Best Calendar Apps for iPhone 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.

Microsoft Outlook, part of the Microsoft 365 suite, simplifies communication and organization by bringing your email, calendar, contacts, and tasks into a single, intelligent workspace. Designed for both personal and professional use, Outlook connects seamlessly with Gmail, iCloud, and other services for effortless management of multiple accounts. The integrated Copilot AI assistant streamlines your workflow by summarizing long email chains, prioritizing messages, and even suggesting polished replies. With shared calendars, to-do lists, and scheduling insights, Outlook makes managing work-life balance easier than ever. The platform’s cross-device syncing ensures that your inbox, meetings, and files stay updated on Windows, macOS, iOS, Android, and the web. Outlook’s built-in security protects against phishing, spam, and data breaches while offering encrypted email options for sensitive communication. Users can customize their experience with themes, rules, and add-ons, including apps like Power BI and Adobe Acrobat. Whether for individual productivity or enterprise collaboration, Outlook delivers a unified, secure, and intelligent communication hub.

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.

Access your images, documents, notes, and additional content seamlessly across all your devices, ensuring they remain secure, current, and accessible no matter where you are. In the event that you misplace a device, you can utilize Find My iPhone via iCloud.com to track it down, activate Lost Mode, or remotely erase its data. Keep your files safely stored in iCloud Drive, enabling easy sharing with friends and coworkers. You can also modify or upload photos and videos on any single device and instantly view them across all your devices, enhancing your productivity and connectivity. This way, your important content is always at your fingertips, ready to be accessed whenever you need it.

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.

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The Calendar application is a default feature offered by Apple for its iPhone, iPad, and Mac devices. It seamlessly integrates with Apple Mail, providing users with the ability to manage their schedules and utilize it as a calendar tool. Additionally, this app enhances productivity by allowing users to set reminders and organize events efficiently.

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.

Consolidate your tasks, notes, and calendar seamlessly in a single platform. Leverage the versatility of Markdown to swiftly generate tasks, incorporate options for recurring to-dos, easily reschedule tasks, and utilize tags and mentions. Enhance your efficiency with natural language inputs and the autocompletion feature for tags, mentions, and links. Whether it's meeting notes, reference documents, or spontaneous thoughts, keep all your information organized in NotePlan. You can arrange your notes in any manner you prefer, whether through simple folders, a digital Bullet Journal, or an interconnected Zettelkasten system. Everything is stored locally and accessible across all your devices. Maintaining a daily note empowers you to manage your agenda, both for today and tomorrow. Outline your tasks, document and interlink your notes, and even allocate time blocks directly in your calendar. You can view your calendar at a glance, plan for the future, or reflect on the past. All content in NotePlan is saved as plaintext Markdown files, which can be easily accessed with any text editor, ensuring you retain full control and are never confined to a singular system. This flexibility guarantees that your work remains adaptable and manageable, no matter the circumstances.

iCalendar serves as the perfect scheduling tool for your iPhone, iPad, and iPod Touch, emphasizing enhanced productivity. With its intuitive and user-friendly design, you can effortlessly input events and manage your hectic calendar efficiently. Moreover, it syncs seamlessly with your iCloud, Google, Exchange, Outlook, or Yahoo! accounts, ensuring an unparalleled and convenient scheduling experience. This integration means you can access your calendar from multiple devices, making it easier than ever to stay organized on the go.

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.

Vimcal stands out as the fastest calendar on the planet, crafted to help you reclaim your time. Sending booking links can feel detached, and manually inputting time slots is often a chore. Vimcal merges the best features of both approaches seamlessly. You have the ability to command Vimcal using intuitive hotkeys and natural language. The Vimcal iOS app is hailed as the most robust mobile calendar tailored for both work and education. Forget the hassle of calculating time zone differences; simply type the name of any city to access the correct time zone instantly. You also gain access to social profiles and company backgrounds for individuals you encounter, ensuring you are always prepared. Enhance your calendar experience with stunning backgrounds, a Pomodoro timer, and soothing ambient sounds to help you focus. Vimcal allows for smooth coordination of all your professional and personal calendars in one place, eliminating the confusion of switching between different accounts. Say goodbye to the frustration of managing multiple tabs and the risk of scheduling on the wrong account. With Vimcal, you essentially have a highly efficient executive assistant cleverly disguised as a calendar, making it the quickest method for sharing your availability. Embrace the future of scheduling and truly transform how you manage your time.

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.