Best 1Calendars Apps

One Calendar

All calendars in ONE place!

Free

Consolidate all your digital calendars into a single, easy-to-read view. Manage appointments, events, and birthdays from various providers like Google, Outlook, iCloud, and more, all within one application.

SimpleCal: Simple Calendar

Fast, Easy Schedule Planner

Free

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.

Production Calendars

Track deadlines and tasks

Free

Manage production schedules, deadlines, and tasks for various departments. Collaborate with teams in real-time and sync with external lists to keep projects on track.

Saturn Calendar

Manage and share your time

Free

This app is designed for students to manage complex school schedules, including rotating periods and group events. It simplifies planning with friends and classmates, allowing users to share schedules and coordinate activities easily. Stay organized for high school and college with features tailored to student life.

Teamup Calendar

The Shared Calendar for Groups

Free

This app facilitates efficient information sharing and task completion for groups through a shared calendar. It allows for organizing people, scheduling work, managing availability, and securely sharing events with teams or external parties.

Calendar

by Apple

Free

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.

Google Calendar: Get Organized

Easily plan & schedule

Free

This official app helps you manage your schedule and stay organized. It automatically adds events from Gmail, syncs across devices, and allows for shared calendars. You can also create tasks, customize views, and integrate with Google Meet for collaboration.

FirstSeed Calendar

Calendars and widgets

Free

A powerful scheduling app that manages both events and reminders. It offers innovative calendar views, interactive widgets for various iOS versions, and seamless syncing with Apple's Calendar and Reminders apps. An optional paid upgrade unlocks advanced features like natural language event processing and drag-and-drop functionality.

OneCal: Unified Calendar

All your calendars in one app

Free

Consolidate all your Google Calendar, Outlook, and iCloud events into a single, intuitive interface. Manage your schedule, create events, and share booking links effortlessly. Sync calendars in real-time for seamless team collaboration and to avoid double-bookings.

Morgen Calendar & Planner

Calendars & Tasks in one app

Free

This app consolidates your calendars and tasks into a single, powerful productivity tool. Schedule meetings, manage to-dos, share your availability, and join virtual calls seamlessly, all from your mobile device. It syncs with your existing calendars and task managers for a unified workflow.

Custom Holiday Calendar

Create Your Own Holidays

Free

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.