DayOtter vs Tuta Calendar

DayOtter is a scheduling and booking tool for the web and Android. It provides booking pages, two-way calendar sync, group events, round-robin scheduling and automated reminders. The Free plan costs nothing and includes an AI scheduling assistant, unlimited event types and booking pages, calendar sync, email reminders and group polls. Pro costs $9 a month, billed monthly, and adds team scheduling, routing forms, automations, booking analytics, SMS reminders and payment collection. A separate Self-hosted plan is listed at free, described as an open-source edition with every Pro feature and Docker and docker-compose. Team booking pages and round-robin routing are listed capabilities. Custom booking domains are not available. DayOtter is headquartered in Bengaluru, Karnataka, India.

Tuta Calendar organizes appointments, business meetings, and repeating tasks across Android, iOS, Linux, macOS, web, and Windows. It supports shared calendars with read-only, read-and-write, or write-and-manage-sharing access. Calendar events, invitations, sharing, and push reminders are described as end-to-end encrypted. Users can send and receive invitations, including password-protected encrypted invitations to external users. Imported calendars sync automatically across devices, while the listed calendar sync type is one-way. Tuta says reminders are hidden from the phone operating system and can arrive offline. The calendar is integrated with Tuta email and contacts. Security features include two-factor authentication; Tuta also describes its clients as open source and its calendar as using zero-knowledge architecture. The Free plan includes one calendar. Revolutionary costs €3 a month, billed monthly, and Legend costs €8 a month, billed monthly; both include unlimited calendars. Tuta is made by Tutao GmbH, based in Hannover, Germany, and founded in 2011.