One Calendar
Code Spark
About this app
- Category Productivity
- Age 10
- Updated Aug 11, 2025
- OS IOS / Android
Editor reviews
One Calendar is a streamlined calendar and schedule planner designed for high‑efficiency productivity. Bring all your schedules into one place by syncing Google, Outlook, iCloud, Exchange, and local calendars for a unified view. Switch effortlessly between day, week, month, and agenda views, color code calendars and events, and set smart reminders so you never miss a meeting or deadline. With fast event creation, powerful search, time zone support, and shareable calendars, it fits personal planning and team coordination alike. Lightweight, privacy‑minded, and built for busy professionals and students, this calendar app helps you plan, focus, and get more done. Ideal keywords: calendar app, productivity, schedule planner, reminders, time management, shared calendars, cross‑device sync, calendar widget.
Screenshots
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How to use:
1. Download and open One Calendar, then allow notifications for timely reminders.
2. Connect your calendar accounts such as Google, Outlook, iCloud, or Exchange and grant sync permissions.
3. Choose your default view (day, week, month, agenda) and customize colors, working hours, and notification settings.
4. Create your first event by tapping the add button, then set title, date and time, location, reminders, recurrence, and invite participants.
5. Explore advanced tools such as managing multiple calendars, sharing a calendar, searching events, adding a home screen widget, and adjusting time zone preferences for travel.