Best Calendar Apps for Android & iOS in 2025

Downloading the best calendar apps on your Android and iOS devices could help you streamline your daily tasks & events. These powerful iPhone and Android calendar apps offer different features like to-do lists, reminders, scheduled events, planners, notifications, and more. One of the best features of these apps is that it offers easy integration with other apps on your device and works seamlessly across devices.

Best Android & iOS Calendar Apps in 2025

1. Google Calendar

Device Support: Android, iOS, Web

Downloads: 1 Billion+

Ratings: 4.3+ on Google Play Store

Price: Free

The official Google Calendar app brings various features to help you manage your time effortlessly. Here, you will find different ways to view your calendar including option to quickly switch between week, month, or day view. Google Calendar works well with all other calendars on your Android device including Exchange.

Features of Google Calendar

• All the events from Gmail are automatically added to your calendar.
• You can set reminders to create and view To-Dos in addition to your events.
• You can set personal goals and set reminders for them.
• It offers multiple view types.

2. DigiCal Calendar Agenda

Platform: Android

Downloads:5 Million+

Ratings: 4.4 on Google Play Store

Price: Free, Offers In-App Purchases

DigiCal is one of the most flexible and customizable calendar apps for Android. With clean design and multiple agenda views, you can find the daily planner with numerous useful features. You can schedule tasks in few clicks. You can schedule appointments using an advanced planner that offers month, week, day, text month, agenda, and year view for all your events.

Features of DigiCal Calendar Agenda

• It offers easy sync with Google Calendar, Outlook and Exchange.
• It offers 6 beautiful and easy customizable calendar widgets.
• You will find premium sports, holiday, finance, TV, and lifestyle calendar.
• It offers global weather forecast.

3. aCalendar

Platform: Android

Downloads: 10 Million+

Ratings: 4.1 on Google Play Store

Price: Free, Offers In-App Purchases

With aCalendar, you will find intuitive navigation between month, week, day, and agenda view. It offers 7 powerful widgets for quick access. It is easily customizable and offers lots of designs to select from. With Google Calendar management option, you can sync events and schedule them easily. You can even set birthday reminders from your contacts. Using this powerful Android calendar app.

Features of aCalendar

• Public holidays and school holidays for some countries are configured in this app.
• It offers multiple color options to select from.
• You can find different business features like invite attendees, free/busy mode, private profiles, link contacts, etc.
• 10% of the sales is invested in earth preservation.

4. Any.do

Platform: Android and iOS

Downloads: 10 Million+

Ratings: 4.4 on Google Play Store

Price: Free, offers in-app purchases

Any.do is editor’s choice by Google. It is trusted by millions of users around the world. You can use this app to stay organized and make your time productive. It works as a planner, to-do list, and calendar app for organizing your daily tasks. With calendar widget, you can manage your tasks in seconds. You can not only create events, but you can also set reminders for it.

Features of Any.do

• It helps you sync all your events at one place for better management.
• You can share your to-do list and assign any task to your friends.
• It integrates with Google Calendar so that you can easily manage all your events.
• It offers intuitive drag-&-drop option to quickly assign or create tasks.

5. One Calendar

Device Support: Android, iOS, macOS, Windows

Downloads: 500,000+

Ratings: 4.6 on Google Play Store

Price: Free

One Calendar is one of the best calendar apps for Android that comes loaded with tons of useful features. It also works well on iOS, macOS, and Windows devices. You can use this powerful Android calendar to manage all your events and tasks in few simple clicks.

Features of One Calendar

• It offers easy integration with all calendar apps on your device.
• It works well with Android, iOS, Windows, and Mac devices.
• It offers few clicks process to manage all your events & appointments.
• It is available for free.

6. Fantastical

Device Support: iPhone, iPad, Mac, Apple Watch

Downloads: NA

Ratings: NA

Price: Starts from $3.33/month (Free version available)

The Fantastical Premium version comes with loads of useful features. It makes your calendar life more powerful, more productive, and more fun. You can use this app to add multiple accounts, events, and tasks. You can even delete events and tasks when needed. It works on intuitive user interface to deliver seamless experience.

Features of Fantastical

• It sends you instant notifications to keep you up-to-date.
• It displays location event details.
• You can find weather forecast with this app.
• It offers priority email support for premium users.

7. Calendly

Device Support: Android, iOS, Windows

Downloads: 5 Million+

Ratings: 3.8 on Google Play Store

Price: Starts from $8/month

Calendly helps you schedule your meetings without the back-and-forth emails. Using this app is absolutely easy as with few clicks you can set events and manage them instantly. Once you have setup an event, you can share the Calendly link via email or embed it on your website. This best iPhone calendar app offers easy integration and works well across devices.

Features of Calendly

• It offers easy calendar integration with Google, Outlook, iCloud calendar, and Office 365.
• It supports 1-on-1, round robin, and collective availability meetings.
• It offers seamless time zone detection for all your invitees.
• It works well with different apps liks Salesforce, Zapier, GoToMetting, and more.

8. Timepage

Device Support: iOS

Downloads: 100,000+

Ratings: 4.6 on App Store

Price: Free, offers in-app purchases

Timepage is one of the best calendar apps for iPhone that helps you organize events & tasks in few clicks. It releases regular updates to offer seamless user experience. It works on exquisite interface and smooth animations that makes app beautiful. This iOS calendar app makes your every day more productive by combining your events, contacts, maps, weather info and more.

Features of Timepage

• It works on uncluttered stunning design to offer seamless user experience.
• It offers fully adjustable week calendar to display between 5 and 10 days.
• With Moleskin theme colors, you can personalize your calendar.
• It offers intuitive month heatmap that shows when you are busy and free.

Conclusion

So, this was a detailed review of best calendar apps for iPhone and Android devices. We have thoroughly tested & reviewed these apps before listing them here. Do try any of these apps and share your experience in the comments below.