Last updated: June 6, 2026
| Operator | MASA Lab |
|---|---|
| Service Name | CalendarGuard |
| Contact | support@calendarguard.net |
Through Google account authentication (OAuth) and through your use of the Service, we collect the following information.
| Google account information | Name, email address, and Google account identifier |
|---|---|
| Calendar information | Event information of the Google calendars you select for monitoring (title, start/end date and time, location, description, organizer, etc.) |
| Authentication tokens | Access tokens and refresh tokens used to access the Google Calendar API |
| Deletion logs | Records of event deletions detected by the Service |
| Billing information | Subscription status and plan type for paid plans (credit card information is not collected or stored by us; it is managed by the payment processor described below) |
We use the collected information for the following purposes.
The Service reads the event information of the Google calendars you select for monitoring, solely for the purpose of detecting event deletions. We do not create, edit, or delete any events. The event information we read is used only for the comparison processing required to detect deletions and for deletion notifications and log display.
In providing the Service, we use the following external services and may share information with them to the extent necessary to achieve the purposes of use.
| Google LLC | Retrieval of calendar information and authentication (Google Calendar API / OAuth) |
|---|---|
| Render | Hosting of the Service's servers and storage of data |
| Twilio SendGrid | Sending of deletion notification emails |
| Stripe | Payment processing for paid plans (credit card information is managed by Stripe) |
The Service's use and transfer of information received from Google APIs to any other app will adhere to the Google API Services User Data Policy, including the Limited Use requirements.
Except in the following cases, we will not provide collected personal information to third parties without the consent of the individual.
We retain the collected information for the period necessary to provide the Service. If you delete your account or revoke the connection with your Google account, we will promptly delete the information we hold about you. We also respond to deletion requests made through inquiries.
We take necessary and appropriate measures to prevent the leakage, loss, or damage of the collected information and to otherwise manage it securely. Confidential information such as authentication tokens is managed appropriately, and communications are protected by encryption (HTTPS).
You may request the disclosure, correction, suspension of use, or deletion of your personal information that we hold. To make a request, please contact us at the address below. You may also revoke the Service's access permissions at any time from your Google account's security settings.
We may change this Policy as necessary. If we make material changes, we will announce them on the Service or on this page. The revised Policy takes effect when posted on this page.