Best Calendar Apps for Android of 2025

Secure your company’s communications with Proton Mail — the business email solution trusted by over 50,000 organizations. With end-to-end encryption built in, your internal and external communications stay confidential by default. Proton Mail helps your business meet GDPR, HIPAA, and other compliance standards, while giving you full control over your data under strong Swiss privacy laws. Empower your team with encrypted email and calendar, support for your custom email domains, professional branding, and simple migration from providers like Google Workspace or Microsoft 365 — no IT team required.

Bordio is a project management software designed to help teams organize their projects and tasks efficiently. As a task management tool, Bordio allows you to plan out your team's week using a project planning calendar, prioritize tasks on a kanban board, and set reminders for meetings—all in one integrated platform. Imagine effortlessly dragging and dropping tasks into your online calendar, color-coding them for clear visibility of today’s priorities and upcoming commitments. Got a meeting? Schedule it directly in Bordio’s work board and streamline your workflow by eliminating the need for multiple apps. Plus, you can engage in real-time chat within a task, keeping all related conversations and files organized and accessible. Bordio’s integration with Google Calendar enhances this functionality, creating a unified view of all your schedules. This project management tool offers an affordable solution for comprehensive work management. It serves as both a team management software and project tracker, making it easier to manage workloads, track progress, and ensure projects are completed on time. With features like the task tracker and team task planner, Bordio empowers you to monitor each task's progress.

Connect, organize, and accomplish tasks efficiently with everything you need—email, calendar, and contacts—all seamlessly integrated in one location. Experience enhanced productivity as you manage emails, schedules, tasks, and more, all from a single interface. With Office integration, you can easily share files directly from OneDrive, access your contacts, and view LinkedIn profiles without any hassle. Schedule conference rooms and manage meeting RSVPs directly through your calendar for a streamlined experience. Collaborate effectively by sharing calendars to coordinate plans and check your colleagues' availability effortlessly. Enjoy peace of mind with the robust security measures that are trusted by some of the largest organizations globally. Outlook works tirelessly to safeguard your sensitive information while ensuring it does not hinder your workflow. It anticipates your requirements by automatically adding travel plans and bill payments to your calendar, complemented by smart reminders that help you stay organized. With an efficient search feature, finding the information you need is quick and easy, making your workday smoother than ever.

Calendly is a modern scheduling platform that helps individuals, teams, and organizations save time and reduce the hassle of booking meetings. With Calendly, you can set your availability, share a custom link, and let invitees pick a time that works — all without the back-and-forth emails. The platform syncs automatically with your existing calendars, avoiding conflicts and keeping everyone in the loop. Ideal for professionals across sales, recruiting, customer success, consulting, and more, Calendly supports one-on-one meetings, team availability, group sessions, and automated lead routing through round robin scheduling. Built-in time zone detection, buffer settings, and meeting limits ensure control over your schedule, no matter how simple or complex. Calendly integrates seamlessly with your existing tech stack, including Google Calendar, Outlook, Zoom, Microsoft Teams, Salesforce, HubSpot, Slack, and payment tools like Stripe. Automate reminders, follow-ups, and post-meeting workflows to keep your process running smoothly. From solo entrepreneurs to enterprise teams, Calendly helps you schedule smarter and make every meeting count. Get started for free—no credit card required.

Maximize each day to its fullest potential. The latest Google Calendar application allows you to focus less on organizing your agenda and more on savoring your moments. Experience your Schedule in a new way; the Schedule View feature animates your calendar, presenting upcoming events with visual aids like images and maps for better clarity. Everything you need is at your fingertips, with multiple perspectives on your day, week, and month, along with invitations and a web calendar, ensuring comprehensive management of your time. Rest easy knowing that all your events are securely stored online; even if your phone is lost, your address book remains intact. Easily navigate through different calendar views by switching seamlessly between monthly, weekly, and daily layouts. Additionally, events from Gmail—such as flight bookings, hotel arrangements, concert tickets, and dining reservations—are automatically incorporated into your calendar. Manage your tasks efficiently by creating and viewing them alongside your scheduled events. Integrating video conferencing into your calendar events is a breeze, enhancing connectivity and collaboration. With smart suggestions for event titles, locations, and participants, creating events becomes a quick and effortless process, allowing you to optimize your planning experience.

Google Workspace, the enhanced version of G Suite, brings together all the essential tools you need to boost productivity in a single, user-friendly platform. This integrated workspace simplifies your workflow, allowing you to focus more on your tasks rather than on managing them. With advanced AI and search capabilities, Google Workspace enables you to prioritize what truly matters while it takes care of the rest. You can work seamlessly from any location and on any device, even without an internet connection, thanks to customizable tools designed to cater to your team's specific requirements. Just like G Suite, Google Workspace offers bespoke email solutions for businesses along with a suite of collaborative tools, including Gmail, Calendar, Meet, Chat, Drive, Docs, Sheets, Slides, and Forms. Explore our assortment of plans tailored to address your distinct business needs, and find the one that aligns best with your goals on our pricing page. Experience how Google Workspace can transform the way your team collaborates and achieves success.

Thunderbird is a no-cost email client that is simple to install and personalize, packed with an array of impressive features! It enhances your email experience by combining efficiency, security, and the most recent technologies. You can concentrate on the essential tasks without getting bogged down by unnecessary complexities. Various features, including integrated Do Not Track capabilities and blocking of remote content, collaborate to protect your privacy and security, allowing you to relax knowing your information is safe. With the help of Add-ons (Extensions & Themes), you can quickly transform Thunderbird's appearance and functionality to suit your preferences. Additionally, you can keep track of your schedule and significant events with a calendar that seamlessly integrates with your Thunderbird email, enabling you to manage multiple calendars, create daily to-do lists, invite friends to gatherings, and subscribe to public calendars. As an open-source initiative, Thunderbird invites anyone to participate by sharing ideas, designs, code, and volunteering time to assist other users in the community. This collaborative approach not only enhances the software but also fosters a sense of belonging among its users.

The Vivaldi browser enhances your online experience by safeguarding against trackers, blocking intrusive advertisements, and empowering you with distinctive built-in functionalities. Experience fast browsing with Vivaldi. Crafted with user preferences in focus, Vivaldi is a versatile web browser that boasts a plethora of features and customization capabilities, making it an invaluable tool for internet navigation. A standout aspect of Vivaldi is its innovative tab management system, which simplifies the organization and handling of numerous tabs. Furthermore, Vivaldi includes various built-in tools, such as a comprehensive notes and bookmarks manager, along with the option to capture and share screenshots effortlessly. Designed to prioritize speed and security, Vivaldi incorporates essential features like integrated ad-blocking and strong privacy measures. In conclusion, Vivaldi provides a distinctive and tailor-made browsing journey for users seeking greater autonomy and adaptability in their online activities, allowing them to personalize their digital experience further.

Countless individuals depend on Any.do, the leading to-do list application, to maintain organization and enhance productivity. Renowned as the most user-friendly and effective to-do list app, it has received top accolades from major platforms like Apple, Google, The Verge, and Forbes. You can set reminders to ensure that important tasks are never overlooked. With robust options for one-time, recurring, and location-based reminders, you're equipped to ensure that essential items are always addressed. No matter where you find yourself, your to-do list is always within reach. Any.do is accessible on mobile phones, laptops, desktops, tablets, and even smartwatches! Your tasks seamlessly sync across all devices, empowering you with unparalleled control over your responsibilities. This versatility makes it easier than ever to stay on top of your daily obligations.

Spike integrates all your workspace into one Inbox. This includes email, chat and calendar, calls, team collaboration, tasks, calls, and even calls. You can now do your work in one feed so you don't have to switch between apps. Spike's conversational email merges traditional email with instant messaging, eliminating cluttered email threads. Live collaboration and real-time communication allow for better interactions and a more human communication environment. Spike is available for iOS, Android, Mac and Windows.

Minimize lost opportunities by engaging in the right tasks with the appropriate individuals. Leveraging automated tools, from interpreting buyer signals to establishing effective sales cadences, can significantly boost your deal closures. To enhance your email experience, consider acquiring the essential features for Gmail or Outlook. Cirrus Insight offers a comprehensive solution that seamlessly integrates with Salesforce, bringing all necessary information directly to your inbox. By incorporating a bit of automation into your sales workflow, you can bypass the tedious task of manually documenting activities in Salesforce. The repetitive nature of data entry, copying, pasting, and navigating between various applications can be a significant drain on your efficiency. By optimizing your time, you can focus on high-value activities rather than being bogged down by administrative tasks. Managing your CRM shouldn't feel like a burden slowing you down; with Cirrus Insight, you can gain the flexibility and time needed to refine your sales strategy and connect with a greater number of potential customers. Updating your Salesforce activities can consume a lot of your time, especially when trying to follow up with leads that may not be immediately interested in making a purchase, thus highlighting the need for a more efficient approach.

Tuta provides a privacy-focused email service that guarantees end-to-end encryption, securing all your data from unauthorized access. Featuring quantum-safe cryptography, Tuta protects your communications with the highest standards of security. Its intuitive apps for Android, iOS, and desktop ensure an easy and efficient experience for users, with no ads and complete privacy. Tuta also supports custom domains for professional use and remains committed to sustainability by using 100% renewable energy for its operations.

Our mission is to support salons, spas, and beauty professionals by providing the most effective appointment booking system, allowing you to concentrate on delivering exceptional care to your clients. We enable you to maintain organization, enhance productivity, and accelerate the growth of your business. With our user-friendly online booking platform, your clients can effortlessly schedule appointments. You can manage your business calendar from anywhere, oversee your staff, and minimize no-shows with automated text reminders. Amplify your business through text marketing and client engagement tools that operate seamlessly in the background. Simplify the scheduling of appointments, marketing via text, client nurturing, staff calendar organization, and much more. Begin managing your appointments with confidence and ease, and take advantage of our free trial to attract more clients. Keep your clientele engaged with your services, gather more reviews, and communicate effectively using our two-way text messaging feature. Equip your team with straightforward and intuitive tools that make their jobs easier and more efficient. Ultimately, our platform is designed to empower beauty professionals to thrive in a competitive market.

With Calendar Contacts, managing and keeping track of your connections becomes a breeze, enabling you to send out meeting invitations, introduce colleagues, and allocate time on your calendar for socializing with friends. Whether you're arranging a lunch meeting with a coworker, enjoying a coffee catch-up with a friend, or preparing for a conference call with a client, Calendar Contacts simplifies the event creation process. The integration of your contacts with the calendar allows guest invitations to be dispatched in mere seconds, streamlining your scheduling efficiency. As your needs and behaviors evolve, Calendar will continue to adapt, offering an array of tools to enhance your experience. As your organization expands, the complexity of managing various processes increases, often leaving your scheduling system outdated. Calendar adeptly categorizes project meetings, helping you understand the connections between your commitments and the individuals involved, ensuring that your scheduling remains effective and relevant. With such capabilities, you can focus more on building relationships and less on logistics.

EssentialPIM is an award-winning email client that also offers complete information management. It manages all your email messages, appointments and contacts, tasks, notes, password entries, and tasks with intuitive, easy-to-use tools.

Your calendar serves as a comprehensive record of your life, and Proton Calendar prioritizes your privacy. With automatic end-to-end encryption, Proton Calendar ensures that all your events remain secure. Events shared by users of other calendars are protected through zero-knowledge encryption, guaranteeing that details such as titles, descriptions, locations, and guest lists remain confidential, even from Proton. This service allows you to efficiently manage your schedule while safeguarding your personal information. Developed by the creators of Proton Mail, which is recognized as the largest encrypted email provider globally, Proton Calendar has attracted over 50 million users, including prominent organizations. Additionally, Proton Calendar includes a Proton Mail address for sending secure event invitations, enhancing your organization capabilities. You can conveniently add new events to your calendar directly from your Proton Mail inbox, streamlining your scheduling process even further.

Email, meet AI. Canary can send your emails, prioritize what is important, silence spam, and much more. Say hello to your Inbox Copilot!

Manage your business projects efficiently with Jira Work Management, previously known as Jira Core, which provides a comprehensive view of all project details. This software aids in organizing your team and projects effectively, starting with a defined workflow that allows for seamless task tracking. The Cloud version of Jira Work Management offers boards that visually represent workflows, enabling you to easily move tasks from pending to completed status. Task management is simplified with all essential elements like statuses, comments, and attachments conveniently located in one interface. This ensures that everyone stays informed about the project's specifics without the need for constant emails or meetings. Additionally, real-time notifications alert you when your input is required, making it easy to monitor task progress and workload distribution among team members. With Jira Work Management, you can keep tabs on your team's projects through various methods, including concise overviews and personalized dashboards, enhancing overall productivity and collaboration. Furthermore, the ability to customize views allows teams to adapt the software to their unique workflow needs.

SyncGene automatically synchronizes your data*, ensuring that your Contacts and Calendar events remain consistent and current across all accounts. To get started, simply connect at least two sources such as Google, Exchange, or iCloud. Any modifications made in one source will seamlessly transfer to others, eliminating duplicates. You can effortlessly share the most recent details from your calendar or address book with others. By merging your personal information from different platforms, we create a unified view that includes one Calendar, one Address Book, and one To-do list, simplifying your management tasks. Say goodbye to lost, duplicated, or incomplete entries, and enjoy the convenience of managing and updating your events, contacts, and tasks from any connected device, service, or application. With SyncGene, staying organized has never been easier.

Do you keep track of significant events in your calendar, like meetings, medical appointments, and Lucy's veterinary visits? Additionally, do you reflect on your professional aspirations and personal development? Is the process of organizing your tasks on the calendar often tedious and sometimes aggravating? We understand the struggle when unexpected interruptions occur, priorities shift, and you find yourself trying to piece together your schedule. Our concern for your well-being is genuine. With SkedPal, you can utilize a single application that merges your to-do list with your calendar. SkedPal smartly and seamlessly organizes your tasks according to your priorities and obligations. While we often struggle with effective planning and scheduling, we are well aware of our own preferences and priorities. However, navigating the complexities of time management can be quite challenging. Remember, time is a finite resource, and true productivity isn't merely about accomplishing more tasks; it's about focusing on what truly matters. By using SkedPal, you can reclaim control over your schedule and prioritize your most important activities.

The administration of collaborative environments encompasses file sharing, project oversight, group agendas, messaging communication, time tracking, a mobile application, and rights management. Within this versatile suite of collaborative tools, you have the flexibility to establish numerous collaborative environments tailored for your departments, teams, projects, and communities. You have the ability to set specific access permissions for each user within these dedicated spaces, enabling you to extend invitations to partners, clients, or suppliers while maintaining control over their access levels. Begin by uploading your files online for your team, organizing them into categorized directories, and benefiting from automatic versioning of your documents. Moreover, this platform enables you to link your deliverables directly to tasks, facilitating a streamlined workflow. You can manage projects with a similar framework and efficiently import tasks from previous projects to optimize your time. Additionally, stay informed with notifications for any tasks assigned to you or when their statuses are updated, ensuring you remain connected and organized. Overall, this collaborative environment enhances productivity and fosters teamwork.

Pepito simplifies the management of work hours and vacation days, making the creation of duty rosters a straightforward process. This intelligent tool anticipates needs and accurately logs both absences and overtime, ensuring that time tracking is seamless. Upon request, pepito can manage the entire time recording process and presents all related information in a concise format. As a result, the right personnel are always scheduled for the appropriate times. Central to the tool's functionality is the planning of requirements and deployments, which is essential for ensuring all shifts and working time windows are effectively filled. Duty schedules are clearly visible to both planners and employees, with absences systematically recorded and actual working hours compared against planned ones. Relevant data for every employee is meticulously organized in a digital personnel file, which can be accessed by decision-makers whenever necessary. This repository includes applicant documents, qualifications, time-sensitive agreements, holiday entitlements, feedback from performance reviews, and various other essential records. Consequently, pepito not only enhances operational efficiency but also fosters better decision-making by providing reliable access to critical employee information.

Beyond just a traditional ToDo list or calendar, this innovative smart calendar takes the hassle out of planning your day by automatically time-blocking it for you. Simply input your deadlines and task durations, and watch as FlowSavvy generates an ideal weekly schedule that ensures you meet all your commitments without a hitch. With customizable auto-scheduling features, you maintain complete oversight of your agenda! If your plans change or you find yourself falling behind, there’s no need to stress—just hit the recalculate button, and FlowSavvy will seamlessly adjust your schedule, moving any incomplete tasks forward until they’re finished (goodbye to procrastination ✌). You can also check off task components directly from your calendar, allowing you to monitor your progress easily. With tasks visually organized by their proximity to due dates through color coding, you’ll gain immediate insight into your week ahead and your available time. This way, bid farewell to the pitfalls of over-commitment and embrace a more balanced approach to your schedule! Additionally, FlowSavvy encourages efficiency by providing reminders that keep you on track throughout your busy days.

Introducing Brite: Your Comprehensive Planner App for Tasks, Calendar, Habits, and More to Enhance Your Productivity Effortlessly. Brite integrates all the necessary tools into a single application, allowing you to plan, track, and organize without hassle. Replace the chaos of multiple apps with Brite's streamlined and organized interface! Gain a complete view of your week, consolidating tasks, projects, events, and documents all in one location. Eliminate the need for various calendar apps and enjoy a more fluid and stress-free planning experience. Effortlessly create to-do lists, manage tagging, and set priorities with Brite's user-friendly features. Stay focused with smart alerts that help you meet your deadlines. Whether for personal ambitions or professional projects, Brite is designed to support your goals effectively. Take advantage of our kanban board, collaborative features, and real-time goal tracking to optimize your workflow. Create notes and documents easily with Brite's intuitive editing tools, and share your thoughts on iPad using slash commands alongside collaboration features. Additionally, manage your schedules with Brite's versatile calendar, offering daily to monthly views, customizable reminders, and the ability to sync with Google, Outlook, and Apple for a truly seamless planning experience. With Brite, you can transform how you manage your time and tasks for heightened efficiency and clarity.

Tuta Calendar offers a zero-knowledge approach to scheduling, utilizing quantum-safe encryption to keep your events shielded from unauthorized access. Every action you take within Tuta Calendar, from planning events to accepting invitations and sharing your calendar, is automatically encrypted from start to finish, ensuring that your information remains exclusively yours. The user-friendly interface facilitates seamless organization of appointments, professional meetings, and recurring tasks, making it simple to manage your time effectively. Additionally, secure push notifications guarantee that your activities remain private from any outside observers. For added security, you can activate two-factor authentication to safeguard your login details against potential threats. Tuta Calendar also provides free and open-source desktop applications, enabling easy sharing of calendars and events with family, colleagues, or organizations with just a few simple taps. Overall, Tuta Calendar combines security and usability, making it a standout choice for anyone looking to protect their scheduling needs.