About Calendar.online
Calendar.online is a German-based online calendar service designed for teams, families, and organizations to organize, plan, and share events via shareable access links. It offers granular permissions per sub-calendar, color-coded sub-calendars, and reminders by email or SMS, plus a booking function for appointments. The service runs on GDPR-compliant servers located in Germany and emphasizes data minimization with no ads.
Key features
- Shareable access links with per-link permissions and optional password protection
- Sub-calendars with color-coding and per-link readability/writability controls
- Reminders via email or SMS, with daily/weekly agendas and event notifications
- Booking function to schedule appointments with automatic free-time filtering
- Multi-device support (Android, iOS, MacOS; desktop/phone/tablet)
- Integration into websites with embed code and a WordPress plugin
- Import/export with Outlook/Google/Apple calendars via ICS and iCal feeds
- Printing/PDF export, Excel export (Premium)
- API interface and advanced features in Premium (invite participants, registration)
- No ads; GDPR-compliant hosting in Germany; high availability; easy login-free access via links
Why choose Calendar.online?
- GDPR compliant with servers in Germany and data minimization; no data sold
- Easy access without login via shareable links, enabling cross-device collaboration
- Flexible rights management and sub-calendar structure for teams and organizations
- Free basic tier with paid options, plus powerful features like API access and branding control
- Mobile apps and website integration support for seamless scheduling and coordination
Pricing
- Basic: 0.00 (free forever) – Up to 6 sub-calendars; up to 3 access links; unlimited users; comprehensive rights management; printing / PDF export; event import/export; one-day import interval; 1 booking product/link; website integration; Android/iOS apps; time zone support; one year of historical data
- Plus: 6.90 USD per calendar per month (incl. VAT) – All Basic features; up to 20 sub-calendars; up to 10 access links; password protection; e-mail reminders; notifications; daily agenda; individual access links; import interval 3 hours; 5 booking products/links; five years of historical data; cancel anytime; 5.52 USD/month for annual payment
- Premium: 19.90 USD per calendar per month (incl. VAT) – All Basic and Plus features; unlimited sub-calendars; unlimited access links; attach files to events; export to Excel; automatic refresh; import interval 15 minutes; unlimited booking products/links; SMS reminders; invite participants to events; registration for events; no Calendar.online branding; custom logo; API interface; unlimited historical data; cancel anytime; 15.92 USD/month for annual payment