process and save time. Plus, Calday offers both web and mobile apps, so you can keep track of your schedule on the go. And with our top-notch tech stack, we guarantee a bug-free experience with the best performance.
    Starting Price: $10/month
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