Privacy
Callendar reads your calendar so it can call you. Here is exactly what that means. Last updated 26 September 2026.
What we store
- Google account: your email address, your first name, and a refresh token that lets us read your calendar. The token is stored encrypted; the key never leaves our server.
- Calendars: the names and ids of your calendars and which ones you switched on.
- Events: we read the next two hours of your calendar every minute. Event titles are used to speak the call and to show your upcoming calls in the app. The title of an event we called you about is kept in your call log; other events are not stored.
- Phone number: the number you verified, so we can call it.
- Subscription: your plan, its expiry date and Apple's transaction id. We never see your payment details; Apple handles them.
- Settings: lead time, time zone, pause state, and the date and time you last opened the app.
Who sees it
Nobody but the service. We do not sell, rent or share your data. Calls are placed through Twilio, which receives your phone number and the spoken text of each call. Data lives on Cloudflare's infrastructure.
Google data
Callendar's use of information received from Google APIs follows the Google API Services User Data Policy, including the Limited Use requirements. Google grants Callendar its calendar scope, which technically allows changes, but Callendar only ever reads: it never creates, edits or deletes events, and uses your calendar for the single purpose of calling you before events.
Deleting your data
Settings, then Delete account. That removes your account, your token, your calendars and your call log at once. Disconnecting Google alone removes the token and the calendar list. You can also revoke Callendar at myaccount.google.com/permissions.