10 Best Calendar Apps for Android of 2026

Google Calendar earns the top spot because it does the core jobs well and costs nothing. On Android it can read reservations from Gmail and drop flights, hotels, concerts and restaurant bookings onto the calendar without typing. Shared calendars let family, friends and coworkers view, add or change events, which answers the shared calendar question for most households. The Play listing also says you can view Google events side by side with other calendars on the device, including Exchange, so a work account synced to the phone shows up in the same view. Tasks sit alongside events and open in a full-screen list, and the Wear OS app supports tiles and complications. The trade-offs are modest. Google marks professional booking pages and working location as Workspace features, and the app offers fewer views and widget styles than Business Calendar 2 or DigiCal. For a free Android calendar that keeps Google accounts and shared schedules in one place, it is the default to beat.

Business Calendar 2 is the most complete third-party calendar on this list for someone who mixes accounts. Its Play listing documents sync with Google Calendar, Outlook Calendar, Exchange and CalDAV, and tasks can connect to Google Tasks or Microsoft To Do, so a personal Gmail calendar and a work Outlook calendar sit in one planner. Entry is quick: templates add an appointment in two taps, voice input fills in details, and a single entry can be copied to several days, which suits shift workers. The weekly view stretches from 1 to 14 days, a yearly view uses a heat map to show busy periods, and there are 7 widgets plus a Wear OS app with tiles. You can also hide work or family calendars quickly to focus. The free version shows ads, and features such as a 7 day weather forecast, 22 themes, recurring tasks and PDF printing need the pro upgrade, whose USD price we could not confirm on the vendor's page.

Microsoft Outlook is the most direct answer to syncing an Outlook calendar with Android. Instead of relying on the phone's account settings, the app signs in to Microsoft Exchange, Microsoft 365, Outlook.com, Hotmail and Live accounts itself, and it also accepts Gmail, Yahoo Mail and iCloud, so a Google calendar can sit next to a work calendar. The calendar tab shows several calendars side by side, lets you RSVP and add notes, and joins Teams or Zoom meetings from an event. Travel and delivery updates can be added to the calendar automatically, and the Wear OS companion has an Up Next tile for the next meeting. Outlook is free for personal use, and Microsoft 365 Basic costs $19.99 a year on Microsoft's US page. The downsides come from its design as an email app: the calendar is one part of a larger tool, free accounts carry ads, and Copilot scheduling help requires a qualifying subscription.

aCalendar has been on Android for more than a decade and keeps its model simple: a free app with occasional ads, and aCalendar+ as a one-time purchase that the US Google Play store listed at $11.99. Because it uses Android's native calendar backend and synchronization, any Google or Exchange account set up on the phone appears automatically, and it can manage Google calendars directly. Navigation is gesture based: swipe vertically to move through time, horizontally to switch between day, week and month, and long-press to add an event. There are 8 widgets, a year view, moon phases, birthdays from contacts, printing and ICS or CSV export. The paid extras include public and school holidays, more colors, tasks from Google Tasks or CalDAV, and business features such as inviting attendees and free/busy. The gesture model is quick once learned but less obvious than Google Calendar at first, and work features sit behind the upgrade.

Samsung Calendar is the easy pick for Galaxy owners because it is already part of the phone and needs no extra account. Its Play listing describes adding several calendars, including Google Calendar, assigning a color to each, and switching between year, month, week, day and task views with a horizontal swipe. Events support recurrence patterns and time zones, the calendar can show weekly weather, and the widgets have adjustable transparency so they blend into the home screen. Optional permissions let you invite attendees from contacts, save locations and attach photos. The Play data safety section says the app does not collect or share data with third parties. It is less capable than the specialists: there are no templates, heat maps or task integrations of the kind Business Calendar 2 documents, and Outlook calendars appear only if the account is synced to the device. We could not confirm a price quote in USD, though the app is offered free.

DigiCal is the pick for people who care how their calendar looks on the home screen. Digibites says it syncs with Google Calendar, Outlook.com and Exchange, so mixed accounts work, and it offers 7 views including a text month and a year view. The widget collection covers 6 types with 9 preset themes, and the website notes that widgets can go on the lock screen too. Weather is built in, showing temperature, precipitation, wind and sunrise times, and a catalog of public holiday, sports and TV schedules can be added as subscribed calendars. Practical touches include RSVP replies, notifications with snooze and navigation, and scheduling in a foreign time zone. The free version carries ads. DigiCal+ adds 2 extra widgets, a year heat map, more themes and colors, and removes ads, while the extended forecast, hourly for 48 hours and 3 hourly for 15 days, sits in a separate premium weather subscription. We could not confirm USD prices for either upgrade.

TimeTree answers the shared calendar question differently from Google. Instead of sharing one calendar from an account, you create a group calendar, send an invite, and everyone in the family, club or class sees and edits the same schedule. You can keep as many shared calendars as you need and use filters to see them together or switch between them, and members can post photos in event comments. Premium costs $4.49 a month or $44.99 a year on TimeTree's page, with the first month free, and adds file attachments such as PDFs, a vertical view of up to three days, pinned events, dedicated support and no ads. The limit for this list is account sync: TimeTree's own pages describe its shared calendars but do not describe syncing Google or Outlook accounts, so it works best alongside a main calendar rather than replacing it.

Etar is the answer for people who want a calendar app with nothing extra. It is free, open source under GPL-3.0, has no ads, and its Google Play data safety section says it collects and shares no data. It is also listed on F-Droid for people who avoid Google Play. Etar uses Android's calendar sync, so Google Calendar and Exchange accounts set up on the phone appear in its month, week, day and agenda views without another sign-in. You can keep an offline calendar, share calendars as ICS files and import or export from storage, and switch between dark and light themes. The limits follow from its simplicity. There are no tasks, weather, templates or heat maps, and it depends entirely on the phone's account sync, so an Outlook.com account must be synced to Android first. For a clean, private replacement for a manufacturer calendar, it does the job at no cost.

Any.do suits people who think in tasks first and want their calendar alongside. Its Play listing says it syncs the phone's calendar, Google Calendar, Facebook events and Outlook calendar, and its integrations list includes Office 365 and Exchange, so both main account types can appear next to your to-do list. The calendar offers daily, 3-day, weekly and agenda views with a widget, and reminders can be one-time, recurring, location based or spoken. Lists can be shared and tasks assigned to family or coworkers, and there is a Wear OS app. The free Personal plan covers tasks, reminders, the calendar and the daily planner. Premium costs $4.99 a month billed annually or $7.99 month to month and adds features such as recurring tasks and WhatsApp reminders. As a pure calendar it is lighter than Business Calendar 2 or Google Calendar, with fewer views and no calendar sharing described on its listing.

Proton Calendar is the privacy option on this list. Its Android listing promises no ads, no trackers and no data sharing with third parties, with end-to-end encryption between Proton Calendar users and zero-access encryption for event names, descriptions and participants on Proton's servers. Proton says events received from people on other calendars are secured with zero-knowledge encryption, and invitations can be sent straight from a Proton Mail address. The app syncs across browsers and devices, supports recurring events and foreign time zones, offers several reminders per event, adds a home screen widget and includes private appointment scheduling. Paid plans raise the limit to 20 calendars. The catch for this list is account sync: Proton's Android listing describes its own encrypted calendar rather than a view of existing Google or Outlook accounts, so it is a replacement, not a hub. We could not confirm USD prices on Proton's pricing page from here.