This utility app converts between Julian and Gregorian dates and tracks Julian Day Numbers. It's designed for users in fields like astronomy, military operations, and historical research who need precise date management for daily operations.






206+ iOS apps curated and reviewed
Out of 206+ 365 days calendar apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.






This utility app converts between Julian and Gregorian dates and tracks Julian Day Numbers. It's designed for users in fields like astronomy, military operations, and historical research who need precise date management for daily operations.






This app offers a streamlined calendar experience with beautiful, intuitive views of your schedule. It unifies events and reminders, allows for quick natural language event entry, and provides contact history. It supports major calendar services and offers premium features through subscription.

Design your personal yearly calendar by adding custom holidays, work schedules, and special events. This app offers complete control over what days are marked, ideal for personal use or professional tracking.


This app offers a highly customizable calendar experience with multiple view options and automation tools. It allows for easy event management, integration with popular calendar services, and includes features like weather forecasts and calendar insights. An optional Pro version unlocks additional widgets and features.


Easily track important dates and events with customizable reminders and notifications. Organize your schedules, share them with others, and utilize widgets for quick access. Offers advanced features like iCloud backup and a date calculator.


This app offers a straightforward way to manage your schedule, sync events across devices using iCloud or Google Calendar, and stay organized with reminders and weather forecasts. Its customizable interface and simple design make adding and editing events quick and intuitive.


This app combines a calendar, task manager, daily planner, and habit tracker. It helps users plan their day, build habits, boost productivity, and stay organized with seamless syncing across all Apple devices. Features include event creation, to-do list management, natural language input, and integration with popular meeting platforms.


Organize your life with a stylish and intuitive calendar app. It offers powerful customization, seamless syncing with popular services, and natural language event creation. Share events, set reminders, and personalize your calendar views.




This app allows users to create and share calendars with family, friends, or colleagues. It facilitates event planning, communication, and organization through shared schedules, photo albums, and to-do lists. Stay connected and manage your time effectively with this collaborative scheduling tool.


Organize your entire schedule in one place. View events from multiple accounts, manage tasks, and plan gatherings with others. Stay on top of appointments, holidays, and birthdays with customizable views and shared calendars.


Organize your daily schedule with a clean and simple calendar app. It offers a beautiful month and list view with event titles, a mini pop-up for daily events, and seamless scrolling. Easily copy and paste events and search your schedule.


This app offers a visually engaging way to manage your schedule and to-do lists. It uses colorful cues, stickers, and "stacks" to help you understand your day at a glance. Integrated to-dos can be easily scheduled by dragging and dropping them onto dates.


This app offers a streamlined calendar experience, focusing on essential features for easy event management. It's designed for users who prefer simplicity and a clean interface over complex functionalities. Get organized with core calendar tools and helpful notifications.


This app acts as a smart personal assistant, consolidating your calendar, to-do lists, notes, and personal accounts into one unified platform. It streamlines daily management with features like voice commands, smart reminders, and email-to-task conversion, helping you stay organized and productive.




Organize your life with a simple, visual weekly planner. Easily add appointments, to-do lists, and recurring events. Enjoy a minimalist approach to tracking tasks and priorities, similar to a paper planner but digital.


Enhance your daily schedule with a feature-rich calendar app. Add visual flair with stickers, create checklists and notes with photos, and access your schedule instantly via a widget. Customize themes, icons, and more to personalize your planning experience.


This intuitive calendar app integrates with all your existing calendars, offering powerful tools for event creation and management. It provides multiple viewing options and offline capabilities, ensuring you never miss an appointment.


This app offers a stylish and personalized way to manage your schedule, tasks, and personal goals. Syncs with major calendar platforms and allows for creative customization of your planner pages, event colors, and fonts. It also includes features for meal planning, water tracking, and productivity tools.