Best 1Calendars Apps

One Calendar

All calendars in ONE place!

Free

Consolidate all your calendars from various providers into a single, easy-to-read view. Manage appointments, events, and birthdays efficiently across all your devices. Offers a clean interface for seamless organization.

Kalenda – All Your Calendars

Every account. One calendar.

Free

Consolidate all your calendars into a single, unified view. Avoid double-booking by checking for conflicts across all connected accounts. Send invitations from the correct identity and manage tasks with customizable lists and reminders.

Calendar Op.2: Planner & Diary

Aesthetic & Minimalist Design

Free

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.

BusyBee: Share/Link Calendars

Connect and Share Calendars :)

Free

Effortlessly coordinate schedules with friends, family, or colleagues. This app connects your Apple and Google calendars to quickly show shared availability, simplifying event planning and group projects. Spend less time organizing and more time doing.

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.

Production Calendars

Track deadlines and tasks

Free

This app helps manage production schedules by tracking events, deadlines, and tasks for different departments. It facilitates real-time collaboration and integrates with other production tools to keep everything synchronized.

CalendarDC 2026

Manage reminder, note, widget

Free

This application helps you organize your schedule by viewing events and tasks on calendars, setting reminders, and managing your to-do list effectively. It offers email and phone notifications, lock screen widgets, and synchronization with a desktop version for seamless time management across devices.

Sports Schedules & Holidays

Add to Calendar. Auto-updated.

Free

Automatically syncs sports schedules, holidays, TV shows, weather, and company events to your calendar. Stay updated on changes and never miss an important date again. Integrates with existing calendar apps.

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 · Planner & Reminders

Tasks, Agenda & To Do List AI

Free

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.

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.

Morgen Calendar & Planner

Calendars & Tasks in one app

Free

Consolidate all your calendars and tasks into one app. Schedule meetings, track to-dos, share availability, and join virtual calls on the go. This mobile companion syncs with your desktop productivity tools.

Calendar Planner - Agenda App

Plan Your Day, Week & Life

Free

This app helps you organize your schedule and manage tasks with smart calendar views, to-do lists, and event reminders. It offers seamless integration with existing calendars and personalization options to suit your planning style.