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Calendar Apps for Android - You Need to Know

These days, using a calendar app is not an option, but a part of the operations team. It not only helps to schedule meetings, but also helps to manage client calls, follow-ups, and deadlines. 

August 23, 2021
2 mins read

These days, using a calendar app is not an option, but a part of the operations team. It not only helps to schedule meetings, but also helps to manage client calls, follow-ups, and deadlines. 

Still, many businesses rely on a default calendar app that may not be as effective as other professional ones are. To fulfill business demands, there are many calendar apps for Android that you must add to your list. 

To make your job easy and avoid double bookings, I have tested dozens of calendar apps for Android and reviewed them here in this guide. After considering all the factors, I have mentioned everything you might be looking for.

The most effective Calendar apps for Android

1. Google Calendar - Best for teams who require smooth integration with cloud apps. 

2. Mi Calendar - Best lightweight calendar app with offline mode. 

3. Samsung Calendar - Best for business executives who are often involved in multitasking. 

4. Business Calendar 2 - Best for teams that are managing different projects.

5. Any.do - Best for businesses that manage daily operations and business goals in one place.

6. DigiCal - Best for professionals who seek a visual layout to manage meetings, events, and appointments effectively.

7. Zoho Calendar - Best for small-sized businesses that use Zoho for daily operations.

8. Teamup Calendar - Best for managing group schedules without the need to log in. 

Factors to consider while choosing the best calendar apps for Android

1. Integration and sync across different platforms - I checked how well each calendar application synced across Android, web, and desktop. Also, looked if they could integrate smoothly with Microsoft Outlook, CRM platforms, and Google Workspace. 

2. Easy to use - I carefully checked the convenience and ease of use of each calendar app. To do so, I looked toward features like the drag-and-drop rescheduling tool, booking links. 

3. Collaboration features - To ensure that it is easy to collaborate with teams, I looked for features like permission control, shared calendars, collaborative editing, etc. These helped me to not only coordinate with internal teams but also with external teams. 

4. Custom views and UI - I analyzed each app and checked if I am able to smoothly switch between agenda, week, day, and monthly views. This helped me to find out if they are worth using on busy days. 

5. Reminder and multitasking tools - I considered the ones that allowed me to merge task lists, set reminder alerts, and events all in one place. This will help you in multitasking without any clutter. 

6. Offline access - I looked for calendar apps that can function even without the internet. Also, I prioritized the ones that would quickly sync the updates (after reconnecting). This can help you make edits on the go. 

7. Privacy and security - To ensure that my data is in the safe hands, I looked for data encryption tools, account permissions, and privacy settings. This helped me to find if they are suitable to handle sensitive data.

8. Compare cost against all features - To understand if it is truly valuable, I compared its pricing with its premium features and tested it thoroughly in business cases. This helped me find the most productive ones. 

A peek into the best calendar apps for Android

Calendar apps for Android Main Android features Pricing (free and paid plans)
Google Calendar Integrates well with Gmail, voice assistants, and Google Workspace.

It creates booking links and offers free tools for scheduling appointments.
It is free for personal use.

For businesses, the Starter plan starts at $7/user/month (Google Workspace plan).

If you want to try a complete Google Workspace plan, you can try its 14-day free trial.
Mi Calendar It is lightweight and provides offline access.

For Xiaomi devices, it even offers travel support. But, no advanced integration tools.
It is free to use (pre-installed on Xiaomi devices).
Samsung Calendar It supports One UI, S Pen, and Samsung widgets. Also, it syncs well with Google and Microsoft Outlook. It is free to use (built-in calendar on Samsung devices).
Business Calendar 2 Offers six calendar views, drag-and-drop functions, and advanced filtering tools. Its basic version is free to download (with great features).

For additional features, you may download it through in-app purchases.
Any.do Integrates tasks and calendar in one place. Offers a daily planner with colour-coded tags, sends reminders through WhatsApp. It is free to use (comes with core features and functions).

Its premium plan starts at $7.99/month.
DigiCal Offers customizable widgets, secure calendar views, and integrates weather forecasting (3-day free weather forecasts). It is free to download and use.

For its premium features, it costs $4.99 (one-time purchase).
Zoho Calendar Securely schedule events and meetings, and integrates well with the Zoho ecosystem. It is a fully featured free edition of its Mail or Workspace Suite.
Teamup Calendar Allows sharing calendars (without the need to log in). Offers colour-coded sub-calendars with granular access control. Yes, its basic plan is free (can create up to 8 sub-calendars and account-based users).

Its Plus plan starts at $12/month. To try its paid plans, it offers a 3-day free trial.

Best for teams that are already using Google Workspace 

1. Google Calendar  - Android, Wear OS, Web (Chrome), and iOS 

I used Google Calendar for a consultancy and it was great. Its features, like smart scheduling, shared calendars, and appointment booking slots for daily meetings, were quite impressive. 

I liked how quickly it creates a public booking page (you can do this in free and paid Google Workspace plans - Free accounts support one booking page; Google Workspace plans support multiple and advanced options). This helped my clients to schedule meetings at their convenient time (without mailing me). 

Also, I was quite impressed with its ‘Events from Gmail’ feature. This feature automatically gathers information from flights, hotel bookings, and other appointments directly into my calendar. This genuinely saved me a  lot of time. 

Its latest Gmail-Gemini integration was the best. How did this work? Let me explain: So, whenever any event details used to come in my Gmail inbox, Gemini displayed a one-click suggestion pane, which said ‘Add to Calendar’. I was happy and satisfied with this one. 

Pros: 

  • Works great across platforms like Workspace, Gmail, Mobile devices, and Microsoft Outlook. 
  • Allows setting buffer times for deep work sessions. 
  • Allows you to create and edit events in offline mode (resyncs happen after you are connected). 
  • Has built-in support for equipment and rooms. Also, its embedded Maps are super helpful to coordinate with clients across the globe. 

Cons: 

  • Some advanced features like insights of shared working hours, are locked behind the paid Workspace plans. 
  • Offers limited integration with CRM tools. For pre-booking conversations, you may require third-party apps. 

Pricing - It is free for personal use. For businesses, the Starter plan starts at $7/user/month (Google Workspace plan). If you want to try a complete Google Workspace plan, you can try its 14-day free trial.

Best for small-sized business owners who require basic calendar features (must have Xiaomi devices)

2. Mi Calendar - Redmi, Poco ,and Xiaomi Devices 

This calendar app is pre-installed only on Xiaomi (MIUI) devices. If you have these devices, then it is a great one to use. I used it on one of the Mi devices, and it was pretty smart. I could easily switch between days. week, and month views. This helped me to set project deadlines conveniently. 

It works offline as well. It made it easier for me to schedule meetings, send reminders, and even check my to-do lists side by side. 

Also, I liked its integration with Exchange and Google Calendar. But, Mi Calendar does not parse Gmail itself. It displays events synced from Google Calendar (which does parse Gmail).

Its reminder system was quite simple. Without sending too many notifications, it was pretty helpful. Even though it does not have collaboration tools or AI-based features, it worked well without any lag. 

But it is not yet accessible on iOS devices or the web. So, if you do not have MIUI devices, then it is not suitable for you. 

Pros: 

  • Without any setup, you can use it instantly on any Xiaomi device. 
  • Its UI is simple and great for beginners. 
  • It has a feature of daily weather updates. This can help you plan your travel plans accordingly.
  • Mi Calendar does not sync with messages like SMS or chat apps. But it may sync system reminders if using the Xiaomi Reminders app. 
  • Has a built-in feature to main local events, festivals, and birthdays. 

Cons: 

  • Does not have an iOS, desktop, or web version (only accessible on Xiaomi devices).
  • Does not have advanced tools for team collaboration. 
  • It does not support attachments, subtasks, and project templates. 
  • Does not have smart widgets (for businesses). 

Pricing - It is free to use. (pre-installed on Xiaomi devices).

Best for professionals using Samsung Devices 

3. Samsung Calendar - Samsung Devices with One UI 7+, Desktop (via Samsung DeX - phone-to-PC mode; no standalone web or PC app.

I used Samsung Calendar, and I was instantly impressed with it. It connects well with One UI and S Pen and syncs well with Google and Exchange accounts.

Its drag-and-drop navigation feature was also quite smooth. Because of that, I was able to stay focused all day. It also offers day, week, month, and year views. These views were useful in managing my everyday meetings. 

Also, its weather overlay in calendar views was impressive. Without switching tabs, I was able to plan offline client visits without any chaos. 

Its S Pen ‘write-on calendar’ feature was the most exciting part. I could easily doodle or annotate notes during brainstorm sessions. 

Since it is a built-in calendar, I integrated it with Samsung Notes and Reminder, and it truly worked well. With this, I was able to create tasks and notes within the calendar itself and even link them with an event. 

Pros: 

  • With events, it has weather reporting features too. 
  • It has a unique data picker and year-view feature to plan long-term projects. 
  • Allows setting different time zones for offline meetings with custom schedules. 
  • Offers enterprise-level security. This is great for protecting sensitive data. 

Cons: 

  • Limited accessibility on Desktop (only accessible through Samsung DeX mode when your Samsung phone is connected to a PC). 
  • Unlike other calendar apps, it does not have a standalone web or iOS version. 
  • Even though this calendar uses underlying account permissions for sharing, the sharing works only if you use a Google/Exchange account. But unlike the Teamup tool, this calendar doesn't offer a link-based sharing system. 
  • Some reminders, especially those set via Bixby or other apps, may appear in the Samsung Reminders app instead of within calendar views. 

Pricing - It is free to use (built-in calendar on Samsung devices). 

Best for professionals who heavily depend on Android for work 

4. Business Calendar 2 - Android (8.0+), Wear OS watches, Tablets, Chromebooks

After using this Calendar for several weeks, I found this calendar to be a great tool for managing multiple teams. It has an adjustable week view (1-14 days), which was quite helpful for monthly planning. 

This calendar also has a heat map on the Year View. With this, I was able to instantly increase bandwidth for new work or initiatives. 

While I was busy managing hectic meetings, its voice-based event creation feature and smart templates saved me a huge chunk of time. It helped to schedule recurring client calls and daily standups in just 2 taps. 

Its colour-coding feature for different calendars and meetings also helped me to prioritize things in a better way.

This calendar app also allowed me to attach files and photos directly to my calendar events. This helped me to create project diagrams and meeting agendas quickly. 

Also, its agenda view with task management features was genuinely good. I was not only able to schedule meetings properly, but also track follow-ups, deadlines, and action items.

Pros: 

  • Has 7 types of widgets and 14 themes. You can choose these as per your convenience. 
  • You can see different calendars at one time. These include client, work, personal, and shared calendars. 
  • Complex recurrence patterns are managed well. You can use it for several board meetings, checking compliance, and reviewing financial areas.
  • With dark mode, you can adjust themes manually.

Cons: 

  • You cannot directly use it on a Mac or a Desktop (like most of the calendar apps). To do so, you need to use tools like Bluestacks. 
  • As a first-time user, you may find it overwhelming due to its advanced features.

Pricing - Its basic version is free to download (with great features). For additional features, you may download it through in-app purchases. 

Best for teams that often work with task boards, reminders, and daily planning tools. 

5. Any.do - Android, Web, iOS, Windows 

If you are a manager who handles different teams, Any.do Calendar can be a good option for you. This helped me to view different tasks. Meetings and project timelines all at once. 

Its daily planner smoothly helped me to set important tasks and meetings for each day. This way, I was able to focus on priority tasks as soon as I entered the office. 

During my hectic sprint cycles, its smart recurring reminders and sub-tasks feature ensures that I do not miss following up with all my teams. This really impressed me. 

Also, its integration with WhatsApp reminders was quite seamless. I was easily able to sync across iCal, Outlook, and Google. This helped me to coordinate effortlessly. 

The best thing was its feature of shared task lists and calendar events. This was absolutely my favourite. It helped me to set OKRs and for weekly standups. 

Pros: 

  • Has a voice-based system for creating events or tasks. This is great if you want to do multitasking. 
  • It has task boards with Done, Do, and Doing views to track the progress of the team (Kanban type). 
  • Allows sending reminders location-wise. 

Cons: 

  • Monthly views are available on web/desktop. But, they are not available on mobile version.
  • Unlike the desktop version, you cannot easily drag tasks directly into your calendar. This limitation is for mobile only.
  • Advanced features like location reminders, colour-coding, and WhatsApp alerts are not available in the free plan. 

Pricing - It is free to use (comes with core features and functions). Its premium plan starts at $7.99/month. 

Best for project managers, sales teams, and field managers 

6. DigiCal - Android

After using DigiCal, I found it pretty helpful for event customization. Its split month-and-agenda view showed me both tactical and strategic schedules at a glance. Honestly, I loved this feature.

When I was going on outdoor demos and site inspections, its built-in weather forecast did an amazing job. Without switching apps, I was able to see everything in one place. 

Its location drop-down feature with map autofill was incredible. This helped me during my travel hours and ensured that navigation reminders were quite accurate.

For dividing events into field visits, marketing demos, internal review, etc, it has a colour-coded category feature. With this, I was easily able to bifurcate events. 

Pros: 

  • Has some interesting event popups. These are for quick snooze, opening the navigation bar, and seeing directions from the alerts themselves. 
  • Supports around 30 event colours with light and dark themes and fully customizable widget fonts. 
  • Has action bars for managing events quickly. This bar allows for cut, copy, edit, and delete operations. 
  • Has a built-in library of sports, public holidays, and industry-specific calendars. This keeps updating automatically.
  • Allows you to create private events that are only available on your device. 
  • Allows creation of a manual .ics export of calendar data,

Cons: 

  • Even though it displays invites and events from Google/Outlook calendars, but does not have its own invite-sending UI yet.
  • Alerts are not delivered through its own notification system. They are often sent through a stock calendar. For this, a manual setup may be required. 

Pricing - It is free to download and use. It is free to download and use. 

For its premium features, it costs $4.99 (one-time purchase).

Best for small-to mid-range businesses that are already using Zoho in different areas

7. Zoho Calendar - Android, Web, iOS 

I used Zoho Calendar for managing several appointments and bookings. It is quite seamless to use. Its appointment scheduler feature helped my clients and even prospects to book meetings directly from our website (through an attached form). 

Its Group Calendars feature was my favourite. With this, I could simply create separate calendars for each team and assign permissions. I was even able to add it to our team portal for better transparency. 

Its integration with Microsoft Teams and Google Meet was super great. It helped me to schedule online meetings without switching tabs. 

Its Smart Add feature was effective. I used Zoho’s Smart Add feature on the web to create events using natural language like ‘Client call tomorrow at 5 pm. This reduced my manual efforts to add data. 

I loved its embedding templates. This allowed me to customize designs to show my available timings and have some interesting options for checking colour-coded categories, global time zones, and a lot more. 

Pros: 

  • Provides full control over sharing options. You can set permissions for different teams. For instance, you may permit team A to view details of team A and team B to delegate responsibilities. 
  • Offer two-way sync with Zoho Suite, iCal, Google Calendar, and Microsoft Outlook. 
  • Makes it easy to allocate equipment, vehicles, and rooms directly through this calendar.
  • Shows real-time availability of teams on the internal dashboard. 

Cons: 

  • Does not have a powerful week and month view. Also, invite management (accept/reject) and guest addition is limited on mobile.
  • Does not have a separate desktop app like other powerful calendar apps. 

Pricing - It is offered for free (part of the Zoho Mail/Workspace suite). 

8. Teamup Calendar

I used Teamup Calendar for a mid-sized business. Its sub-calendar structure with colour-coding and hierarchical nesting was efficient. It helped me to assign each vehicle and crew. 

Also, its Scheduler View was very useful. I was easily able to drag events across different columns and reassign tasks instantly. This helped me avoid last-minute changes. 

Its ability to attach images, files, and comments was very smooth. It reduced the communication gap and ensured that events are lined up systematically.

I liked how easily I could share advanced access permissions with my team.  I had full control over who could add, view, and even adjust the events. I even had the flexibility to assign up to 9 roles (without asking my team to create an account). 

The custom fields, like status dropdown, priority labels, and numerical-based job codes, literally turned this calendar into a lightweight database. This helped me to quickly export and filter views as per the criteria of a specific project. 

Pros: 

  • Has around 9 permission levels, and it can be accessed without any sign-up (just the ID links are required). 
  • Offers great customization options with custom fields. 
  • Offers 12 views on the web, but not all are available on mobile.

Cons: 

  • Limited features are available on the mobile version. You can only access advanced features on the web version. 
  • While you can send event notifications to users, Teamup does not support traditional meeting invitations with RSVP tracking.
  • If many sub-calendars are to be loaded at once, the response may lag.

Pricing - Yes, its basic plan is free (can create up to 8 sub-calendars and account-based users). Its Plus plan starts at $12/month. To try its paid plans, it offers a 3-day free trial.

Feature comparison

Calendar app Collaboration, sync, and scheduling features Tasks and view customization features Privacy protection and offline access
Google Calendar Smoothly syncs with Google Workspace, Google Meet. Offer smart scheduling features and allow creating and sharing booking links.

Supports guest invites and shared calendars.
Allows for day, week, and month views and even basic Android widgets.

With a clean UI, it integrates with Google Tasks.
Allows for offline editing and auto-sync across devices.

For privacy, it has Google-level encryption features with admin controls.
Mi Calendar Does not integrate with cloud or Google Workspace and provides offline access.

For Xiaomi devices, it even offers travel support. But, no advanced integration tools.
Allows for month and day views with limited widgets.

With a simple UI, it does not track your task or goal.
Can be fully accessed offline. Locally stores data and does not depend on cloud or external tools for syncing.
Samsung Calendar Syncs well with Google and Outlook. Allows sharing calendars and natively integrates with Samsung Notes and S Pen. Allows for month and agenda views. Perfectly optimized for One UI.

Offer basic reminder features.
Integrates with Knox security, auto-sync,s and provides offline support.
Business Calendar 2 Syncs well with Outlook, Exchange, and Google.

It supports templates, shared calendars, and event duplication.

Offer drag-and-drop features for rescheduling meetings.
Offer 6 view modes with 7 widgets and customizable themes.

It also offers advanced features like attachments, filters, and subtasks.
Syncs well with offline access.

For data privacy, it has local storage and ensures that data is shared securely.
Any.do Combine task management features and integrates well with Outlook, Google, and iCal.

It supports WhatsApp reminders and allows you to share a plan with others.
Offer different types of views (3-day and daily agenda).

With a sleek UI, it offers features like colour tags, smart reminders.
Allows editing the calendar in an offline mode, syncs automatically.

For data privacy, it offers private workspace-based control.
DigiCal Syncs well with Exchange, Google Calendar.

Sends travel alerts and has features for geolocation.

Not suitable for large teams.
Offers 7 custom calendar views, features for visual planning with widgets (for weather forecasting).

Does not have a specific task module but has highly customizable layouts.
Allows editing in offline mode (data syncs only in online mode)

Has privacy controls for travel time.
Zoho Calendar Especially built for internal teams.

Integrates well into the Zoho ecosystem.

Allows sharing a meeting schedule with certain permissions.
Provides the option for week, day, or work views.

Offers customizable filters and task reminders through the Zoho suite.
It is a cloud-based calendar.

For data privacy, it offers enterprise-grade level security through Zoho servers.
Teamup Calendar No login info is required. It allows users to share calendars through booking links.

Best for agencies, teams, and external teams.

Often supports access controls.
Provides the option for week, day or month views.

With no task manager, it has a simple and colour-coded layout.
Provides the view-only access in offline mode (resyncs automatically when online).

For privacy, it has role-based link permissions.

Underrated calendar apps for Android

1. aCalendar - This calendar app offers month, day, and week views with great capability. If you are focusing more on privacy for businesses, then it is a great tool. It helped me to stay focused without any distractions.

2. TimeTree - If you are looking for collaborative features in a calendar app, then it is a good option. It follows a shared calendar model with some great features like built-in notes and chat. This helped me avoid manual back-and-forth. 

3. Simple Calendar Pro - This is an open-source and fully offline app by default, though users can enable calendar sync. This is most suitable for businesses that are dealing with sensitive data. I liked how it gave me full control over reminders, recurring events and colour-coding without tracking and ads. 

4. Jorte Calendar - This one is great for individual coaches, consultants, and professionals working in a creative field. It offers features like to-do lists, progress tracking, and event scheduling tools. It helped me to structure my day effectively. 

5. Calendar.AI (by Sync.AI) - This helps to schedule meetings using company backgrounds, LinkedIn profiles, and conversations. It was super helpful for sales activities and pretty lightweight for use (It provides rich business profiles and insights for meetings. This tool is ideal for sales, but it depends on access to LinkedIn, CRM, and email data). 

Which calendar apps are best for Android?

After using a lot of calendar apps, especially for Android, I have come to realize that Google Calendar is a well-rounded one. 

I was pretty impressed with its ability to sync across Google Workspace tools, Google Meet, and Gmail, and it has some amazing features like auto-suggestions, booking slots, etc.  I genuinely liked how it helped me manage multiple deadlines, client calls, and internal meetings.

If you are a professional who often seeks deep control, then Business Calendar It has some great features like customized views, task-based filtering, colour-tagged events, and a lot more. With this, I was able to easily manage several projects in a systematic manner. 

If you are looking for a calendar app to manage meetings and tasks in one place, Any.do calendar is a good option. It was super helpful to stay focused. 

In case you are looking for a calendar app for your team, then you must definitely try Zoho Calendar and Teamup Calendar. These are pretty good at sharing permission controls.

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Frequently Asked Questions

If you have more questions, we are here to help and support.

Google Calendar is a free and trustworthy calendar app that syncs across different devices. It integrates well with Gmail and other smart assistants.

The majority of Android users prefer using Google Calendar as it integrates well with cloud and the Android OS.

Most people who have Samsung smartphones either choose Google Calendar (syncs well across different platforms) or Samsung Calendar (it is a built-in app with great UI).

It is because you might not be the owner of the event. It is synced from a read-only calendar or maybe there can be a sync error. You must check account permissions.

First, install Google Calendar on your Android phone. Then sign in with your Google account. Next, turn on the calendar sync. To do so, go to Settings – Accounts – Google – Sync Calendar.

To clear the cache, you need to go to Settings – Apps – Calendar – Storage and Clear Cache.

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