
Everest
7.1#99 in calendar appsFrom $20 a monthFree planWebAPI
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| Fact | Everest | Teamup |
|---|---|---|
| Calendar sync | Everest reads availability across connected Google and Outlook calendars and mirrors commitments as private busy blocks without sharing event titles or details. | iCalendar feeds can bring Google Calendar, Outlook, or Apple iCal calendars into Teamup or display Teamup calendars in those services. |
| Free plan | Yes | Yes |
| Headquarters | Newark, Delaware, USA | Zurich, Switzerland |
| Integrations | The maker lists Google and Microsoft/Outlook calendar integrations, and Telegram for scheduling by text on the Assistant plan. | Official integrations include API, iCalendar, Slack, Microsoft Teams, Trello, Zapier, OttoKit, CompanyCam and website embeds. |
You want what its maker publishes above — check its page for the details.
It suits businesses and teams coordinating shared schedules, resources, or operations, from room bookings to field-crew job schedules. The free plan is sized for up to five users and five sub-calendars.