1calendar

1calendar offers a calendar application designed to consolidate multiple calendar services into a single, unified view. The platform operates on a freemium business model, providing a core set of features for free while offering advanced functionalities through a premium subscription available as an in-app purchase. It caters to a broad user base, from individual consumers to professionals, by supporting integration with a wide array of calendar providers, including Google, Outlook, iCloud, Exchange, and Office365, among others.

The application is available across multiple operating systems, including Android, iOS, macOS, and Windows. Core functionalities allow users to view and manage appointments, events, and birthdays from all connected accounts in one place. The interface provides various viewing options such as list, day, week, month, and year. Users can manage and share appointments, create recurring events, receive notifications, and invite others to events. The app also functions offline.

The premium version unlocks additional features such as customizable appointment and calendar colors, an extended history view, immediate synchronization, theming options, and appointment search capabilities. Other premium benefits include printing, route and navigation integration, and the use of favorite emojis. The free version is ad-free. The company reports over 5 million downloads and has received positive user reviews for its synchronization capabilities across different platforms. Keywords: calendar aggregation, cross-platform calendar, unified calendar, appointment management, event synchronization, freemium application, multi-account calendar, productivity app, calendar integration, personal organization