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Contact Celindar

How to contact Idion about Celindar.

Last updated September 21, 2026

Support

For help using Celindar, email [email protected] and include the app version, iOS version, device model, and feature involved. Do not send calendar titles, OAuth tokens, or private backups unless we specifically ask and you understand why.

Privacy

For questions about Celindar data or privacy rights, email [email protected]. Explain whether your request concerns local app data, a Google connection, or information you voluntarily sent to support.

Security

To report a security problem, email [email protected] with enough detail to reproduce it. We will acknowledge good-faith reports and ask that you do not exploit a vulnerability.

Response time

We aim to respond within a few business days. Where law sets a deadline for a request, we respond within that deadline.

Languages

We can help in English, Spanish, and Catalan.