7 Popular Calendar Apps to Use in 2026
Calendars are one of the useful tools. Some of the initial mobile apps were having datebooks and calendars, which were useful to this day.
Even with the evolving technology, calendars have not changed much all these years. The majority of the calendar apps are still like comprehensive datebooks with customization options.
Here are the best 7 calendar apps to stay organized!
1. Business Calendar 2
Price: Free / Up to $6.99

Business Calendar 2 is one of the most popular calendar apps with amazing customization features. In this calendar, you can have two dozen themes, seven calendar widgets, and several calendar views. It also supports Exchange Calendar and Google Calendar and also provides weather information along with everything else.
2. Calendar Widget by Home Agenda
Price: $1.99

Calendar Widget by Home Agenda is a newer calendar app supporting Google Calendar for everything but reminders. It's a clean UI and customizable calendar widgets. You are free to customize the theme a bit and it's one of the better calendar widgets apps available out there.
3. aCalendar
Price: Free / Up to $5.99

aCalendar is a classic calendar app with all the primary features like reminders, date views, notifications, etc. It also has customization features, Google Calendar support, themes, tasks, and even special features like moon phases and holidays. The best part is 10% of all app revenue is donated for the rain forest. You get a free version and a pro version which has also got a full redesign.
4. Calendar Notify
Price: Free / Up to $5.49

Calendar Notify is a newer calendar app with lots of features including a full suite of customization tools and a great UI. You get advanced customization options with the premium version. You also get Google Calendar support and other calendars with Android Calendars support.
4. DigiCal Calendar Agenda
Price: Free / Up to $4.99

DigiCal Calendar is a powerful app featuring Material Design, a dark theme, several add-ons like sports calendars, TV schedules, and over 500,000 other events. It also features various themes, calendar widgets, weather information, and support for Google Calendar, Exchange Calendar, and Outlook Calendar. Many basic features you get in the free version while the pro version gets everything.
6. Google Calendar
Price: Free

Google Calendar is the most popular of the calendars. It's already installed with many devices. It is already integrated with many calendar apps. It has basic features with many customizations or theming. Still, it's a good web interface, calendar add-ons, and some other fun features.
7. Simple Calendar Pro
Price: $0.99

Simple Calendar Pro is a simple calendar that doesn't connect to external calendars like Google Calendar or similar apps. You get an optional CalDAV support, though. This calendar is almost completely offbeat. You can get it for $0.99 with no additional ads or in-app purchases. It's also entirely open so
Synopsis
These are some of the most popular and feature-rich calendar apps that you can use anytime anywhere and stay organized.
